Added tests for SDL_EnclosePoints.
This commit is contained in:
Andreas Schiffler
parent
b1185bef03
commit
d1cc70ba65
1 changed files with 260 additions and 1 deletions
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@ -51,10 +51,23 @@ static const TestCaseReference test13 =
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static const TestCaseReference test14 =
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static const TestCaseReference test14 =
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(TestCaseReference){ "rect_testHasIntersectionParam", "Negative tests against SDL_HasIntersection with invalid parameters", TEST_ENABLED, 0, 0 };
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(TestCaseReference){ "rect_testHasIntersectionParam", "Negative tests against SDL_HasIntersection with invalid parameters", TEST_ENABLED, 0, 0 };
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static const TestCaseReference test15 =
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(TestCaseReference){ "rect_testEnclosePoints", "Tests SDL_EnclosePoints without clipping", TEST_ENABLED, 0, 0 };
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static const TestCaseReference test16 =
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(TestCaseReference){ "rect_testEnclosePointsWithClipping", "Tests SDL_EnclosePoints with clipping", TEST_ENABLED, 0, 0 };
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static const TestCaseReference test17 =
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(TestCaseReference){ "rect_testEnclosePointsRepeatedInput", "Tests SDL_EnclosePoints with repeated input", TEST_ENABLED, 0, 0 };
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static const TestCaseReference test18 =
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(TestCaseReference){ "rect_testEnclosePointsParam", "Negative tests against SDL_EnclosePoints with invalid parameters", TEST_ENABLED, 0, 0 };
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/* Test suite */
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/* Test suite */
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extern const TestCaseReference *testSuite[] = {
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extern const TestCaseReference *testSuite[] = {
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&test1, &test2, &test3, &test4, &test5, &test6, &test7, &test8, &test9, &test10, &test11, &test12, &test13, &test14, NULL
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&test1, &test2, &test3, &test4, &test5, &test6, &test7, &test8, &test9, &test10, &test11, &test12, &test13, &test14,
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&test15, &test16, &test17, &test18, NULL
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};
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};
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TestCaseReference **QueryTestSuite() {
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TestCaseReference **QueryTestSuite() {
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@ -737,3 +750,249 @@ int rect_testHasIntersectionParam(void *arg)
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intersection = SDL_HasIntersection((SDL_Rect *)NULL, (SDL_Rect *)NULL);
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intersection = SDL_HasIntersection((SDL_Rect *)NULL, (SDL_Rect *)NULL);
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AssertTrue(intersection == SDL_FALSE, "Function did not return false when all parameters were NULL");
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AssertTrue(intersection == SDL_FALSE, "Function did not return false when all parameters were NULL");
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}
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}
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/*!
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* \brief Test SDL_EnclosePoints() without clipping
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*
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* \sa
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* http://wiki.libsdl.org/moin.cgi/SDL_EnclosePoints
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*/
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int rect_testEnclosePoints(void *arg)
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{
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const int numPoints = 16;
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SDL_Point refPoints[numPoints];
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SDL_Point points[numPoints];
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int count;
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SDL_Rect result;
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SDL_bool anyEnclosed;
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SDL_bool anyEnclosedNoResult;
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// Create input data, tracking result
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SDL_bool expectedEnclosed = SDL_TRUE;
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int newx, newy;
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int minx, maxx, miny, maxy;
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int i;
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for (i=0; i<numPoints; i++) {
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newx = RandomIntegerInRange(-1024, 1024);
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newy = RandomIntegerInRange(-1024, 1024);
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refPoints[i].x = newx;
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refPoints[i].y = newy;
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points[i].x = newx;
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points[i].y = newy;
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if (i==0) {
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minx=maxx=newx;
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miny=maxy=newy;
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} else {
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if (newx<minx) minx=newx;
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if (newx>maxx) maxx=newx;
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if (newy<miny) miny=newy;
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if (newy>maxy) maxy=newy;
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}
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}
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// Call function and validate - special case: no result requested
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anyEnclosedNoResult = SDL_EnclosePoints((const SDL_Point *)points, numPoints, (const SDL_Rect *)NULL, (SDL_Rect *)NULL);
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AssertTrue(expectedEnclosed==anyEnclosedNoResult,
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"Expected return value %s, got %s",
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(expectedEnclosed==SDL_TRUE) ? "true" : "false", (anyEnclosedNoResult==SDL_TRUE) ? "true" : "false");
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for (i=0; i<numPoints; i++) {
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AssertTrue(refPoints[i].x==points[i].x && refPoints[i].y==points[i].y,
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"Source point %i was incorrectly modified: expected (%i,%i) actual (%i,%i)",
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i, refPoints[i].x, refPoints[i].y, points[i].x, points[i].y);
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}
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// Call function and validate
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anyEnclosed = SDL_EnclosePoints((const SDL_Point *)points, numPoints, (const SDL_Rect *)NULL, &result);
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AssertTrue(expectedEnclosed==anyEnclosed,
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"Expected return value %s, got %s",
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(expectedEnclosed==SDL_TRUE) ? "true" : "false", (anyEnclosed==SDL_TRUE) ? "true" : "false");
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for (i=0; i<numPoints; i++) {
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AssertTrue(refPoints[i].x==points[i].x && refPoints[i].y==points[i].y,
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"Source point %i was incorrectly modified: expected (%i,%i) actual (%i,%i)",
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i, refPoints[i].x, refPoints[i].y, points[i].x, points[i].y);
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}
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AssertTrue(result.x==minx && result.y==miny && result.w==(maxx - minx + 1) && result.h==(maxy - miny + 1),
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"Resulting enclosing rectangle incorrect: expected (%i,%i - %i,%i), actual (%i,%i - %i,%i)",
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minx, miny, maxx, maxy, result.x, result.y, result.x + result.w - 1, result.y + result.h - 1);
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}
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/*!
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* \brief Test SDL_EnclosePoints() with repeated input points
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*
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* \sa
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* http://wiki.libsdl.org/moin.cgi/SDL_EnclosePoints
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*/
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int rect_testEnclosePointsRepeatedInput(void *arg)
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{
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const int numPoints = 8;
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const int halfPoints = numPoints/2;
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SDL_Point refPoints[numPoints];
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SDL_Point points[numPoints];
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int count;
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SDL_Rect result;
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SDL_bool anyEnclosed;
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SDL_bool anyEnclosedNoResult;
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// Create input data, tracking result
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SDL_bool expectedEnclosed = SDL_TRUE;
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int newx, newy;
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int minx, maxx, miny, maxy;
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int i;
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for (i=0; i<numPoints; i++) {
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if (i < halfPoints) {
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newx = RandomIntegerInRange(-1024, 1024);
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newy = RandomIntegerInRange(-1024, 1024);
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} else {
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newx = refPoints[i-halfPoints].x;
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newy = refPoints[i-halfPoints].y;
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}
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refPoints[i].x = newx;
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refPoints[i].y = newy;
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points[i].x = newx;
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points[i].y = newy;
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if (i==0) {
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minx=maxx=newx;
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miny=maxy=newy;
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} else {
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if (newx<minx) minx=newx;
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if (newx>maxx) maxx=newx;
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if (newy<miny) miny=newy;
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if (newy>maxy) maxy=newy;
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}
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}
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// Call function and validate - special case: no result requested
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anyEnclosedNoResult = SDL_EnclosePoints((const SDL_Point *)points, numPoints, (const SDL_Rect *)NULL, (SDL_Rect *)NULL);
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AssertTrue(expectedEnclosed==anyEnclosedNoResult,
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"Expected return value %s, got %s",
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(expectedEnclosed==SDL_TRUE) ? "true" : "false", (anyEnclosedNoResult==SDL_TRUE) ? "true" : "false");
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for (i=0; i<numPoints; i++) {
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AssertTrue(refPoints[i].x==points[i].x && refPoints[i].y==points[i].y,
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"Source point %i was incorrectly modified: expected (%i,%i) actual (%i,%i)",
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i, refPoints[i].x, refPoints[i].y, points[i].x, points[i].y);
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}
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// Call function and validate
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anyEnclosed = SDL_EnclosePoints((const SDL_Point *)points, numPoints, (const SDL_Rect *)NULL, &result);
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AssertTrue(expectedEnclosed==anyEnclosed,
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"Expected return value %s, got %s",
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(expectedEnclosed==SDL_TRUE) ? "true" : "false", (anyEnclosed==SDL_TRUE) ? "true" : "false");
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for (i=0; i<numPoints; i++) {
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AssertTrue(refPoints[i].x==points[i].x && refPoints[i].y==points[i].y,
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"Source point %i was incorrectly modified: expected (%i,%i) actual (%i,%i)",
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i, refPoints[i].x, refPoints[i].y, points[i].x, points[i].y);
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}
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AssertTrue(result.x==minx && result.y==miny && result.w==(maxx - minx + 1) && result.h==(maxy - miny + 1),
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"Resulting enclosing rectangle incorrect: expected (%i,%i - %i,%i), actual (%i,%i - %i,%i)",
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minx, miny, maxx, maxy, result.x, result.y, result.x + result.w - 1, result.y + result.h - 1);
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}
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/*!
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* \brief Test SDL_EnclosePoints() with clipping
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*
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* \sa
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* http://wiki.libsdl.org/moin.cgi/SDL_EnclosePoints
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*/
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int rect_testEnclosePointsWithClipping(void *arg)
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{
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const int numPoints = 16;
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SDL_Point refPoints[numPoints];
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SDL_Point points[numPoints];
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int count;
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SDL_Rect refClip;
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SDL_Rect clip;
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SDL_Rect result;
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SDL_bool anyEnclosed;
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SDL_bool anyEnclosedNoResult;
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// Setup clipping rectangle
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refClip.x = RandomIntegerInRange(-1024, 1024);
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refClip.y = RandomIntegerInRange(-1024, 1024);
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refClip.w = RandomIntegerInRange(1, 1024);
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refClip.h = RandomIntegerInRange(1, 1024);
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// Create input data, tracking result
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SDL_bool expectedEnclosed = SDL_FALSE;
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int newx, newy;
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int minx, maxx, miny, maxy;
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int i;
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for (i=0; i<numPoints; i++) {
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newx = RandomIntegerInRange(-1024, 1024);
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newy = RandomIntegerInRange(-1024, 1024);
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refPoints[i].x = newx;
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refPoints[i].y = newy;
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points[i].x = newx;
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points[i].y = newy;
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if ((newx>=refClip.x) && (newx<(refClip.x + refClip.w)) &&
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(newy>=refClip.y) && (newy<(refClip.y + refClip.h))) {
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if (expectedEnclosed==SDL_FALSE) {
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minx=maxx=newx;
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miny=maxy=newy;
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} else {
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if (newx<minx) minx=newx;
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if (newx>maxx) maxx=newx;
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if (newy<miny) miny=newy;
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if (newy>maxy) maxy=newy;
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}
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expectedEnclosed = SDL_TRUE;
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}
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}
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// Call function and validate - special case: no result requested
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clip = refClip;
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anyEnclosedNoResult = SDL_EnclosePoints((const SDL_Point *)points, numPoints, (const SDL_Rect *)&clip, (SDL_Rect *)NULL);
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AssertTrue(expectedEnclosed==anyEnclosedNoResult,
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"Expected return value %s, got %s",
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(expectedEnclosed==SDL_TRUE) ? "true" : "false", (anyEnclosedNoResult==SDL_TRUE) ? "true" : "false");
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for (i=0; i<numPoints; i++) {
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AssertTrue(refPoints[i].x==points[i].x && refPoints[i].y==points[i].y,
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"Source point %i was incorrectly modified: expected (%i,%i) actual (%i,%i)",
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i, refPoints[i].x, refPoints[i].y, points[i].x, points[i].y);
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}
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AssertTrue(refClip.x==clip.x && refClip.y==clip.y && refClip.w==clip.w && refClip.h==clip.h,
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"Source clipping rectangle was incorrectly modified");
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// Call function and validate
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anyEnclosed = SDL_EnclosePoints((const SDL_Point *)points, numPoints, (const SDL_Rect *)&clip, &result);
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AssertTrue(expectedEnclosed==anyEnclosed,
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"Expected return value %s, got %s",
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(expectedEnclosed==SDL_TRUE) ? "true" : "false", (anyEnclosed==SDL_TRUE) ? "true" : "false");
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for (i=0; i<numPoints; i++) {
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AssertTrue(refPoints[i].x==points[i].x && refPoints[i].y==points[i].y,
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"Source point %i was incorrectly modified: expected (%i,%i) actual (%i,%i)",
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i, refPoints[i].x, refPoints[i].y, points[i].x, points[i].y);
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}
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AssertTrue(refClip.x==clip.x && refClip.y==clip.y && refClip.w==clip.w && refClip.h==clip.h,
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"Source clipping rectangle was incorrectly modified");
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if (expectedEnclosed==SDL_TRUE) {
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AssertTrue(result.x==minx && result.y==miny && result.w==(maxx - minx + 1) && result.h==(maxy - miny + 1),
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"Resulting enclosing rectangle incorrect: expected (%i,%i - %i,%i), actual (%i,%i - %i,%i)",
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minx, miny, maxx, maxy, result.x, result.y, result.x + result.w - 1, result.y + result.h - 1);
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}
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}
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/*!
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* \brief Negative tests against SDL_EnclosePoints() with invalid parameters
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*
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* \sa
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* http://wiki.libsdl.org/moin.cgi/SDL_EnclosePoints
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*/
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int rect_testEnclosePointsParam(void *arg)
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{
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SDL_Point points[1];
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int count;
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SDL_Rect clip;
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SDL_Rect result;
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SDL_bool anyEnclosed;
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// invalid parameter combinations
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anyEnclosed = SDL_EnclosePoints((SDL_Point *)NULL, 1, (const SDL_Rect *)&clip, &result);
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AssertTrue(anyEnclosed == SDL_FALSE, "Function did not return false when 1st parameter was NULL");
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anyEnclosed = SDL_EnclosePoints((const SDL_Point *)points, 0, (const SDL_Rect *)&clip, &result);
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AssertTrue(anyEnclosed == SDL_FALSE, "Function did not return false when 2nd parameter was 0");
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count = RandomIntegerInRange(-100, -1);
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anyEnclosed = SDL_EnclosePoints((const SDL_Point *)points, count, (const SDL_Rect *)&clip, &result);
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AssertTrue(anyEnclosed == SDL_FALSE, "Function did not return false when 2nd parameter was %i", count);
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anyEnclosed = SDL_EnclosePoints((SDL_Point *)NULL, 0, (const SDL_Rect *)&clip, &result);
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AssertTrue(anyEnclosed == SDL_FALSE, "Function did not return false when 1st parameter was NULL and 2nd parameter was 0");
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}
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