TESTBED: Merge gsoc2010-testbed branch

svn-id: r52681

base/plugins.cpp

@@ -157,6 +157,9 @@ public:
 		#if PLUGIN_ENABLED_STATIC(TEENAGENT)
 		LINK_PLUGIN(TEENAGENT)
 		#endif
+		#if PLUGIN_ENABLED_STATIC(TESTBED)
+		LINK_PLUGIN(TESTBED)
+		#endif
 		#if PLUGIN_ENABLED_STATIC(TINSEL)
 		LINK_PLUGIN(TINSEL)
 		#endif

configure

@@ -106,6 +106,7 @@ add_engine sky "Beneath a Steel Sky" yes
 add_engine sword1 "Broken Sword" yes
 add_engine sword2 "Broken Sword II" yes
 add_engine teenagent "Teen Agent" yes
+add_engine testbed "TestBed: the Testing framework" no
 add_engine tinsel "Tinsel" yes
 add_engine touche "Touche: The Adventures of the Fifth Musketeer" yes
 add_engine tucker "Bud Tucker in Double Trouble" yes

dists/engine-data/create-testbed-data.sh

@@ -0,0 +1,52 @@
+#!/bin/sh
+
+# Create the directory structure
+# Avoided bash shortcuts / file-seperators in interest of portability
+
+if [ -e testbed ]; then
+	echo "Game-data already present as testbed/"
+	echo "To regenerate, remove and rerun"
+	exit 0
+fi
+
+mkdir testbed
+
+cd testbed
+
+# For game detection
+echo "ScummVM rocks!" > TESTBED
+
+mkdir test1
+mkdir Test2
+mkdir TEST3
+mkdir tEST4
+mkdir test5
+
+
+cd test1
+echo "It works!" > file.txt
+cd ..
+
+cd Test2
+echo "It works!" > File.txt
+cd ..
+
+cd TEST3
+echo "It works!" > FILE.txt
+cd ..
+
+cd tEST4
+echo "It works!" > fILe.txt
+cd ..
+
+cd test5
+echo "It works!" > file.
+cd ..
+
+# back to the top
+cd ..
+
+# move the audiocd data to newly created directory
+cp -r testbed-audiocd-files testbed/audiocd-files
+
+echo "Game data created"

engines/engines.mk

@@ -141,6 +141,11 @@ DEFINES += -DENABLE_SWORD2=$(ENABLE_SWORD2)
 MODULES += engines/sword2
 endif
 
+ifdef ENABLE_TESTBED
+DEFINES += -DENABLE_TESTBED=$(ENABLE_TESTBED)
+MODULES += engines/testbed
+endif
+
 ifdef ENABLE_TEENAGENT
 DEFINES += -DENABLE_TEENAGENT=$(ENABLE_TEENAGENT)
 MODULES += engines/teenagent

engines/testbed/config.cpp

@@ -0,0 +1,292 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ */
+
+#include "common/fs.h"
+#include "common/stream.h"
+#include "common/config-manager.h"
+#include "engines/engine.h"
+#include "testbed/config.h"
+
+namespace Testbed {
+
+TestbedOptionsDialog::TestbedOptionsDialog(Common::Array<Testsuite *> &tsList, TestbedConfigManager *tsConfMan) : GUI::Dialog("Browser"), _testbedConfMan(tsConfMan) {
+	
+	new GUI::StaticTextWidget(this, "Browser.Headline", "Select Testsuites to Execute");
+	new GUI::StaticTextWidget(this, "Browser.Path", "Use Doubleclick to select/deselect");
+
+	// Construct a String Array
+	Common::Array<Testsuite *>::const_iterator iter;
+	Common::String description;
+	uint selected = 0;
+
+	for (iter = tsList.begin(); iter != tsList.end(); iter++) {
+		_testSuiteArray.push_back(*iter);
+		description = (*iter)->getDescription();
+		if ((*iter)->isEnabled()) {
+			_testSuiteDescArray.push_back(description + "(selected)");
+			selected++;
+			_colors.push_back(GUI::ThemeEngine::kFontColorNormal);
+		} else {
+			_testSuiteDescArray.push_back(description);
+			_colors.push_back(GUI::ThemeEngine::kFontColorAlternate);
+		}
+	}
+	
+	_testListDisplay = new TestbedListWidget(this, "Browser.List", _testSuiteArray);
+	_testListDisplay->setNumberingMode(GUI::kListNumberingOff);
+	_testListDisplay->setList(_testSuiteDescArray, &_colors);
+
+	// This list shouldn't be editable
+	_testListDisplay->setEditable(false);
+
+	if (selected > (tsList.size() - selected)) {
+		_selectButton = new GUI::ButtonWidget(this, "Browser.Up", "Deselect All", 0, kTestbedDeselectAll, 0);
+	} else {
+		_selectButton = new GUI::ButtonWidget(this, "Browser.Up", "Select All", 0, kTestbedSelectAll, 0);
+	}
+	new GUI::ButtonWidget(this, "Browser.Cancel", "Run tests", 0, GUI::kCloseCmd);
+	new GUI::ButtonWidget(this, "Browser.Choose", "Exit Testbed", 0, kTestbedQuitCmd);
+}
+
+TestbedOptionsDialog::~TestbedOptionsDialog() {}
+
+void TestbedOptionsDialog::handleCommand(GUI::CommandSender *sender, uint32 cmd, uint32 data) {
+	Testsuite *ts;
+	Common::WriteStream *ws;
+	switch (cmd) {
+	case GUI::kListItemDoubleClickedCmd:
+		ts  = _testSuiteArray[_testListDisplay->getSelected()];
+		if (ts) {
+			if (ts->isEnabled()) {
+				ts->enable(false);
+				_testListDisplay->markAsDeselected(_testListDisplay->getSelected());
+			} else {
+				ts->enable(true);
+				_testListDisplay->markAsSelected(_testListDisplay->getSelected());
+			}
+		}
+		break;
+
+	case kTestbedQuitCmd:
+		Engine::quitGame();
+		close();
+		break;
+
+	case kTestbedDeselectAll:
+		_selectButton->setLabel("Select All");
+		_selectButton->setCmd(kTestbedSelectAll);
+		for (uint i = 0; i < _testSuiteArray.size(); i++) {
+			_testListDisplay->markAsDeselected(i);
+			ts  = _testSuiteArray[i];
+			if (ts) {
+				ts->enable(false);
+			}
+		}
+		break;
+
+	case kTestbedSelectAll:
+		_selectButton->setLabel("Deselect All");
+		_selectButton->setCmd(kTestbedDeselectAll);
+		for (uint i = 0; i < _testSuiteArray.size(); i++) {
+			_testListDisplay->markAsSelected(i);
+			ts  = _testSuiteArray[i];
+			if (ts) {
+				ts->enable(true);
+			}
+		}
+		break;
+	case GUI::kCloseCmd:
+		// This is final selected state, write it to config file.
+		ws = _testbedConfMan->getConfigWriteStream();
+		_testbedConfMan->writeTestbedConfigToStream(ws);
+		delete ws;
+	default:
+		GUI::Dialog::handleCommand(sender, cmd, data);
+	
+	}
+}
+
+void TestbedInteractionDialog::addText(uint w, uint h, const Common::String text, Graphics::TextAlign textAlign, uint xOffset, uint yPadding) {
+	if (!xOffset) {
+		xOffset = _xOffset;
+	}
+	_yOffset += yPadding;
+	new GUI::StaticTextWidget(this, xOffset, _yOffset, w, h, text, textAlign);
+	_yOffset += h;
+}
+
+void TestbedInteractionDialog::addButton(uint w, uint h, const Common::String name, uint32 cmd, uint xOffset, uint yPadding) {
+	if (!xOffset) {
+		xOffset = _xOffset;
+	}
+	_yOffset += yPadding;
+	_buttonArray.push_back(new GUI::ButtonWidget(this, xOffset, _yOffset, w, h, name, 0, cmd));
+	_yOffset += h;
+}
+
+void TestbedInteractionDialog::addList(uint x, uint y, uint w, uint h, Common::Array<Common::String> &strArray, uint yPadding) {
+	_yOffset += yPadding;
+	GUI::ListWidget *list = new GUI::ListWidget(this, x, y, w, h);
+	list->setEditable(false);
+	list->setNumberingMode(GUI::kListNumberingOff);
+	list->setList(strArray);
+	_yOffset += h;
+}
+
+void TestbedInteractionDialog::addButtonXY(uint x, uint y, uint w, uint h, const Common::String name, uint32 cmd) {	
+	_buttonArray.push_back(new GUI::ButtonWidget(this, x, _yOffset, w, h, name, 0, cmd));
+}
+
+void TestbedInteractionDialog::handleCommand(GUI::CommandSender *sender, uint32 cmd, uint32 data) {
+	switch (cmd) {
+	default:
+		GUI::Dialog::handleCommand(sender, cmd, data);
+	}
+}
+
+void TestbedConfigManager::initDefaultConfiguration() {
+	// Default Configuration
+	// Add Global configuration Parameters here.
+	_configFileInterface.setKey("isSessionInteractive", "Global", "true");
+}
+
+void TestbedConfigManager::writeTestbedConfigToStream(Common::WriteStream *ws) {
+	Common::String wStr;
+	for (Common::Array<Testsuite *>::const_iterator i = _testsuiteList.begin(); i < _testsuiteList.end(); i++) {
+		_configFileInterface.setKey("this", (*i)->getName(), boolToString((*i)->isEnabled()));
+		const Common::Array<Test *> &testList = (*i)->getTestList();
+		for (Common::Array<Test *>::const_iterator j = testList.begin(); j != testList.end(); j++) {
+			_configFileInterface.setKey((*j)->featureName, (*i)->getName(), boolToString((*j)->enabled));
+		}
+	}
+	_configFileInterface.saveToStream(*ws);
+	_configFileInterface.clear();
+	ws->flush();
+}
+
+Common::SeekableReadStream *TestbedConfigManager::getConfigReadStream() {
+	// Look for config file in game-path
+	const Common::String &path = ConfMan.get("path");
+	Common::FSDirectory gameRoot(path);
+	Common::SeekableReadStream *rs = gameRoot.createReadStreamForMember(_configFileName);
+	return rs;
+}
+
+Common::WriteStream *TestbedConfigManager::getConfigWriteStream() {
+	// Look for config file in game-path
+	const Common::String &path = ConfMan.get("path");
+	Common::WriteStream *ws;
+	Common::FSNode gameRoot(path);
+	Common::FSNode config = gameRoot.getChild(_configFileName);
+	ws = config.createWriteStream();
+	return ws;
+}
+
+void TestbedConfigManager::parseConfigFile() {	
+	Common::SeekableReadStream *rs = getConfigReadStream();
+	
+	if (!rs) {
+		Testsuite::logPrintf("Info! No config file found, using default configuration.\n");
+		initDefaultConfiguration();
+		return;
+	}
+	_configFileInterface.loadFromStream(*rs);
+	Common::ConfigFile::SectionList sections = _configFileInterface.getSections();
+	Testsuite *currTS = 0;
+
+	for (Common::ConfigFile::SectionList::const_iterator i = sections.begin(); i != sections.end(); i++) {
+		if (i->name.equalsIgnoreCase("Global")) {
+			// Global params may be directly queried, ignore them	
+		} else {
+			// A testsuite, process it.
+			currTS = getTestsuiteByName(i->name);
+			Common::ConfigFile::SectionKeyList kList = i->getKeys();
+			if (!currTS) {
+				Testsuite::logPrintf("Warning! Error in config: Testsuite %s not found\n", i->name.c_str());
+			}
+
+			for (Common::ConfigFile::SectionKeyList::const_iterator j = kList.begin(); j != kList.end(); j++) {
+				if (j->key.equalsIgnoreCase("this")) {
+					currTS->enable(stringToBool(j->value));
+				} else {
+					if (!currTS->enableTest(j->key, stringToBool(j->value))) {
+						Testsuite::logPrintf("Warning! Error in config: Test %s not found\n", j->key.c_str());
+					}
+				}
+			}
+		}
+	}
+	delete rs;
+}
+
+int TestbedConfigManager::getNumSuitesEnabled() {
+	int count = 0;
+	for (uint i = 0; i < _testsuiteList.size(); i++) {
+        if (_testsuiteList[i]->isEnabled()) {
+        	count++;
+		}
+    }
+    return count;
+}
+
+Testsuite *TestbedConfigManager::getTestsuiteByName(const Common::String &name) {
+	for (uint i = 0; i < _testsuiteList.size(); i++) {
+		if (name.equalsIgnoreCase(_testsuiteList[i]->getName())) {
+			return _testsuiteList[i];
+		}
+	}
+	return 0;
+}
+
+void TestbedConfigManager::selectTestsuites() {
+
+	parseConfigFile();
+	
+	if (_configFileInterface.hasKey("isSessionInteractive", "Global")) {
+		Common::String in;
+		_configFileInterface.getKey("isSessionInteractive", "Global", in);
+		Testsuite::isSessionInteractive = stringToBool(in);
+	}
+
+	if (!Testsuite::isSessionInteractive) {
+		// Non interactive sessions don't need to go beyond
+		return;
+	}
+
+	// XXX: disabling these as of now for fastly testing other tests
+	// Testsuite::isSessionInteractive = false;
+	Common::String prompt("Welcome to the ScummVM testbed!\n"
+						"It is a framework to test the various ScummVM subsystems namely GFX, Sound, FS, events etc.\n"
+						"If you see this, it means interactive tests would run on this system :)");
+
+	Testsuite::logPrintf("Info! : Interactive tests are also being executed.\n");
+	
+	if (Testsuite::handleInteractiveInput(prompt, "Proceed?", "Customize", kOptionRight)) {
+		// Select testsuites using checkboxes
+		TestbedOptionsDialog tbd(_testsuiteList, this);
+		tbd.runModal();
+	}
+}
+
+}	// End of namespace Testbed

engines/testbed/config.h

@@ -0,0 +1,135 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ */
+
+#ifndef TESTBED_CONFIG_H
+#define TESTBED_CONFIG_H
+
+
+#include "common/array.h"
+#include "common/config-file.h"
+#include "common/str-array.h"
+#include "common/tokenizer.h"
+
+#include "gui/ListWidget.h"
+#include "gui/options.h"
+#include "gui/ThemeEngine.h"
+
+#include "testbed/testsuite.h"
+
+namespace Testbed {
+
+enum {
+	kTestbedQuitCmd = 'Quit',
+	kTestbedSelectAll = 'sAll',
+	kTestbedDeselectAll = 'dAll'
+};
+
+
+
+class TestbedConfigManager {
+public:
+	TestbedConfigManager(Common::Array<Testsuite *> &tList, const Common::String fName) : _testsuiteList(tList), _configFileName(fName) {}
+	~TestbedConfigManager() {}
+	void selectTestsuites();
+	void setConfigFile(const Common::String fName) { _configFileName = fName; }
+	Common::SeekableReadStream *getConfigReadStream();
+	Common::WriteStream *getConfigWriteStream();
+	void writeTestbedConfigToStream(Common::WriteStream *ws);
+	Testsuite *getTestsuiteByName(const Common::String &name);
+	bool stringToBool(const Common::String str) { return str.equalsIgnoreCase("true") ? true : false; }
+	Common::String boolToString(bool val) { return val ? "true" : "false"; }
+	void initDefaultConfiguration();
+	int getNumSuitesEnabled();
+
+private:
+	Common::Array<Testsuite *> &_testsuiteList;
+	Common::String	_configFileName;
+	Common::ConfigFile	_configFileInterface;
+	void parseConfigFile();
+};
+
+class TestbedListWidget : public GUI::ListWidget {
+public:
+	TestbedListWidget(GUI::Dialog *boss, const Common::String &name, Common::Array<Testsuite *> tsArray) : GUI::ListWidget(boss, name), _testSuiteArray(tsArray) {}
+
+	void markAsSelected(int i) {
+		if (!_list[i].contains("selected")) {
+			_list[i] += " (selected)";
+		}
+		_listColors[i] = GUI::ThemeEngine::kFontColorNormal;
+		draw();
+	}
+	
+	void markAsDeselected(int i) {
+		if (_list[i].contains("selected")) {
+			_list[i] = _testSuiteArray[i]->getDescription();
+		}
+		_listColors[i] = GUI::ThemeEngine::kFontColorAlternate;
+		draw();
+	}
+	
+	void setColor(uint32 indx, GUI::ThemeEngine::FontColor color) {
+		assert(indx < _listColors.size());
+		_listColors[indx] = color;
+		draw();
+	}
+
+private:
+	Common::Array<Testsuite *>	_testSuiteArray;
+};
+
+class TestbedOptionsDialog : public GUI::Dialog {
+public:
+	TestbedOptionsDialog(Common::Array<Testsuite *> &tsList, TestbedConfigManager *tsConfMan);
+	~TestbedOptionsDialog();
+	void handleCommand(GUI::CommandSender *sender, uint32 cmd, uint32 data);
+
+private:
+	GUI::ListWidget::ColorList _colors;
+	GUI::ButtonWidget	*_selectButton;
+	Common::Array<Testsuite *> _testSuiteArray;
+	Common::StringArray _testSuiteDescArray;
+	TestbedListWidget *_testListDisplay;
+	TestbedConfigManager *_testbedConfMan;
+};
+
+class TestbedInteractionDialog : public GUI::Dialog {
+public:
+	TestbedInteractionDialog(uint x, uint y, uint w, uint h) : GUI::Dialog(x, y, w, h) {}
+	~TestbedInteractionDialog() {}
+	virtual void handleCommand(GUI::CommandSender *sender, uint32 cmd, uint32 data);
+	void addButton(uint w, uint h, const Common::String name, uint32 cmd, uint xOffset = 0, uint yPadding = 8);
+	void addButtonXY(uint x, uint y, uint w, uint h, const Common::String name, uint32 cmd);
+	void addText(uint w, uint h, const Common::String text, Graphics::TextAlign textAlign, uint xOffset, uint yPadding = 8);
+	void addList(uint x, uint y, uint w, uint h, Common::Array<Common::String> &strArray, uint yPadding = 8);
+protected:
+	Common::Array<GUI::ButtonWidget *> _buttonArray;
+	uint _xOffset;
+	uint _yOffset;
+
+};
+
+} // End of namespace Testbed
+
+#endif // TESTBED_CONFIG_H

engines/testbed/detection.cpp

@@ -0,0 +1,92 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#include "common/config-manager.h"
+#include "engines/advancedDetector.h"
+#include "common/system.h"
+#include "common/fs.h"
+
+#include "base/plugins.h"
+
+#include "testbed/testbed.h"
+
+static const PlainGameDescriptor testbed_setting[] = {
+	{ "testbed", "Testbed: The backend testing framework" },
+	{ 0, 0 }
+};
+
+static const ADGameDescription testbedDescriptions[] = {
+	{
+		"testbed",
+		"",
+		AD_ENTRY1(NULL, 0),	// No data files required
+		Common::EN_ANY,
+		Common::kPlatformPC,
+		ADGF_NO_FLAGS,
+		Common::GUIO_NONE
+	},
+	AD_TABLE_END_MARKER
+};
+
+static const ADParams detectionParams = {
+	(const byte *)testbedDescriptions,
+	sizeof(ADGameDescription),
+	512,
+	testbed_setting,
+	0,
+	"testbed",
+	0,
+	ADGF_NO_FLAGS,
+	Common::GUIO_NONE,
+	1,
+	0
+};
+
+class TestbedMetaEngine : public AdvancedMetaEngine {
+public:
+	TestbedMetaEngine() : AdvancedMetaEngine(detectionParams) {
+	}
+
+	virtual const char *getName() const {
+		return "TestBed: The backend testing framework";
+	}
+
+	virtual const char *getOriginalCopyright() const {
+		return "Copyright (C) ScummVM";
+	}
+
+	virtual bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const {
+		// Instantiate Engine even if the game data is not found.
+		*engine = new Testbed::TestbedEngine(syst);
+		return true;
+	}
+
+};
+
+#if PLUGIN_ENABLED_DYNAMIC(TESTBED)
+	REGISTER_PLUGIN_DYNAMIC(TESTBED, PLUGIN_TYPE_ENGINE, TestbedMetaEngine);
+#else
+	REGISTER_PLUGIN_STATIC(TESTBED, PLUGIN_TYPE_ENGINE, TestbedMetaEngine);
+#endif

engines/testbed/events.cpp

@@ -0,0 +1,294 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ */
+
+#include "common/events.h"
+#include "common/keyboard.h"
+
+#include "engines/engine.h"
+
+#include "graphics/cursorman.h"
+
+#include "testbed/events.h"
+#include "testbed/graphics.h"
+
+namespace Testbed {
+
+struct keycodeToChar {
+	Common::KeyCode code;
+	char value;
+} keyCodeLUT[] = {
+	{Common::KEYCODE_a, 'a'},
+	{Common::KEYCODE_b, 'b'},
+	{Common::KEYCODE_c, 'c'},
+	{Common::KEYCODE_d, 'd'},
+	{Common::KEYCODE_e, 'e'},
+	{Common::KEYCODE_f, 'f'},
+	{Common::KEYCODE_g, 'g'},
+	{Common::KEYCODE_h, 'h'},
+	{Common::KEYCODE_i, 'i'},
+	{Common::KEYCODE_j, 'j'},
+	{Common::KEYCODE_k, 'k'},
+	{Common::KEYCODE_l, 'l'},
+	{Common::KEYCODE_m, 'm'},
+	{Common::KEYCODE_n, 'n'},
+	{Common::KEYCODE_o, 'o'},
+	{Common::KEYCODE_p, 'p'},
+	{Common::KEYCODE_q, 'q'},
+	{Common::KEYCODE_r, 'r'},
+	{Common::KEYCODE_s, 's'},
+	{Common::KEYCODE_t, 't'},
+	{Common::KEYCODE_u, 'u'},
+	{Common::KEYCODE_v, 'v'},
+	{Common::KEYCODE_w, 'w'},
+	{Common::KEYCODE_x, 'x'},
+	{Common::KEYCODE_y, 'y'},
+	{Common::KEYCODE_z, 'z'},
+	{Common::KEYCODE_SPACE, ' '}
+};
+
+char EventTests::keystrokeToChar() {
+	Common::EventManager *eventMan = g_system->getEventManager();
+	bool quitLoop = false;
+	Common::Event event;
+
+	// handle all keybd events
+	while (!quitLoop) {
+		while (eventMan->pollEvent(event)) {
+			// Quit if explicitly requested!
+			if (Engine::shouldQuit()) {
+				return 0;
+			}
+
+			switch (event.type) {
+			case Common::EVENT_KEYDOWN:
+				if (event.kbd.keycode == Common::KEYCODE_ESCAPE) {
+					return 0;
+				}
+				for (int i = 0; i < ARRAYSIZE(keyCodeLUT); i++) {
+					if (event.kbd.keycode == keyCodeLUT[i].code) {
+						return keyCodeLUT[i].value;
+					}
+				}
+				break;
+			default:
+				break;	// Ignore other events
+			}
+		}
+	}
+
+	return 0;
+}
+
+Common::Rect EventTests::drawFinishZone() {
+	Graphics::Surface *screen = g_system->lockScreen();
+	const Graphics::Font &font(*FontMan.getFontByUsage(Graphics::FontManager::kBigGUIFont));
+	int width = 35;
+	int height = 20;
+	int right = g_system->getWidth();
+	Common::Rect rect(0, 0, right, height);
+	Common::Rect rect2(0, 0, right - width, height);
+	screen->fillRect(rect, kColorSpecial);
+	screen->fillRect(rect2, kColorBlack);
+	g_system->unlockScreen();
+	font.drawString(screen, "Close", rect.left, rect.top, screen->w, kColorBlack, Graphics::kTextAlignRight);
+	g_system->updateScreen();
+	return Common::Rect(right - width, 0, right, height);
+}
+
+bool EventTests::mouseEvents() {
+	
+	Testsuite::clearScreen();
+	Common::String info = "Testing Mouse events.\n "
+	"Any movement/click generated by L/R/M mouse buttons or the mouse wheel should be detected.\n"
+	"Press X to exit";
+
+	if (Testsuite::handleInteractiveInput(info, "OK", "Skip", kOptionRight)) {
+		Testsuite::logPrintf("Info! Skipping test : keyboard events\n");
+		return true;
+	}
+	
+	Common::EventManager *eventMan = g_system->getEventManager();
+
+	Common::Point pt(0, 100);
+	Common::Rect rect = Testsuite::writeOnScreen("Generate mouse events make L/R/M button clicks", pt);
+	pt.y = 120;
+	Testsuite::writeOnScreen("Testbed should be able to detect them, Press X to exit", pt);
+
+	// Init Mouse Palette
+	GFXtests::initMousePalette();
+	Common::Rect finishZone = drawFinishZone();
+
+	bool quitLoop = false;
+	bool passed = true;
+	// handle all mouse events
+	Common::Event event;
+	while (!quitLoop) {
+		// Show mouse
+		CursorMan.showMouse(true);
+		g_system->updateScreen();
+
+		while (eventMan->pollEvent(event)) {
+			// Quit if explicitly requested
+			if (Engine::shouldQuit()) {
+				return passed;
+			}
+			switch (event.type) {
+			case Common::EVENT_MOUSEMOVE:
+				// Movements havee already been tested in GFX
+				break;
+			case Common::EVENT_LBUTTONDOWN:
+				Testsuite::clearScreen(rect);
+				Testsuite::writeOnScreen("Mouse left-button pressed", pt);
+				break;
+			case Common::EVENT_RBUTTONDOWN:
+				Testsuite::clearScreen(rect);
+				Testsuite::writeOnScreen("Mouse right-button pressed", pt);
+				break;
+			case Common::EVENT_WHEELDOWN:
+				Testsuite::clearScreen(rect);
+				Testsuite::writeOnScreen("Mouse wheel moved down", pt);
+				break;
+			case Common::EVENT_MBUTTONDOWN:
+				Testsuite::clearScreen(rect);
+				Testsuite::writeOnScreen("Mouse middle-button pressed ", pt);
+				break;
+			case Common::EVENT_LBUTTONUP:
+				Testsuite::clearScreen(rect);
+				if (finishZone.contains(eventMan->getMousePos())) {
+					quitLoop = true;
+				}
+				Testsuite::writeOnScreen("Mouse left-button released", pt);
+				break;
+			case Common::EVENT_RBUTTONUP:
+				Testsuite::clearScreen(rect);
+				Testsuite::writeOnScreen("Mouse right-button released", pt);
+				break;
+			case Common::EVENT_WHEELUP:
+				Testsuite::clearScreen(rect);
+				Testsuite::writeOnScreen("Mouse wheel moved up", pt);
+				break;
+			case Common::EVENT_MBUTTONUP:
+				Testsuite::clearScreen(rect);
+				Testsuite::writeOnScreen("Mouse middle-button released ", pt);
+				break;
+			case Common::EVENT_KEYDOWN:
+				if (event.kbd.keycode == Common::KEYCODE_x) {
+					Testsuite::clearScreen(rect);
+					Testsuite::writeOnScreen("Exit requested", pt);
+					quitLoop = true;
+				}
+				break;
+			default:
+				break;
+			}
+
+		}
+	}
+
+	CursorMan.showMouse(false);
+
+	// Verify results now!
+	if (Testsuite::handleInteractiveInput("Were mouse clicks L/R/M buttons identfied?", "Yes", "No", kOptionRight)) {
+		Testsuite::logDetailedPrintf("Mouse clicks (L/R/M buttons) failed");
+		passed = false;
+	}
+	if (Testsuite::handleInteractiveInput("Were mouse wheel movements identified?", "Yes", "No", kOptionRight)) {
+		Testsuite::logDetailedPrintf("Mouse wheel movements failed");
+		passed = false;
+	}
+
+	return passed;
+}
+
+bool EventTests::kbdEvents() {
+	
+	Testsuite::clearScreen();
+	Common::String info = "Testing keyboard events.\n "
+	"Testbed should be able to figure out any alphanumeric keystrokes made by the user and display them back.\n"
+	"Press ESC key when done of the input.";
+
+	if (Testsuite::handleInteractiveInput(info, "OK", "Skip", kOptionRight)) {
+		Testsuite::logPrintf("Info! Skipping test : keyboard events\n");
+		return true;
+	}
+
+
+	// Make user type some word and display the output on screen
+	Common::String text = "You Entered : ";
+	Common::Point pt(0, 100);
+	Testsuite::clearScreen();
+	Testsuite::writeOnScreen("Enter your word, press ESC when done, it will be echoed back", pt);
+	pt.y += 20;
+	Common::Rect rect = Testsuite::writeOnScreen(text, pt);
+	char letter;
+	while ((letter = keystrokeToChar()) != 0) {
+		Testsuite::clearScreen(rect);
+		text += letter;
+		rect = Testsuite::writeOnScreen(text, pt);
+	}
+
+	bool passed = true;
+
+	if (Testsuite::handleInteractiveInput("Was the word you entered same as that displayed on screen?", "Yes", "No", kOptionRight)) {
+		Testsuite::logDetailedPrintf("Keyboard Events failed");
+		passed = false;
+	}
+
+	Testsuite::clearScreen();
+	return passed;
+}
+
+bool EventTests::showMainMenu() {
+	
+	Testsuite::clearScreen();
+	Common::String info = "Testing Main Menu events.\n "
+	"Main Menu event is normally trigerred by user pressing (Ctrl + f5).\n"
+	"Click 'resume' to continue testbed.";
+
+	if (Testsuite::handleInteractiveInput(info, "OK", "Skip", kOptionRight)) {
+		Testsuite::logPrintf("Info! Skipping test : Main Menu\n");
+		return true;
+	}
+	Common::EventManager *eventMan = g_system->getEventManager();
+	Common::Event mainMenuEvent;
+	mainMenuEvent.type = Common::EVENT_MAINMENU;
+	eventMan->pushEvent(mainMenuEvent);
+
+	bool passed = true;
+
+	if (Testsuite::handleInteractiveInput("Were you able to see a main menu widget?", "Yes", "No", kOptionRight)) {
+		Testsuite::logDetailedPrintf("Event MAINMENU failed");
+		passed = false;
+	}
+
+	return passed;
+}
+
+EventTestSuite::EventTestSuite() {
+	addTest("MouseEvents", &EventTests::mouseEvents);
+	addTest("KeyboardEvents", &EventTests::kbdEvents);
+	addTest("MainmenuEvent", &EventTests::showMainMenu);
+}
+
+} // End of namespace Testbed

engines/testbed/events.h

@@ -0,0 +1,67 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ */
+
+#ifndef TESTBED_EVENTS_H
+#define TESTBED_EVENTS_H
+
+#include "testbed/testsuite.h"
+
+namespace Testbed {
+
+namespace EventTests {
+
+// Helper functions for Event tests
+char keystrokeToChar();
+Common::Rect drawFinishZone();
+// will contain function declarations for Event tests
+bool mouseEvents();
+bool kbdEvents();
+bool showMainMenu();
+// add more here
+
+} // End of namespace EventTests
+
+class EventTestSuite : public Testsuite {
+public:
+	/**
+	 * The constructor for the EventTestSuite
+	 * For every test to be executed one must:
+	 * 1) Create a function that would invoke the test
+	 * 2) Add that test to list by executing addTest()
+	 *
+	 * @see addTest()
+	 */
+	EventTestSuite();
+	~EventTestSuite() {}
+	const char *getName() const {
+		return "Events";
+	}
+	const char *getDescription() const {
+		return "Events : Keyboard/Mouse/RTL";
+	}
+};
+
+} // End of namespace Testbed
+
+#endif // TESTBED_EVENTS_H

engines/testbed/fs.cpp

@@ -0,0 +1,169 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ */
+
+#include "common/config-manager.h"
+#include "common/stream.h"
+#include "common/util.h"
+
+#include "testbed/fs.h"
+
+namespace Testbed {
+
+/**
+ * This test does the following:
+ * 1) acquires the game-data path
+ * 2) In the game-root it navigates to "directory" and opens the file "file"
+ *
+ * The code accesses the appropriate file using the fileSystem API, creates a read stream of it and
+ * compares the message contained in it, with what it expects.
+ *
+ */
+bool FStests::readDataFromFile(Common::FSDirectory *directory, const char *file) {
+
+	Common::SeekableReadStream *readStream = directory->createReadStreamForMember(file);
+
+	if (!readStream) {
+		Testsuite::logDetailedPrintf("Can't open game file for reading\n");
+		return false;
+	}
+
+	Common::String msg = readStream->readLine();
+	delete readStream;
+
+	Testsuite::logDetailedPrintf("Message Extracted from %s/%s : %s\n", directory->getFSNode().getName().c_str(), file, msg.c_str());
+
+	Common::String expectedMsg = "It works!";
+
+	if (!msg.equals(expectedMsg)) {
+		Testsuite::logDetailedPrintf("Can't read Correct data from file\n");
+		return false;
+	}
+
+	return true;
+}
+
+bool FStests::testReadFile() {
+	const Common::String &path = ConfMan.get("path");
+	Common::FSDirectory gameRoot(path);
+	int numFailed = 0;
+
+	if (!gameRoot.getFSNode().isDirectory()) {
+		Testsuite::logDetailedPrintf("game Path should be a directory");
+		return false;
+	}
+
+	const char *dirList[] = {"test1" ,"Test2", "TEST3" , "tEST4", "test5"};
+	const char *file[] = {"file.txt", "File.txt", "FILE.txt", "fILe.txt", "file"};
+
+	for (unsigned int i = 0; i < ARRAYSIZE(dirList); i++) {
+		Common::String dirName = dirList[i];
+		Common::String fileName = file[i];
+		Common::FSDirectory *directory = gameRoot.getSubDirectory(dirName);
+
+		if (!readDataFromFile(directory, fileName.c_str())) {
+			Testsuite::logDetailedPrintf("Reading from %s/%s failed\n", dirName.c_str(), fileName.c_str());
+			numFailed++;
+		}
+
+		dirName.toLowercase();
+		fileName.toLowercase();
+		delete directory;
+		directory = gameRoot.getSubDirectory(dirName);
+
+		if (!readDataFromFile(directory, fileName.c_str())) {
+			Testsuite::logDetailedPrintf("Reading from %s/%s failed\n", dirName.c_str(), fileName.c_str());
+			numFailed++;
+		}
+
+		dirName.toUppercase();
+		fileName.toUppercase();
+		delete directory;
+		directory = gameRoot.getSubDirectory(dirName);
+
+		if (!readDataFromFile(directory, fileName.c_str())) {
+			Testsuite::logDetailedPrintf("Reading from %s/%s failed\n", dirName.c_str(), fileName.c_str());
+			numFailed++;
+		}
+		delete directory;
+	}
+
+	Testsuite::logDetailedPrintf("Failed %d out of 15\n", numFailed);
+	return false;
+}
+
+/**
+ * This test creates a file testbed.out, writes a sample data and confirms if
+ * it is same by reading the file again.
+ */
+bool FStests::testWriteFile() {
+	const Common::String &path = ConfMan.get("path");
+	Common::FSNode gameRoot(path);
+
+	Common::FSNode fileToWrite = gameRoot.getChild("testbed.out");
+
+	Common::WriteStream *ws = fileToWrite.createWriteStream();
+
+	if (!ws) {
+		Testsuite::logDetailedPrintf("Can't open writable file in game data dir\n");
+		return false;
+	}
+
+	ws->writeString("ScummVM Rocks!");
+	ws->flush();
+	delete ws;
+
+	Common::SeekableReadStream *rs = fileToWrite.createReadStream();
+	Common::String readFromFile = rs->readLine();
+	delete rs;
+
+	if (readFromFile.equals("ScummVM Rocks!")) {
+		// All good
+		Testsuite::logDetailedPrintf("Data written and read correctly\n");
+		return true;
+	}
+
+	return false;
+}
+
+
+
+FSTestSuite::FSTestSuite() {
+	addTest("ReadingFile", &FStests::testReadFile, false);
+	addTest("WritingFile", &FStests::testWriteFile, false);
+}
+
+void FSTestSuite::enable(bool flag) {
+	const Common::String &path = ConfMan.get("path");
+	Common::FSNode gameRoot(path);
+
+	Common::FSNode gameIdentificationFile = gameRoot.getChild("TESTBED");
+	if (!gameIdentificationFile.exists()) {
+		logPrintf("WARNING! : Game Data not found. Skipping FS tests\n");
+		Testsuite::enable(false);
+		return;
+	}
+	Testsuite::enable(flag);
+}
+
+} // End of namespace Testbed

engines/testbed/fs.h

@@ -0,0 +1,74 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ */
+
+#ifndef TESTBED_FS_H
+#define TESTBED_FS_H
+
+#include "common/fs.h"
+
+#include "testbed/testsuite.h"
+
+namespace Testbed {
+
+namespace FStests {
+
+// Note: These tests require a game-data directory
+// So would work if game-path is set in the launcher or invoked as ./scummvm --path="path-to-testbed-data" testbed
+// from commandline
+
+// Helper functions for FS tests
+bool readDataFromFile(Common::FSDirectory *directory, const char *file);
+
+// will contain function declarations for FS tests
+bool testReadFile();
+bool testWriteFile();
+bool testOpeningSaveFile();
+// add more here
+
+} // End of namespace FStests
+
+class FSTestSuite : public Testsuite {
+public:
+	/**
+	 * The constructor for the FSTestSuite
+	 * For every test to be executed one must:
+	 * 1) Create a function that would invoke the test
+	 * 2) Add that test to list by executing addTest()
+	 *
+	 * @see addTest()
+	 */
+	FSTestSuite();
+	~FSTestSuite() {}
+	const char *getName() const {
+		return "FS";
+	}
+	const char *getDescription() const {
+		return "File system tests (Navigation, Read/Write)";
+	}
+	void enable(bool flag);
+};
+
+} // End of namespace Testbed
+
+#endif // TESTBED_FS_H

engines/testbed/graphics.h

@@ -0,0 +1,94 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ */
+
+#ifndef TESTBED_GRAPHICS_H
+#define TESTBED_GRAPHICS_H
+
+#include "testbed/testsuite.h"
+
+namespace Testbed {
+
+namespace GFXtests {
+
+// Helper functions for GFX tests
+void drawEllipse(int x, int y, int a, int b);
+void setupMouseLoop(bool disableCursorPalette = false, const char *gfxModeName = "", int cursorTargetScale = 1);
+void initMousePalette();
+Common::Rect computeSize(Common::Rect &cursorRect, int scalingFactor, int cursorTargetScale);
+void HSVtoRGB(int &rComp, int &gComp, int &bComp, int hue, int sat, int val);
+Common::Rect drawCursor(bool cursorPaletteDisabled = false, const char *gfxModeName = "", int cursorTargetScale = 1);
+
+// will contain function declarations for GFX tests
+bool cursorTrails();
+bool fullScreenMode();
+bool aspectRatio();
+bool palettizedCursors();
+bool mouseMovements();
+bool copyRectToScreen();
+bool iconifyWindow();
+bool scaledCursors();
+bool shakingEffect();
+bool focusRectangle();
+bool overlayGraphics();
+bool paletteRotation();
+bool pixelFormats();
+// add more here
+
+} // End of namespace GFXtests
+
+class GFXTestSuite : public Testsuite {
+public:
+	/**
+	 * The constructor for the GFXTestSuite
+	 * For every test to be executed one must:
+	 * 1) Create a function that would invoke the test
+	 * 2) Add that test to list by executing addTest()
+	 *
+	 * @see addTest()
+	 */
+	GFXTestSuite();
+	~GFXTestSuite() {}
+	const char *getName() const {
+		return "GFX";
+	}
+	const char *getDescription() const {
+		return "Graphics Subsystem";
+	}
+	static void setCustomColor(uint r, uint g, uint b);
+
+private:
+	/**
+	 * A Palette consists of 4 components RGBA.
+	 * As of now we only take 3 colors
+	 * 0 (R:0, G:0, B:0) Black (kColorBlack)
+	 * 1 (R:255, G:255, B:255) White (kColorWhite)
+	 * 2 (R:255, G:255, B:255) your customized color (by default white) (kColorCustom)
+	 * The remaining values are zero
+	 */
+	static byte _palette[256 * 4];
+};
+
+} // End of namespace Testbed
+
+#endif // TESTBED_GRAPHICS_H

engines/testbed/misc.cpp

@@ -0,0 +1,172 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ */
+
+#include "testbed/misc.h"
+#include "common/timer.h"
+
+namespace Testbed {
+
+Common::String MiscTests::getHumanReadableFormat(TimeDate &td) {
+	return Common::String::printf("%d:%d:%d on %d/%d/%d (dd/mm/yyyy)", td.tm_hour, td.tm_min, td.tm_sec, td.tm_mday, td.tm_mon + 1, td.tm_year + 1900);
+}
+
+void MiscTests::timerCallback(void *arg) {
+	// Increment arg which actually points to an int
+	// arg must point to a static data, threads otherwise have their own stack
+	int &valToModify = *((int *) arg);
+	valToModify = 999; // some arbitrary value
+}
+
+void MiscTests::criticalSection(void *arg) {
+	SharedVars &sv = *((SharedVars *)arg);
+
+	Testsuite::logDetailedPrintf("Before critical section: %d %d\n", sv.first, sv.second);
+	g_system->lockMutex(sv.mutex);
+
+	// In any case, the two vars must be equal at entry, if mutex works fine.
+	// verify this here.
+	if (sv.first != sv.second) {
+		sv.resultSoFar = false;
+	}
+
+	sv.first++;
+	g_system->delayMillis(1000);
+
+	// This should bring no change as well in the difference between vars
+	// verify this too.
+	if (sv.second + 1 != sv.first) {
+		sv.resultSoFar = false;
+	}
+
+	sv.second *= sv.first;
+	Testsuite::logDetailedPrintf("After critical section: %d %d\n", sv.first, sv.second);
+	g_system->unlockMutex(sv.mutex);
+
+	g_system->getTimerManager()->removeTimerProc(criticalSection);
+}
+
+bool MiscTests::testDateTime() {
+	
+	if (Testsuite::isSessionInteractive) {
+		if (Testsuite::handleInteractiveInput("Testing the date time API implementation", "Continue", "Skip", kOptionRight)) {
+			Testsuite::logPrintf("Info! Date time tests skipped by the user.\n");
+			return true;
+		}
+		
+		Testsuite::writeOnScreen("Verifying Date-Time...", Common::Point(0, 100));
+	}
+	
+	TimeDate t1, t2;
+	g_system->getTimeAndDate(t1);
+	Testsuite::logDetailedPrintf("Current Time and Date: ");
+	Common::String dateTimeNow;
+	dateTimeNow = getHumanReadableFormat(t1);
+
+	if (Testsuite::isSessionInteractive) {
+		// Directly verify date
+		dateTimeNow = "We expect the current date time to be " + dateTimeNow;
+		if (Testsuite::handleInteractiveInput(dateTimeNow, "Correct!", "Wrong", kOptionRight)) {
+			return false;
+		}
+	}
+
+	g_system->getTimeAndDate(t1);
+	dateTimeNow = getHumanReadableFormat(t1);
+	Testsuite::logDetailedPrintf("%s\n", dateTimeNow.c_str());
+	// Now, Put some delay
+	g_system->delayMillis(2000);
+	g_system->getTimeAndDate(t2);
+	Testsuite::logDetailedPrintf("Time and Date 2s later: ");
+	dateTimeNow = getHumanReadableFormat(t2);
+	Testsuite::logDetailedPrintf("%s\n", dateTimeNow.c_str());
+
+	if (t1.tm_year == t2.tm_year && t1.tm_mon == t2.tm_mon && t1.tm_mday == t2.tm_mday) {
+		if (t1.tm_mon == t2.tm_mon && t1.tm_year == t2.tm_year) {
+			// Ignore lag due to processing time
+			if (t1.tm_sec + 2 == t2.tm_sec) {
+				return true;
+			}
+		}
+	}
+	return false;
+}
+
+bool MiscTests::testTimers() {
+	static int valToModify = 0;
+	if (g_system->getTimerManager()->installTimerProc(timerCallback, 100000, &valToModify)) {
+		g_system->delayMillis(150);
+		g_system->getTimerManager()->removeTimerProc(timerCallback);
+
+		if (999 == valToModify) {
+			return true;
+		}
+	}
+	return false;
+}
+
+bool MiscTests::testMutexes() {
+	
+	if (Testsuite::isSessionInteractive) {
+		if (Testsuite::handleInteractiveInput("Testing the Mutual Exclusion API implementation", "Continue", "Skip", kOptionRight)) {
+			Testsuite::logPrintf("Info! Mutex tests skipped by the user.\n");
+			return true;
+		}
+		Testsuite::writeOnScreen("Installing mutex", Common::Point(0, 100));
+	}
+
+	static SharedVars sv = {1, 1, true, g_system->createMutex()};
+
+	if (g_system->getTimerManager()->installTimerProc(criticalSection, 100000, &sv)) {
+		g_system->delayMillis(150);
+	}
+
+	g_system->lockMutex(sv.mutex);
+	sv.first++;
+	g_system->delayMillis(1000);
+	sv.second *= sv.first;
+	g_system->unlockMutex(sv.mutex);
+
+	// wait till timed process exits
+	if (Testsuite::isSessionInteractive) {
+		Testsuite::writeOnScreen("Waiting for 3s so that timed processes finish", Common::Point(0, 100));
+	}
+	g_system->delayMillis(3000);
+
+	Testsuite::logDetailedPrintf("Final Value: %d %d\n", sv.first, sv.second);
+	g_system->deleteMutex(sv.mutex);
+
+	if (sv.resultSoFar && 6 == sv.second) {
+		return true;
+	}
+
+	return false;
+}
+
+MiscTestSuite::MiscTestSuite() {
+	addTest("Datetime", &MiscTests::testDateTime, false);
+	addTest("Timers", &MiscTests::testTimers, false);
+	addTest("Mutexes", &MiscTests::testMutexes, false);
+}
+
+} // End of namespace Testbed

engines/testbed/misc.h

@@ -0,0 +1,80 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ */
+
+#ifndef TESTBED_MISC_H
+#define TESTBED_MISC_H
+
+#include "testbed/testsuite.h"
+
+
+namespace Testbed {
+
+// Shared variables used in mutex handling test
+struct SharedVars {
+	int first;
+	int second;
+	bool resultSoFar;
+	OSystem::MutexRef mutex;
+};
+
+namespace MiscTests {
+
+// Miscellaneous tests include testing datetime, timers and mutexes
+
+// Helper functions for Misc tests
+Common::String getHumanReadableFormat(TimeDate &td);
+void timerCallback(void *arg);
+void criticalSection(void *arg);
+
+// will contain function declarations for Misc tests
+bool testDateTime();
+bool testTimers();
+bool testMutexes();
+// add more here
+
+} // End of namespace MiscTests
+
+class MiscTestSuite : public Testsuite {
+public:
+	/**
+	 * The constructor for the MiscTestSuite
+	 * For every test to be executed one must:
+	 * 1) Create a function that would invoke the test
+	 * 2) Add that test to list by executing addTest()
+	 *
+	 * @see addTest()
+	 */
+	MiscTestSuite();
+	~MiscTestSuite() {}
+	const char *getName() const {
+		return "Misc";
+	}
+	const char *getDescription() const {
+		return "Miscellaneous: Timers/Mutexes/Datetime";
+	}
+};
+
+} // End of namespace Testbed
+
+#endif // TESTBED_MISC_H

engines/testbed/module.mk

@@ -0,0 +1,24 @@
+MODULE := engines/testbed
+
+MODULE_OBJS := \
+	config.o \
+	detection.o \
+	events.o \
+	fs.o \
+	graphics.o \
+	misc.o \
+	savegame.o \
+	sound.o \
+	testbed.o \
+	testsuite.o
+
+MODULE_DIRS += \
+	engines/testbed
+
+# This module can be built as a plugin
+ifeq ($(ENABLE_TESTBED), DYNAMIC_PLUGIN)
+PLUGIN := 1
+endif
+
+# Include common rules
+include $(srcdir)/rules.mk

engines/testbed/savegame.cpp

@@ -0,0 +1,199 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ */
+
+#include "common/savefile.h"
+
+#include "testbed/savegame.h"
+
+namespace Testbed {
+
+/**
+ * This test creates a savefile for the given testbed-state and could be reloaded using the saveFile API.
+ * It is intended to test saving and loading from savefiles.
+ */
+bool SaveGametests::writeDataToFile(const char *fileName, const char *msg) {
+	Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
+	Common::OutSaveFile *saveFile = saveFileMan->openForSaving(fileName);
+
+	if (!saveFile) {
+		Testsuite::logDetailedPrintf("Can't open saveFile %s\n", fileName);
+		return false;
+	}
+
+	saveFile->writeString(msg);
+	saveFile->finalize();
+	delete saveFile;
+
+	return true;
+}
+
+bool SaveGametests::readAndVerifyData(const char *fileName, const char *expected) {
+	Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
+	Common::InSaveFile *loadFile = saveFileMan->openForLoading(fileName);
+
+	if (!loadFile) {
+		Testsuite::logDetailedPrintf("Can't open save File to load\n");
+		return false;
+	}
+
+	Common::String lineToRead = loadFile->readLine();
+	delete loadFile;
+
+	if (lineToRead.equals(expected)) {
+		return true;
+	}
+
+	return false;
+}
+
+bool SaveGametests::testSaveLoadState() {
+	// create a savefile with "ScummVM Rocks!" written on it
+	if (!writeDataToFile("tBedSavefile.0", "ScummVM Rocks!")) {
+		Testsuite::logDetailedPrintf("Writing data to savefile failed\n");
+		return false;
+	}
+
+	// Verify if it contains the same data
+	if (!readAndVerifyData("tBedSavefile.0", "ScummVM Rocks!")) {
+		Testsuite::logDetailedPrintf("Reading data from savefile failed\n");
+		return false;
+	}
+
+	return true;
+}
+
+bool SaveGametests::testRemovingSavefile() {
+	Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
+
+	// Create a dummy savefile
+	if (!writeDataToFile("tBedSavefileToRemove.0", "Dummy Savefile!")) {
+		Testsuite::logDetailedPrintf("Writing data to savefile failed\n");
+		return false;
+	}
+
+	// Remove it
+	saveFileMan->removeSavefile("tBedSavefileToRemove.0");
+
+	// Try opening it Now
+	Common::InSaveFile *loadFile = saveFileMan->openForLoading("saveFile.0");
+	if (loadFile) {
+		// Removing failed
+		Testsuite::logDetailedPrintf("Removing savefile failed\n");
+		return false;
+	}
+
+	return true;
+}
+
+bool SaveGametests::testRenamingSavefile() {
+	Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
+	// Open a file for renaming
+	if (!writeDataToFile("tBedSomeWeirdName.0", "Rename me!")) {
+		Testsuite::logDetailedPrintf("Writing data to savefile failed\n");
+		return false;
+	}
+
+	// Rename it
+	saveFileMan->renameSavefile("tBedSomeWeirdName.0", "tBedSomeCoolName.0");
+
+	// Verify if it contains the same data
+	if (!readAndVerifyData("tBedSomeCoolName.0", "Rename me!")) {
+		Testsuite::logDetailedPrintf("Renaming savefile failed\n");
+		return false;
+	}
+
+	return true;
+}
+
+bool SaveGametests::testListingSavefile() {
+	Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
+	saveFileMan->clearError();
+
+	// create some savefiles
+	const char *savefileName[] = {"tBedSavefileToList.0", "tBedSavefileToList.1", "tBedSavefileToList.2"};
+	writeDataToFile("tBedSavefileToList.0", "Save me!");
+	writeDataToFile("tBedSavefileToList.1", "Save me!");
+	writeDataToFile("tBedSavefileToList.2", "Save me!");
+
+	Common::Error error = saveFileMan->getError();
+
+	if (error != Common::kNoError) {
+		// Abort. Some Error in writing files
+		Testsuite::logDetailedPrintf("Error while creating savefiles: %s\n", Common::errorToString(error));
+		return false;
+	}
+
+	Common::StringArray savefileList = saveFileMan->listSavefiles("tBedSavefileToList.?");
+	if (savefileList.size() == ARRAYSIZE(savefileName)) {
+		// Match them exactly
+		// As the order of savefileList may be platform specific, match them exhaustively
+		for (uint i = 0; i < ARRAYSIZE(savefileName); i++) {
+			for (uint j = 0; j < savefileList.size(); j++) {
+				if (savefileList[j].equals(savefileName[i])) {
+					break;
+				}
+				if (savefileList.size() == j) {
+					// A match for this name not found
+					Testsuite::logDetailedPrintf("Listed Names don't match\n");
+					return false;
+				}
+			}
+		}
+		return true;
+	} else {
+		Testsuite::logDetailedPrintf("listing Savefiles failed!\n");
+		return false;
+	}
+
+	return false;
+}
+
+bool SaveGametests::testErrorMessages() {
+	Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
+	saveFileMan->clearError();
+
+	// Try opening a non existing file
+	readAndVerifyData("tBedSomeNonExistentSaveFile.0", "File doesn't exists!");
+
+	Common::Error error = saveFileMan->getError();
+	if (error == Common::kNoError) {
+		// blunder! how come?
+		Testsuite::logDetailedPrintf("SaveFileMan.getError() failed\n");
+		return false;
+	}
+	// Can't actually predict whether which error, kInvalidPath or kPathDoesNotExist or some other?
+	// So just return true if some error
+	Testsuite::logDetailedPrintf("getError returned : %s\n", saveFileMan->getErrorDesc().c_str());
+	return true;
+}
+
+SaveGameTestSuite::SaveGameTestSuite() {
+	addTest("OpeningSaveFile", &SaveGametests::testSaveLoadState, false);
+	addTest("RemovingSaveFile", &SaveGametests::testRemovingSavefile, false);
+	addTest("RenamingSaveFile", &SaveGametests::testRenamingSavefile, false);
+	addTest("ListingSaveFile", &SaveGametests::testListingSavefile, false);
+	addTest("VerifyErrorMessages", &SaveGametests::testErrorMessages, false);
+}
+
+} // End of namespace Testbed

engines/testbed/savegame.h

@@ -0,0 +1,69 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ */
+
+#ifndef TESTBED_SAVEGAME_H
+#define TESTBED_SAVEGAME_H
+
+#include "testbed/testsuite.h"
+
+namespace Testbed {
+
+namespace SaveGametests {
+
+// Helper functions for SaveGame tests
+bool writeDataToFile(const char *fileName, const char *msg);
+bool readAndVerifyData(const char *fileName, const char *expected);
+// will contain function declarations for SaveGame tests
+bool testSaveLoadState();
+bool testRemovingSavefile();
+bool testRenamingSavefile();
+bool testListingSavefile();
+bool testErrorMessages();
+// add more here
+
+} // End of namespace SaveGametests
+
+class SaveGameTestSuite : public Testsuite {
+public:
+	/**
+	 * The constructor for the SaveGameTestSuite
+	 * For every test to be executed one must:
+	 * 1) Create a function that would invoke the test
+	 * 2) Add that test to list by executing addTest()
+	 *
+	 * @see addTest()
+	 */
+	SaveGameTestSuite();
+	~SaveGameTestSuite() {}
+	const char *getName() const {
+		return "SaveGames";
+	}
+	const char *getDescription() const {
+		return "Saving Game state tests";
+	}
+};
+
+} // End of namespace Testbed
+
+#endif // TESTBED_SAVEGAME_H

engines/testbed/sound.cpp

@@ -0,0 +1,264 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ */
+
+#include "sound/audiocd.h"
+#include "sound/softsynth/pcspk.h"
+
+#include "testbed/sound.h"
+
+namespace Testbed {
+
+enum {
+	kPlayChannel1 = 'pch1',
+	kPlayChannel2 = 'pch2',
+	kPlayChannel3 = 'pch3',
+	kPauseChannel1 = 'pac1',
+	kPauseChannel2 = 'pac2',
+	kPauseChannel3 = 'pac3'
+};
+
+SoundSubsystemDialog::SoundSubsystemDialog() : TestbedInteractionDialog(80, 60, 400, 170) {
+	_xOffset = 25;
+	_yOffset = 0;
+	Common::String text = "Sound Subsystem Tests: Test Mixing of Audio Streams.";
+	addText(350, 20, text, Graphics::kTextAlignCenter, _xOffset, 15);
+	addButton(200, 20, "Play Channel #1", kPlayChannel1);
+	addButton(200, 20, "Play Channel #2", kPlayChannel2);
+	addButton(200, 20, "Play Channel #3", kPlayChannel3);
+	addButton(50, 20, "Close", GUI::kCloseCmd, 160, 15);
+
+	_mixer = g_system->getMixer();
+
+	// the three streams to be mixed	
+	Audio::PCSpeaker *s1 = new Audio::PCSpeaker();
+	Audio::PCSpeaker *s2 = new Audio::PCSpeaker();
+	Audio::PCSpeaker *s3 = new Audio::PCSpeaker();
+	
+	s1->play(Audio::PCSpeaker::kWaveFormSine, 1000, -1);
+	s2->play(Audio::PCSpeaker::kWaveFormSine, 1200, -1);
+	s3->play(Audio::PCSpeaker::kWaveFormSine, 1400, -1);
+	
+	_mixer->playStream(Audio::Mixer::kPlainSoundType, &_h1, s1);
+	_mixer->pauseHandle(_h1, true);
+
+	_mixer->playStream(Audio::Mixer::kSpeechSoundType, &_h2, s2);
+	_mixer->pauseHandle(_h2, true);
+
+	_mixer->playStream(Audio::Mixer::kSFXSoundType, &_h3, s3);
+	_mixer->pauseHandle(_h3, true);
+
+}
+
+
+void SoundSubsystemDialog::handleCommand(GUI::CommandSender *sender, uint32 cmd, uint32 data) {
+	
+	switch (cmd) {
+		case kPlayChannel1:
+			_buttonArray[0]->setLabel("Pause Channel #1");
+			_buttonArray[0]->setCmd(kPauseChannel1);
+			_mixer->pauseHandle(_h1, false);
+			break;
+		case kPlayChannel2:
+			_buttonArray[1]->setLabel("Pause Channel #2");
+			_buttonArray[1]->setCmd(kPauseChannel2);
+			_mixer->pauseHandle(_h2, false);
+			break;
+		case kPlayChannel3:
+			_buttonArray[2]->setLabel("Pause Channel #3");
+			_buttonArray[2]->setCmd(kPauseChannel3);
+			_mixer->pauseHandle(_h3, false);
+			break;
+		case kPauseChannel1:
+			_buttonArray[0]->setLabel("Play Channel #1");
+			_buttonArray[0]->setCmd(kPlayChannel1);
+			_mixer->pauseHandle(_h1, true);
+			break;
+		case kPauseChannel2:
+			_buttonArray[1]->setLabel("Play Channel #2");
+			_buttonArray[1]->setCmd(kPlayChannel2);
+			_mixer->pauseHandle(_h2, true);
+			break;
+		case kPauseChannel3:
+			_buttonArray[2]->setLabel("Play Channel #3");
+			_buttonArray[2]->setCmd(kPlayChannel3);
+			_mixer->pauseHandle(_h3, true);
+			break;
+		default:
+			_mixer->stopAll();
+			GUI::Dialog::handleCommand(sender, cmd, data);
+	}
+}
+
+bool SoundSubsystem::playBeeps() {
+	Testsuite::clearScreen();
+	bool passed = true; 
+	Common::String info = "Testing Sound Output by generating beeps\n"
+	"You should hear a left beep followed by a right beep\n";
+
+	if (Testsuite::handleInteractiveInput(info, "OK", "Skip", kOptionRight)) {
+		Testsuite::logPrintf("Info! Skipping test : Play Beeps\n");
+		return true;
+	}
+	
+	Audio::PCSpeaker *speaker = new Audio::PCSpeaker();
+	Audio::Mixer *mixer = g_system->getMixer();
+	Audio::SoundHandle handle;
+	mixer->playStream(Audio::Mixer::kPlainSoundType, &handle, speaker);
+	
+	// Left Beep
+	Testsuite::writeOnScreen("Left Beep", Common::Point(0, 100));
+	mixer->setChannelBalance(handle, -127);
+	speaker->play(Audio::PCSpeaker::kWaveFormSine, 1000, -1);
+	g_system->delayMillis(500);
+	mixer->pauseHandle(handle, true);
+	
+	if (Testsuite::handleInteractiveInput("Were you able to hear the left beep?", "Yes", "No", kOptionRight)) {
+		Testsuite::logDetailedPrintf("Error! Left Beep couldn't be detected : Error with Mixer::setChannelBalance()\n");
+		passed = false;
+	}
+	
+	// Right Beep
+	Testsuite::writeOnScreen("Right Beep", Common::Point(0, 100));
+	mixer->setChannelBalance(handle, 127);
+	mixer->pauseHandle(handle, false);
+	g_system->delayMillis(500);
+	mixer->stopAll();
+	
+	if (Testsuite::handleInteractiveInput("Were you able to hear the right beep?", "Yes", "No", kOptionRight)) {
+		Testsuite::logDetailedPrintf("Error! Right Beep couldn't be detected : Error with Mixer::setChannelBalance()\n");
+		passed = false;
+	}
+	return passed;
+}
+
+bool SoundSubsystem::mixSounds() {
+	Testsuite::clearScreen();
+	bool passed = true; 
+	Common::String info = "Testing Mixer Output by generating multichannel sound output using PC speaker emulator.\n"
+	"The mixer should be able to play them simultaneously\n";
+
+	if (Testsuite::handleInteractiveInput(info, "OK", "Skip", kOptionRight)) {
+		Testsuite::logPrintf("Info! Skipping test : Mix Sounds\n");
+		return true;
+	}
+
+	SoundSubsystemDialog sDialog;
+	sDialog.runModal();
+	if (Testsuite::handleInteractiveInput("Was the mixer able to simultaneously play multiple channels?", "Yes", "No", kOptionRight)) {
+		Testsuite::logDetailedPrintf("Error! Multiple channels couldn't be played : Error with Mixer Class\n");
+		passed = false;
+	}
+	return passed;
+}
+
+bool SoundSubsystem::audiocdOutput() {
+	Testsuite::clearScreen();
+	bool passed = true; 
+	Common::String info = "Testing AudioCD API implementation.\n"
+	"Here we have four tracks, we play them in order i.e 1-2-3-last.\n"
+	"The user should verify if the tracks were run in correct order or not.";
+
+	if (Testsuite::handleInteractiveInput(info, "OK", "Skip", kOptionRight)) {
+		Testsuite::logPrintf("Info! Skipping test : AudioCD API\n");
+		return true;
+	}
+	
+	Common::Point pt(0, 100);
+	Testsuite::writeOnScreen("Playing the tracks of testCD in order i.e 1-2-3-last", pt);
+
+	// Make audio-files discoverable
+	Common::FSNode gameRoot(ConfMan.get("path"));
+	SearchMan.addSubDirectoryMatching(gameRoot, "audiocd-files");
+
+	// Play all tracks
+	for (int i = 1; i < 5; i++) { 
+		AudioCD.play(i, 1, 0, 0);
+		while (AudioCD.isPlaying()) {
+			g_system->delayMillis(500);
+			Testsuite::writeOnScreen(Common::String::printf("Playing Now: track%02d", i), pt);
+		}
+		g_system->delayMillis(500);
+	}
+
+	Testsuite::clearScreen();
+	if (Testsuite::handleInteractiveInput("Were all the tracks played in order i.e 1-2-3-last ?", "Yes", "No", kOptionRight)) {
+		Testsuite::logPrintf("Error! Error in AudioCD.play() or probably sound files were not detected, try -d1 (debuglevel 1)\n");
+		passed = false;
+	}
+	
+	return passed;
+}
+
+bool SoundSubsystem::sampleRates() {
+	bool passed = true;
+	Audio::Mixer *mixer = g_system->getMixer();
+
+	Audio::PCSpeaker *s1 = new Audio::PCSpeaker();
+	// Stream at half sampling rate
+	Audio::PCSpeaker *s2 = new Audio::PCSpeaker(s1->getRate() - 10000);
+	// Stream at twice sampling rate
+	Audio::PCSpeaker *s3 = new Audio::PCSpeaker(s1->getRate() + 10000);
+	
+	s1->play(Audio::PCSpeaker::kWaveFormSine, 1000, -1);
+	s2->play(Audio::PCSpeaker::kWaveFormSine, 1000, -1);
+	s3->play(Audio::PCSpeaker::kWaveFormSine, 1000, -1);
+	
+	Audio::SoundHandle handle;
+	Common::Point pt(0, 100);
+	
+	mixer->playStream(Audio::Mixer::kPlainSoundType, &handle, s1);
+	Testsuite::writeOnScreen(Common::String::printf("Playing at smaple rate: %d", s1->getRate()), pt);
+	g_system->delayMillis(1000);
+	mixer->stopHandle(handle);
+	g_system->delayMillis(1000);
+
+	mixer->playStream(Audio::Mixer::kSpeechSoundType, &handle, s2);
+	Testsuite::writeOnScreen(Common::String::printf("Playing at sample rate : %d", s2->getRate()), pt);
+	g_system->delayMillis(1000);
+	mixer->stopHandle(handle);
+	g_system->delayMillis(1000);
+
+	mixer->playStream(Audio::Mixer::kSFXSoundType, &handle, s3);
+	Testsuite::writeOnScreen(Common::String::printf("Playing at sample rate : %d", s3->getRate()), pt);
+	g_system->delayMillis(1000);
+	mixer->stopHandle(handle);
+	g_system->delayMillis(1000);
+	
+	Testsuite::clearScreen();
+	if (Testsuite::handleInteractiveInput("Was the mixer able to play beeps with variable sample rates?", "Yes", "No", kOptionRight)) {
+		Testsuite::logDetailedPrintf("Error! Error with variable sample rates\n");
+		passed = false;
+	}
+
+	return passed;
+}
+
+SoundSubsystemTestSuite::SoundSubsystemTestSuite() {
+	addTest("SimpleBeeps", &SoundSubsystem::playBeeps, true);
+	addTest("MixSounds", &SoundSubsystem::mixSounds, true);
+	addTest("AudiocdOutput", &SoundSubsystem::audiocdOutput, true);
+	addTest("SampleRates", &SoundSubsystem::sampleRates, true);
+}
+
+}	// End of namespace Testbed

engines/testbed/sound.h

@@ -0,0 +1,80 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ */
+
+#ifndef TESTBED_SOUND_H
+#define TESTBED_SOUND_H
+
+#include "gui/dialog.h"
+#include "sound/mixer.h"
+#include "testbed/config.h"
+#include "testbed/testsuite.h"
+
+namespace Testbed {
+
+class SoundSubsystemDialog : public TestbedInteractionDialog {
+public:
+	SoundSubsystemDialog();
+	~SoundSubsystemDialog() {}
+	void handleCommand(GUI::CommandSender *sender, uint32 cmd, uint32 data);
+	Audio::Mixer *_mixer;
+	Audio::SoundHandle _h1, _h2, _h3;
+};
+
+namespace SoundSubsystem {
+
+// Helper functions for SoundSubsystem tests
+
+// will contain function declarations for SoundSubsystem tests
+bool playBeeps();
+bool mixSounds();
+bool audiocdOutput();
+bool sampleRates();
+}
+
+class SoundSubsystemTestSuite : public Testsuite {
+public:
+	/**
+	 * The constructor for the SoundSubsystemTestSuite
+	 * For every test to be executed one must:
+	 * 1) Create a function that would invoke the test
+	 * 2) Add that test to list by executing addTest()
+	 *
+	 * @see addTest()
+	 */
+	SoundSubsystemTestSuite();
+	~SoundSubsystemTestSuite() {}
+	
+	const char *getName() const {
+		return "SoundSubsystem";
+	}
+	
+	const char *getDescription() const {
+		return "Sound Subsystem";
+	}
+
+};
+
+} // End of namespace Testbed
+
+#endif // TESTBED_SOUND_H

engines/testbed/template.h

@@ -0,0 +1,67 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ */
+
+#ifndef TESTBED_TEMPLATE_H
+#define TESTBED_TEMPLATE_H
+
+#include "testbed/testsuite.h"
+
+// This file can be used as template for header files of other newer testsuites.
+
+namespace Testbed {
+
+namespace XXXtests {
+
+// Helper functions for XXX tests
+
+// will contain function declarations for XXX tests
+// add more here
+
+} // End of namespace XXXtests
+
+class XXXTestSuite : public Testsuite {
+public:
+	/**
+	 * The constructor for the XXXTestSuite
+	 * For every test to be executed one must:
+	 * 1) Create a function that would invoke the test
+	 * 2) Add that test to list by executing addTest()
+	 *
+	 * @see addTest()
+	 */
+	XXXTestSuite();
+	~XXXTestSuite() {}
+	const char *getName() const {
+		return "Dummy Template";
+	}
+	
+	const char *getDescription() const {
+		return "Some Arbit description";
+	}
+
+};
+
+} // End of namespace Testbed
+
+#endif // TESTBED_TEMPLATE_H

engines/testbed/testbed.cpp

@@ -0,0 +1,169 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ */
+
+#include "common/debug-channels.h"
+#include "common/scummsys.h"
+#include "common/system.h"
+
+#include "engines/util.h"
+
+#include "testbed/events.h"
+#include "testbed/fs.h"
+#include "testbed/graphics.h"
+#include "testbed/misc.h"
+#include "testbed/savegame.h"
+#include "testbed/sound.h"
+#include "testbed/testbed.h"
+
+namespace Testbed {
+
+void TestbedExitDialog::init() {
+	_xOffset = 25;
+	_yOffset = 0;
+	Common::String text = "Thank you for using ScummVM testbed! Here are yor summarized results:";
+	addText(450, 20, text, Graphics::kTextAlignCenter, _xOffset, 15);
+	Common::Array<Common::String> strArray;
+	
+	for (Common::Array<Testsuite *>::const_iterator i = _testsuiteList.begin(); i != _testsuiteList.end(); ++i) {
+		strArray.push_back(Common::String::printf("%s    (%d/%d tests failed)", (*i)->getName(), (*i)->getNumTestsFailed(), 
+		(*i)->getNumTestsEnabled()));
+	}
+	
+	addList(0, _yOffset, 500, 200, strArray);
+	text = "More Details can be viewed in the Log file : " + Testsuite::getLogFile();
+	addText(450, 20, text, Graphics::kTextAlignLeft, 0, 0);
+	text = "Directory : " + Testsuite::getLogDir();
+	addText(500, 20, text, Graphics::kTextAlignLeft, 0, 0);
+	_yOffset += 5;
+	addButtonXY(_xOffset + 80, _yOffset, 120, 20, "Rerun Tests", kCmdRerunTestbed);
+	addButtonXY(_xOffset + 240, _yOffset, 60, 20, "Close", GUI::kCloseCmd);
+}
+
+void TestbedExitDialog::handleCommand(GUI::CommandSender *sender, uint32 cmd, uint32 data) {
+	switch (cmd) {
+	case kCmdRerunTestbed :
+		_rerun = true;
+		GUI::Dialog::close();
+	default:
+		GUI::Dialog::handleCommand(sender, cmd, data);
+	}
+}
+
+bool TestbedEngine::hasFeature(EngineFeature f) const {
+	return (f == kSupportsRTL) ? true : false;
+}
+
+TestbedEngine::TestbedEngine(OSystem *syst)
+ : Engine(syst) {
+	// Put your engine in a sane state, but do nothing big yet;
+	// in particular, do not load data from files; rather, if you
+	// need to do such things, do them from init().
+
+	// Do not initialize graphics here
+
+	// However this is the place to specify all default directories
+
+	DebugMan.addDebugChannel(kTestbedLogOutput, "LOG", "Log of test results generated by testbed");
+	DebugMan.addDebugChannel(kTestbedEngineDebug, "Debug", "Engine-specific debug statements");
+	DebugMan.enableDebugChannel("LOG");
+
+	// Initialize testsuites here
+	// GFX
+	Testsuite *ts = new GFXTestSuite();
+	_testsuiteList.push_back(ts);
+	// FS
+	ts = new FSTestSuite();
+	_testsuiteList.push_back(ts);
+	// Savegames
+	ts = new SaveGameTestSuite();
+	_testsuiteList.push_back(ts);
+	// Misc.
+	ts = new MiscTestSuite();
+	_testsuiteList.push_back(ts);
+	// Events
+	ts = new EventTestSuite();
+	_testsuiteList.push_back(ts);
+	// Sound
+	ts = new SoundSubsystemTestSuite();
+	_testsuiteList.push_back(ts);
+}
+
+TestbedEngine::~TestbedEngine() {
+	Testsuite::deleteWriteStream();
+	// Remove all of our debug levels here
+	DebugMan.clearAllDebugChannels();
+
+	for (Common::Array<Testsuite *>::const_iterator i = _testsuiteList.begin(); i != _testsuiteList.end(); ++i) {
+		delete (*i);
+	}
+}
+
+void TestbedEngine::invokeTestsuites(TestbedConfigManager &cfMan) {
+	Common::Array<Testsuite *>::const_iterator iter;
+	uint count = 1;
+	Common::Point pt = Testsuite::getDisplayRegionCoordinates();
+	int numSuitesEnabled = cfMan.getNumSuitesEnabled();
+
+	for (iter = _testsuiteList.begin(); iter != _testsuiteList.end(); iter++) {
+		(*iter)->reset();
+		if ((*iter)->isEnabled()) {
+			Testsuite::updateStats("Testsuite", (*iter)->getName(), count++, numSuitesEnabled, pt);
+			(*iter)->execute();
+		}
+	}
+}
+
+Common::Error TestbedEngine::run() {
+	// Initialize graphics using following:
+	initGraphics(320, 200, false);
+
+	// As of now we are using GUI::MessageDialog for interaction, Test if it works.
+	// interactive mode could also be modified by a config parameter "non-interactive=1"
+	// TODO: Implement that
+
+	TestbedConfigManager cfMan(_testsuiteList, "testbed.config");
+	
+	// Keep running if rerun requested 
+	TestbedExitDialog tbDialog(_testsuiteList);
+
+	do {
+		Testsuite::clearEntireScreen();
+		cfMan.selectTestsuites();
+		// Init logging
+		Testsuite::initLogging(true);
+		// Check if user wanted to exit.
+		if (Engine::shouldQuit()) {
+			return Common::kNoError;
+		}
+		
+		invokeTestsuites(cfMan);
+		tbDialog.init();
+		tbDialog.run();
+
+	} while (tbDialog.rerunRequired());
+	
+	return Common::kNoError;
+}
+
+} // End of namespace Testbed

engines/testbed/testbed.h

@@ -0,0 +1,85 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ */
+
+#ifndef TESTBED_H
+#define TESTBED_H
+
+#include "engines/engine.h"
+
+#include "gui/options.h"
+
+#include "testbed/config.h"
+#include "testbed/testsuite.h"
+
+namespace Testbed {
+
+class TestbedConfigManager;
+
+enum {
+	kTestbedLogOutput = 1 << 0,
+	kTestbedEngineDebug = 1 << 2, 
+	kCmdRerunTestbed = 'crtb'
+};
+
+class TestbedEngine : public Engine {
+public:
+	TestbedEngine(OSystem *syst);
+	~TestbedEngine();
+
+	virtual Common::Error run();
+
+	/**
+	 * Invokes configured testsuites.
+	 */
+	void invokeTestsuites(TestbedConfigManager &cfMan);
+
+	bool hasFeature(EngineFeature f) const;
+	
+private:
+	Common::Array<Testsuite *> _testsuiteList;
+};
+
+class TestbedExitDialog : public TestbedInteractionDialog {
+public:
+	TestbedExitDialog(Common::Array<Testsuite *> &testsuiteList) : TestbedInteractionDialog(80, 60, 500, 320), _rerun(false), 
+	_testsuiteList(testsuiteList) {}
+	~TestbedExitDialog() {}
+	void init();
+	void handleCommand(GUI::CommandSender *sender, uint32 cmd, uint32 data);
+	void run() { runModal(); }
+	bool rerunRequired() {
+		if (_rerun) {
+			_rerun = false;
+			return true;
+		}
+		return false;
+	}
+private:
+	bool _rerun;
+	Common::Array<Testsuite *> &_testsuiteList;
+};
+
+} // End of namespace Testbed
+
+#endif // TESTBED_H

engines/testbed/testsuite.cpp

@@ -0,0 +1,373 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ */
+
+#include "common/config-manager.h"
+#include "common/events.h"
+#include "common/stream.h"
+
+#include "graphics/fontman.h"
+#include "graphics/surface.h"
+
+#include "gui/message.h"
+
+#include "testbed/graphics.h"
+#include "testbed/testbed.h"
+#include "testbed/testsuite.h"
+
+namespace Testbed {
+
+// Static public variable of Testsuite
+bool Testsuite::isSessionInteractive = true;
+
+// Static private variable of Testsuite
+Common::String Testsuite::_logDirectory = "";
+Common::String Testsuite::_logFilename = "";
+Graphics::FontManager::FontUsage Testsuite::_displayFont = Graphics::FontManager::kGUIFont;
+Common::WriteStream *Testsuite::_ws = 0;
+uint Testsuite::toQuit = kLoopNormal;
+
+void Testsuite::setLogDir(const char *dirname) {
+	_logDirectory = dirname;
+}
+
+void Testsuite::setLogFile(const char *filename) {
+	_logFilename = filename;
+}
+
+void Testsuite::deleteWriteStream() {
+	if (_ws) {
+		delete _ws;
+	}
+}
+
+void Testsuite::initLogging(const char *logdir, const char *filename, bool enable) {
+	setLogDir(logdir);
+	setLogFile(filename);
+
+	if (enable) {
+		_ws = Common::FSNode(_logDirectory).getChild(_logFilename).createWriteStream();
+	} else {
+		_ws = 0;
+	}
+}
+
+void Testsuite::initLogging(bool enable) {
+	setLogDir(ConfMan.get("path").c_str());
+	setLogFile("testbed.log");
+
+	if (enable) {
+		_ws = Common::FSNode(_logDirectory).getChild(_logFilename).createWriteStream();
+	} else {
+		_ws = 0;
+	}
+}
+
+void Testsuite::logPrintf(const char *fmt, ...) {
+	// Assuming log message size to be not greater than STRINGBUFLEN i.e 256
+	char buffer[STRINGBUFLEN];
+	va_list vl;
+	va_start(vl, fmt);
+	vsnprintf(buffer, STRINGBUFLEN, fmt, vl);
+	va_end(vl);
+
+	if (_ws) {
+		_ws->writeString(buffer);
+		debugCN(kTestbedLogOutput, "%s", buffer);
+	} else {
+		debugCN(kTestbedLogOutput, "%s", buffer);
+	}
+}
+
+void Testsuite::logDetailedPrintf(const char *fmt, ...) {
+	// Assuming log message size to be not greater than STRINGBUFLEN i.e 256
+	// Messages with this function would only be displayed if -d1 is specified on command line
+	char buffer[STRINGBUFLEN];
+	va_list vl;
+	va_start(vl, fmt);
+	vsnprintf(buffer, STRINGBUFLEN, fmt, vl);
+	va_end(vl);
+
+	if (_ws) {
+		_ws->writeString(buffer);
+		debugCN(1, kTestbedLogOutput, "%s", buffer);
+	} else {
+		debugCN(1, kTestbedLogOutput, "%s", buffer);
+	}
+}
+
+Testsuite::Testsuite() {
+	_numTestsPassed = 0;
+	_numTestsExecuted = 0;
+	// Initially all testsuites are enabled, disable them by calling enableTestSuite(name, false)
+	_isTsEnabled = true;
+	// Set custom color for progress bar
+	GFXTestSuite::setCustomColor(0, 0, 0);
+}
+
+Testsuite::~Testsuite() {
+	for (Common::Array<Test *>::iterator i = _testsToExecute.begin(); i != _testsToExecute.end(); ++i) {
+		delete (*i);
+	}
+}
+
+void Testsuite::reset() {
+	_numTestsPassed = 0;
+	_numTestsExecuted = 0;
+	toQuit = kLoopNormal;
+	for (Common::Array<Test *>::iterator i = _testsToExecute.begin(); i != _testsToExecute.end(); ++i) {
+		(*i)->passed = false;
+	}
+}
+
+void Testsuite::genReport() const {
+	logPrintf("\n");
+	logPrintf("Consolidating results...\n");
+	logPrintf("Subsystem: %s ", getName());
+	logPrintf("(Tests Executed: %d)\n", _numTestsExecuted);
+	logPrintf("Passed: %d ", _numTestsPassed);
+	logPrintf("Failed: %d\n", getNumTestsFailed());
+	logPrintf("\n");
+}
+
+bool Testsuite::handleInteractiveInput(const Common::String &textToDisplay, const char *opt1, const char *opt2, OptionSelected result) {
+	GUI::MessageDialog prompt(textToDisplay, opt1, opt2);
+	return prompt.runModal() == result ? true : false;
+}
+
+void Testsuite::displayMessage(const Common::String &textToDisplay, const char *defaultButton, const char *altButton) {
+	GUI::MessageDialog prompt(textToDisplay, defaultButton);
+	prompt.runModal();
+}
+
+Common::Rect Testsuite::writeOnScreen(const Common::String &textToDisplay, const Common::Point &pt, bool flag) {
+	const Graphics::Font &font(*FontMan.getFontByUsage(Graphics::FontManager::kConsoleFont));
+	uint fillColor = kColorBlack;
+	uint textColor = kColorWhite;
+
+	Graphics::Surface *screen = g_system->lockScreen();
+
+	int height = font.getFontHeight();
+	int width = screen->w;
+
+	Common::Rect rect(pt.x, pt.y, pt.x + width, pt.y + height);
+
+	if (flag) {
+		Graphics::PixelFormat pf = g_system->getScreenFormat();
+		fillColor = pf.RGBToColor(0, 0, 0);
+		textColor = pf.RGBToColor(255, 255, 255);
+	}
+
+	screen->fillRect(rect, fillColor);
+	font.drawString(screen, textToDisplay, rect.left, rect.top, screen->w, textColor, Graphics::kTextAlignCenter);
+
+	g_system->unlockScreen();
+	g_system->updateScreen();
+
+	return rect;
+}
+
+void Testsuite::clearScreen(const Common::Rect &rect) {
+	Graphics::Surface *screen = g_system->lockScreen();
+
+	screen->fillRect(rect, kColorBlack);
+
+	g_system->unlockScreen();
+	g_system->updateScreen();
+}
+
+void Testsuite::clearScreen() {
+	int numBytesPerLine = g_system->getWidth() * g_system->getScreenFormat().bytesPerPixel;
+	int height = getDisplayRegionCoordinates().y;
+	
+	// Don't clear test info display region
+	int size =  height * numBytesPerLine;
+	byte *buffer = new byte[size];
+	memset(buffer, 0, size);
+	g_system->copyRectToScreen(buffer, numBytesPerLine, 0, 0, g_system->getWidth(), height);
+	g_system->updateScreen();
+	delete[] buffer;
+}
+
+void Testsuite::clearScreen(bool flag) {
+	Graphics::Surface *screen = g_system->lockScreen();
+	uint fillColor = kColorBlack;
+
+	if (flag) {
+		fillColor = g_system->getScreenFormat().RGBToColor(0, 0, 0);
+	}
+
+	screen->fillRect(Common::Rect(0, 0, g_system->getWidth(), g_system->getHeight()), fillColor);
+
+	g_system->unlockScreen();
+	g_system->updateScreen();
+}
+
+void Testsuite::addTest(const Common::String &name, InvokingFunction f, bool isInteractive) {
+	Test *featureTest = new Test(name, f, isInteractive);
+	_testsToExecute.push_back(featureTest);
+}
+
+int Testsuite::getNumTestsEnabled() {
+	int count = 0;
+	Common::Array<Test *>::const_iterator iter;
+
+	if (!isEnabled()) {
+		return 0;
+	}
+
+	for (iter = _testsToExecute.begin(); iter != _testsToExecute.end(); iter++) {
+		if ((*iter)->enabled) {
+			count++;
+		}
+	}
+	return count;
+}
+
+uint Testsuite::parseEvents() {
+	uint startTime = g_system->getMillis();
+	uint end = startTime + kEventHandlingTime;
+	do {
+		Common::Event ev;
+		while (g_system->getEventManager()->pollEvent(ev)) {
+			switch (ev.type) {
+			case Common::EVENT_KEYDOWN:
+				if (ev.kbd.keycode == Common::KEYCODE_ESCAPE) {
+					return kSkipNext;
+				}
+				break;
+			case Common::EVENT_QUIT:
+			case Common::EVENT_RTL:
+				return kEngineQuit;
+				break;
+			default:
+				break;
+			}
+		}
+		g_system->delayMillis(10);
+		startTime = g_system->getMillis();
+	} while (startTime <= end);
+
+	return kLoopNormal;
+}
+
+void Testsuite::updateStats(const char *prefix, const char *info, uint testNum, uint numTests, Common::Point pt) {
+	Common::String text = Common::String::printf(" Running %s: %s (%d of %d) ", prefix, info, testNum, numTests);
+	writeOnScreen(text, pt);
+	uint barColor = kColorSpecial; 
+	// below the text a rectangle denoting the progress in the testsuite can be drawn.
+	int separation = getLineSeparation();
+	pt.y += separation;
+	int wRect = 200;
+	int lRect = 7;
+	pt.x = g_system->getWidth() / 2 - 100;
+	byte *buffer = new byte[lRect * wRect];
+	memset(buffer, 0, sizeof(byte) * lRect * wRect);
+
+	int wShaded = (int) (wRect * (((float)testNum) / numTests));
+
+	// draw the boundary
+	memset(buffer, barColor, sizeof(byte) * wRect);
+	memset(buffer + (wRect * (lRect - 1)) , barColor, sizeof(byte) * wRect);
+	
+	for (int i = 0; i < lRect; i++) {
+		for (int j = 0; j < wRect; j++) {
+			if (j < wShaded) {
+				buffer[i * wRect + j] = barColor;
+			}
+		}
+		buffer[i * wRect + 0] = barColor;
+		buffer[i * wRect + wRect - 1] = barColor;
+	}
+	g_system->copyRectToScreen(buffer, wRect, pt.x, pt.y, wRect, lRect);
+	g_system->updateScreen();
+	delete[] buffer;
+}
+
+bool Testsuite::enableTest(const Common::String &testName, bool toEnable) {
+	for (uint i = 0; i < _testsToExecute.size(); i++) {
+		if (_testsToExecute[i]->featureName.equalsIgnoreCase(testName)) {
+			_testsToExecute[i]->enabled = toEnable;
+			return true;
+		}
+	}
+	return false;
+}
+
+
+void Testsuite::execute() {
+	// Main Loop for a testsuite
+
+	// Do nothing if meant to exit
+	if (toQuit == kEngineQuit) {
+		return;
+	}
+
+	uint count = 0;
+	Common::Point pt = getDisplayRegionCoordinates();
+	pt.y += getLineSeparation();
+	int numEnabledTests = getNumTestsEnabled();
+
+	for (Common::Array<Test *>::iterator i = _testsToExecute.begin(); i != _testsToExecute.end(); ++i) {
+		if (!(*i)->enabled) {
+			logPrintf("Info! Skipping Test: %s, Skipped by configuration.\n", ((*i)->featureName).c_str());
+			continue;	
+		}
+
+		if (toQuit == kSkipNext) {
+			logPrintf("Info! Skipping Test: %s, Skipped by user.\n", ((*i)->featureName).c_str());
+			toQuit = kLoopNormal;
+			continue;
+		}
+
+		if((*i)->isInteractive && !isSessionInteractive) {
+			logPrintf("Info! Skipping Test: %s, non-interactive environment is selected\n", ((*i)->featureName).c_str());
+			continue;
+		}
+
+		logPrintf("Info! Executing Test: %s\n", ((*i)->featureName).c_str());
+		updateStats("Test", ((*i)->featureName).c_str(), count++, numEnabledTests, pt);
+		_numTestsExecuted++;
+		if ((*i)->driver()) {
+			logPrintf("Result: Passed\n");
+			_numTestsPassed++;
+		} else {
+			logPrintf("Result: Failed\n");
+		}
+		updateStats("Test", ((*i)->featureName).c_str(), count, numEnabledTests, pt);
+		// TODO: Display a screen here to user with details of upcoming test, he can skip it or Quit or RTL
+		// Check if user wants to quit/RTL/Skip next test by parsing events.
+		// Quit directly if explicitly requested
+
+		if (Engine::shouldQuit()) {
+			toQuit = kEngineQuit;
+			genReport();
+			return;
+		}
+
+		toQuit = parseEvents();
+	}
+	genReport();
+}
+
+} // End of namespace Testebed

engines/testbed/testsuite.h

@@ -0,0 +1,214 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ */
+
+#ifndef TESTBED_TESTSUITE_H
+#define TESTBED_TESTSUITE_H
+
+#include "common/system.h"
+#include "common/str.h"
+#include "common/array.h"
+
+#include "graphics/fontman.h"
+
+namespace Testbed {
+
+enum {
+	kColorBlack = 0,
+	kColorWhite = 1,
+	kColorCustom = 2,
+	kColorSpecial = 5 	///< some random number
+};
+
+enum OptionSelected {
+	kOptionLeft = 1,
+	kOptionRight = 0
+};
+
+enum {
+	kEngineQuit = 0,
+	kSkipNext = 1,
+	kLoopNormal = 2,
+	// Event handling time,(in ms) used in parseEvent()
+	kEventHandlingTime = 50
+};
+
+typedef bool (*InvokingFunction)();
+
+/**
+ * This represents a feature to be tested
+ */
+
+struct Test {
+	Test(Common::String name, InvokingFunction f, bool interactive) : featureName(name) {
+		driver = f;
+		enabled = true;
+		passed = false;
+		isInteractive = interactive;
+	}
+	const Common::String featureName;	///< Name of feature to be tested
+	InvokingFunction driver;		///< Pointer to the function that will invoke this feature test
+	bool enabled;				    ///< Decides whether or not this test is to be executed
+	bool passed;					///< Collects and stores result of this feature test
+	bool isInteractive;				///< Decides if the test is interactive or not, An interactive testsuite may have non-interactive tests, hence this change.
+};
+
+
+/**
+ * The basic Testsuite class
+ * All the other testsuites would inherit it and override its virtual methods
+ */
+
+class Testsuite {
+public:
+	Testsuite();
+	virtual ~Testsuite();
+	int getNumTests() const { return _testsToExecute.size(); }
+	int getNumTestsPassed() const { return _numTestsPassed; }
+	int getNumTestsFailed() const { return _numTestsExecuted - _numTestsPassed; }
+	void genReport() const;
+	bool isEnabled() const { return _isTsEnabled; }
+	virtual void enable(bool flag) {
+		_isTsEnabled = flag;
+	}
+	bool enableTest(const Common::String &testName, bool enable);
+	void reset();
+	
+	/**
+	 * Prompts for User Input in form of "Yes" or "No" for interactive tests
+	 * e.g: "Is this like you expect?" "Yes" or "No"
+	 *
+	 * @param	textToDisplay Display text
+	 * @return	true if "Yes" false otherwise
+	 */
+	static bool handleInteractiveInput(const Common::String &textToDisplay, const char *opt1 = "Yes", const char *opt2 = "No", OptionSelected result = kOptionLeft);
+
+	static void displayMessage(const Common::String &textToDisplay, const char *defaultButton = "OK", const char *altButton = 0);
+	static Common::Rect writeOnScreen(const Common::String &textToDisplay, const Common::Point &pt, bool flag = false);
+	static void clearScreen(const Common::Rect &rect);
+	static void clearEntireScreen() {
+		const int width = g_system->getWidth();
+		const int height = g_system->getHeight();
+		Common::Rect r(0, 0, width, height);
+		clearScreen(r);
+	}
+	static void clearScreen();
+	static void clearScreen(bool flag);
+
+	/**
+	 * Adds a test to the list of tests to be executed
+	 *
+	 * @param	name the string description of the test, for display purposes
+	 * @param	f pointer to the function that invokes this test
+	 * @param	isInteractive	decides if the test is to be executed in interactive mode/ default true
+	 */
+	void addTest(const Common::String &name, InvokingFunction f, bool isInteractive = true);
+
+	/**
+	 * The driver function for the testsuite
+	 * All code should go in here.
+	 */
+	virtual void execute();
+	static uint parseEvents();
+
+	virtual const char *getName() const = 0;
+	virtual const char *getDescription() const = 0;
+
+	static void logPrintf(const char *s, ...) GCC_PRINTF(1, 2);
+	static void logDetailedPrintf(const char *s, ...) GCC_PRINTF(1, 2);
+	/**
+	 * Note: To enable logging, this function must be called once first.
+	 */
+	static void initLogging(const char *dirname, const char *filename, bool enable = true);
+	static void initLogging(bool enable = true);
+	static void setLogDir(const char *dirname);
+	static void setLogFile(const char *filename);
+	static Common::String getLogDir() { return _logDirectory; }
+	static Common::String getLogFile() { return _logFilename; }
+
+	static void deleteWriteStream();
+
+	// Progress bar (Information Display) related methods.
+	/** 
+	 * Display region is in the bottom. Probably 1/4th of the game screen.
+	 * It contains:
+	 * 1) Information about executing testsuite.
+	 * 2) Total progress within this testsuite.
+	 * 3) Total overall progress in the number of testsuites
+	 */
+
+	static Common::Point getDisplayRegionCoordinates() {
+		Common::Point pt(0, 0);
+		// start from bottom
+		pt.y = g_system->getHeight();
+		// Will Contain 3 lines
+		pt.y -= (FontMan.getFontByUsage(_displayFont)->getFontHeight() * 3 + 15); // Buffer of 5 pixels per line
+		return pt;
+	}
+
+	static uint getLineSeparation() {
+		return FontMan.getFontByUsage(_displayFont)->getFontHeight() + 5;
+	}
+	static Graphics::FontManager::FontUsage getCurrentFontUsageType() { return _displayFont; }
+	static void setCurrentFontUsageType(Graphics::FontManager::FontUsage f) { _displayFont = f; }
+
+	static void updateStats(const char *prefix, const char *info, uint numTests, uint testNum, Common::Point pt);
+	const Common::Array<Test *>& getTestList() { return _testsToExecute; }
+	int getNumTestsEnabled();
+
+protected:
+	Common::Array<Test *> _testsToExecute;			///< List of tests to be executed
+	int		    _numTestsPassed;					///< Number of tests passed
+	int			_numTestsExecuted;					///< Number of tests executed
+	bool		_isTsEnabled;
+
+public:
+
+	/**
+	 * Static variable of this class that determines if the user initiated testing session is interactive or not.
+	 * Used by various tests to respond accordingly
+	 */
+	static bool isSessionInteractive;
+
+	/**
+	 * Used from the code to decide if the engine needs to exit
+	 */
+	static uint	toQuit;
+
+private:
+	/**
+	 * Private variables related to logging files
+	 */
+	static Common::String _logDirectory;
+	static Common::String _logFilename;
+	static Common::WriteStream *_ws;
+
+	/**
+	 * Private variable used for font
+	 */
+	static Graphics::FontManager::FontUsage	_displayFont;
+};
+
+} // End of namespace Testbed
+
+#endif // TESTBED_TESTSUITE_H