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-rw-r--r--3rdparty/SDL2/test/testautomation_rect.c1696
1 files changed, 1696 insertions, 0 deletions
diff --git a/3rdparty/SDL2/test/testautomation_rect.c b/3rdparty/SDL2/test/testautomation_rect.c
new file mode 100644
index 00000000000..abf19f593df
--- /dev/null
+++ b/3rdparty/SDL2/test/testautomation_rect.c
@@ -0,0 +1,1696 @@
+/**
+ * Original code: automated SDL rect test written by Edgar Simo "bobbens"
+ * New/updated tests: aschiffler at ferzkopp dot net
+ */
+
+#include <stdio.h>
+
+#include "SDL.h"
+#include "SDL_test.h"
+
+/* ================= Test Case Implementation ================== */
+
+/* Helper functions */
+
+/* !
+ * \brief Private helper to check SDL_IntersectRectAndLine results
+ */
+void _validateIntersectRectAndLineResults(
+ SDL_bool intersection, SDL_bool expectedIntersection,
+ SDL_Rect *rect, SDL_Rect * refRect,
+ int x1, int y1, int x2, int y2,
+ int x1Ref, int y1Ref, int x2Ref, int y2Ref)
+{
+ SDLTest_AssertCheck(intersection == expectedIntersection,
+ "Check for correct intersection result: expected %s, got %s intersecting rect (%d,%d,%d,%d) with line (%d,%d - %d,%d)",
+ (expectedIntersection == SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE",
+ (intersection == SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE",
+ refRect->x, refRect->y, refRect->w, refRect->h,
+ x1Ref, y1Ref, x2Ref, y2Ref);
+ SDLTest_AssertCheck(rect->x == refRect->x && rect->y == refRect->y && rect->w == refRect->w && rect->h == refRect->h,
+ "Check that source rectangle was not modified: got (%d,%d,%d,%d) expected (%d,%d,%d,%d)",
+ rect->x, rect->y, rect->w, rect->h,
+ refRect->x, refRect->y, refRect->w, refRect->h);
+ SDLTest_AssertCheck(x1 == x1Ref && y1 == y1Ref && x2 == x2Ref && y2 == y2Ref,
+ "Check if line was incorrectly clipped or modified: got (%d,%d - %d,%d) expected (%d,%d - %d,%d)",
+ x1, y1, x2, y2,
+ x1Ref, y1Ref, x2Ref, y2Ref);
+}
+
+/* Test case functions */
+
+/* !
+ * \brief Tests SDL_IntersectRectAndLine() clipping cases
+ *
+ * \sa
+ * http://wiki.libsdl.org/moin.cgi/SDL_IntersectRectAndLine
+ */
+int
+rect_testIntersectRectAndLine (void *arg)
+{
+ SDL_Rect refRect = { 0, 0, 32, 32 };
+ SDL_Rect rect;
+ int x1, y1;
+ int x2, y2;
+ SDL_bool intersected;
+
+ int xLeft = -SDLTest_RandomIntegerInRange(1, refRect.w);
+ int xRight = refRect.w + SDLTest_RandomIntegerInRange(1, refRect.w);
+ int yTop = -SDLTest_RandomIntegerInRange(1, refRect.h);
+ int yBottom = refRect.h + SDLTest_RandomIntegerInRange(1, refRect.h);
+
+ x1 = xLeft;
+ y1 = 15;
+ x2 = xRight;
+ y2 = 15;
+ rect = refRect;
+ intersected = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
+ _validateIntersectRectAndLineResults(intersected, SDL_TRUE, &rect, &refRect, x1, y1, x2, y2, 0, 15, 31, 15);
+
+ x1 = 15;
+ y1 = yTop;
+ x2 = 15;
+ y2 = yBottom;
+ rect = refRect;
+ intersected = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
+ _validateIntersectRectAndLineResults(intersected, SDL_TRUE, &rect, &refRect, x1, y1, x2, y2, 15, 0, 15, 31);
+
+ x1 = -refRect.w;
+ y1 = -refRect.h;
+ x2 = 2*refRect.w;
+ y2 = 2*refRect.h;
+ rect = refRect;
+ intersected = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
+ _validateIntersectRectAndLineResults(intersected, SDL_TRUE, &rect, &refRect, x1, y1, x2, y2, 0, 0, 31, 31);
+
+ x1 = 2*refRect.w;
+ y1 = 2*refRect.h;
+ x2 = -refRect.w;
+ y2 = -refRect.h;
+ rect = refRect;
+ intersected = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
+ _validateIntersectRectAndLineResults(intersected, SDL_TRUE, &rect, &refRect, x1, y1, x2, y2, 31, 31, 0, 0);
+
+ x1 = -1;
+ y1 = 32;
+ x2 = 32;
+ y2 = -1;
+ rect = refRect;
+ intersected = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
+ _validateIntersectRectAndLineResults(intersected, SDL_TRUE, &rect, &refRect, x1, y1, x2, y2, 0, 31, 31, 0);
+
+ x1 = 32;
+ y1 = -1;
+ x2 = -1;
+ y2 = 32;
+ rect = refRect;
+ intersected = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
+ _validateIntersectRectAndLineResults(intersected, SDL_TRUE, &rect, &refRect, x1, y1, x2, y2, 31, 0, 0, 31);
+
+ return TEST_COMPLETED;
+}
+
+/* !
+ * \brief Tests SDL_IntersectRectAndLine() non-clipping case line inside
+ *
+ * \sa
+ * http://wiki.libsdl.org/moin.cgi/SDL_IntersectRectAndLine
+ */
+int
+rect_testIntersectRectAndLineInside (void *arg)
+{
+ SDL_Rect refRect = { 0, 0, 32, 32 };
+ SDL_Rect rect;
+ int x1, y1;
+ int x2, y2;
+ SDL_bool intersected;
+
+ int xmin = refRect.x;
+ int xmax = refRect.x + refRect.w - 1;
+ int ymin = refRect.y;
+ int ymax = refRect.y + refRect.h - 1;
+ int x1Ref = SDLTest_RandomIntegerInRange(xmin + 1, xmax - 1);
+ int y1Ref = SDLTest_RandomIntegerInRange(ymin + 1, ymax - 1);
+ int x2Ref = SDLTest_RandomIntegerInRange(xmin + 1, xmax - 1);
+ int y2Ref = SDLTest_RandomIntegerInRange(ymin + 1, ymax - 1);
+
+ x1 = x1Ref;
+ y1 = y1Ref;
+ x2 = x2Ref;
+ y2 = y2Ref;
+ rect = refRect;
+ intersected = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
+ _validateIntersectRectAndLineResults(intersected, SDL_TRUE, &rect, &refRect, x1, y1, x2, y2, x1Ref, y1Ref, x2Ref, y2Ref);
+
+ x1 = x1Ref;
+ y1 = y1Ref;
+ x2 = xmax;
+ y2 = ymax;
+ rect = refRect;
+ intersected = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
+ _validateIntersectRectAndLineResults(intersected, SDL_TRUE, &rect, &refRect, x1, y1, x2, y2, x1Ref, y1Ref, xmax, ymax);
+
+ x1 = xmin;
+ y1 = ymin;
+ x2 = x2Ref;
+ y2 = y2Ref;
+ rect = refRect;
+ intersected = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
+ _validateIntersectRectAndLineResults(intersected, SDL_TRUE, &rect, &refRect, x1, y1, x2, y2, xmin, ymin, x2Ref, y2Ref);
+
+ x1 = xmin;
+ y1 = ymin;
+ x2 = xmax;
+ y2 = ymax;
+ rect = refRect;
+ intersected = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
+ _validateIntersectRectAndLineResults(intersected, SDL_TRUE, &rect, &refRect, x1, y1, x2, y2, xmin, ymin, xmax, ymax);
+
+ x1 = xmin;
+ y1 = ymax;
+ x2 = xmax;
+ y2 = ymin;
+ rect = refRect;
+ intersected = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
+ _validateIntersectRectAndLineResults(intersected, SDL_TRUE, &rect, &refRect, x1, y1, x2, y2, xmin, ymax, xmax, ymin);
+
+ return TEST_COMPLETED;
+}
+
+/* !
+ * \brief Tests SDL_IntersectRectAndLine() non-clipping cases outside
+ *
+ * \sa
+ * http://wiki.libsdl.org/moin.cgi/SDL_IntersectRectAndLine
+ */
+int
+rect_testIntersectRectAndLineOutside (void *arg)
+{
+ SDL_Rect refRect = { 0, 0, 32, 32 };
+ SDL_Rect rect;
+ int x1, y1;
+ int x2, y2;
+ SDL_bool intersected;
+
+ int xLeft = -SDLTest_RandomIntegerInRange(1, refRect.w);
+ int xRight = refRect.w + SDLTest_RandomIntegerInRange(1, refRect.w);
+ int yTop = -SDLTest_RandomIntegerInRange(1, refRect.h);
+ int yBottom = refRect.h + SDLTest_RandomIntegerInRange(1, refRect.h);
+
+ x1 = xLeft;
+ y1 = 0;
+ x2 = xLeft;
+ y2 = 31;
+ rect = refRect;
+ intersected = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
+ _validateIntersectRectAndLineResults(intersected, SDL_FALSE, &rect, &refRect, x1, y1, x2, y2, xLeft, 0, xLeft, 31);
+
+ x1 = xRight;
+ y1 = 0;
+ x2 = xRight;
+ y2 = 31;
+ rect = refRect;
+ intersected = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
+ _validateIntersectRectAndLineResults(intersected, SDL_FALSE, &rect, &refRect, x1, y1, x2, y2, xRight, 0, xRight, 31);
+
+ x1 = 0;
+ y1 = yTop;
+ x2 = 31;
+ y2 = yTop;
+ rect = refRect;
+ intersected = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
+ _validateIntersectRectAndLineResults(intersected, SDL_FALSE, &rect, &refRect, x1, y1, x2, y2, 0, yTop, 31, yTop);
+
+ x1 = 0;
+ y1 = yBottom;
+ x2 = 31;
+ y2 = yBottom;
+ rect = refRect;
+ intersected = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
+ _validateIntersectRectAndLineResults(intersected, SDL_FALSE, &rect, &refRect, x1, y1, x2, y2, 0, yBottom, 31, yBottom);
+
+ return TEST_COMPLETED;
+}
+
+/* !
+ * \brief Tests SDL_IntersectRectAndLine() with empty rectangle
+ *
+ * \sa
+ * http://wiki.libsdl.org/moin.cgi/SDL_IntersectRectAndLine
+ */
+int
+rect_testIntersectRectAndLineEmpty (void *arg)
+{
+ SDL_Rect refRect;
+ SDL_Rect rect;
+ int x1, y1, x1Ref, y1Ref;
+ int x2, y2, x2Ref, y2Ref;
+ SDL_bool intersected;
+
+ refRect.x = SDLTest_RandomIntegerInRange(1, 1024);
+ refRect.y = SDLTest_RandomIntegerInRange(1, 1024);
+ refRect.w = 0;
+ refRect.h = 0;
+ x1Ref = refRect.x;
+ y1Ref = refRect.y;
+ x2Ref = SDLTest_RandomIntegerInRange(1, 1024);
+ y2Ref = SDLTest_RandomIntegerInRange(1, 1024);
+
+ x1 = x1Ref;
+ y1 = y1Ref;
+ x2 = x2Ref;
+ y2 = y2Ref;
+ rect = refRect;
+ intersected = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
+ _validateIntersectRectAndLineResults(intersected, SDL_FALSE, &rect, &refRect, x1, y1, x2, y2, x1Ref, y1Ref, x2Ref, y2Ref);
+
+ return TEST_COMPLETED;
+}
+
+/* !
+ * \brief Negative tests against SDL_IntersectRectAndLine() with invalid parameters
+ *
+ * \sa
+ * http://wiki.libsdl.org/moin.cgi/SDL_IntersectRectAndLine
+ */
+int
+rect_testIntersectRectAndLineParam (void *arg)
+{
+ SDL_Rect rect = { 0, 0, 32, 32 };
+ int x1 = rect.w / 2;
+ int y1 = rect.h / 2;
+ int x2 = x1;
+ int y2 = 2 * rect.h;
+ SDL_bool intersected;
+
+ intersected = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
+ SDLTest_AssertCheck(intersected == SDL_TRUE, "Check that intersection result was SDL_TRUE");
+
+ intersected = SDL_IntersectRectAndLine((SDL_Rect *)NULL, &x1, &y1, &x2, &y2);
+ SDLTest_AssertCheck(intersected == SDL_FALSE, "Check that function returns SDL_FALSE when 1st parameter is NULL");
+ intersected = SDL_IntersectRectAndLine(&rect, (int *)NULL, &y1, &x2, &y2);
+ SDLTest_AssertCheck(intersected == SDL_FALSE, "Check that function returns SDL_FALSE when 2nd parameter is NULL");
+ intersected = SDL_IntersectRectAndLine(&rect, &x1, (int *)NULL, &x2, &y2);
+ SDLTest_AssertCheck(intersected == SDL_FALSE, "Check that function returns SDL_FALSE when 3rd parameter is NULL");
+ intersected = SDL_IntersectRectAndLine(&rect, &x1, &y1, (int *)NULL, &y2);
+ SDLTest_AssertCheck(intersected == SDL_FALSE, "Check that function returns SDL_FALSE when 4th parameter is NULL");
+ intersected = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, (int *)NULL);
+ SDLTest_AssertCheck(intersected == SDL_FALSE, "Check that function returns SDL_FALSE when 5th parameter is NULL");
+ intersected = SDL_IntersectRectAndLine((SDL_Rect *)NULL, (int *)NULL, (int *)NULL, (int *)NULL, (int *)NULL);
+ SDLTest_AssertCheck(intersected == SDL_FALSE, "Check that function returns SDL_FALSE when all parameters are NULL");
+
+ return TEST_COMPLETED;
+}
+
+/* !
+ * \brief Private helper to check SDL_HasIntersection results
+ */
+void _validateHasIntersectionResults(
+ SDL_bool intersection, SDL_bool expectedIntersection,
+ SDL_Rect *rectA, SDL_Rect *rectB, SDL_Rect *refRectA, SDL_Rect *refRectB)
+{
+ SDLTest_AssertCheck(intersection == expectedIntersection,
+ "Check intersection result: expected %s, got %s intersecting A (%d,%d,%d,%d) with B (%d,%d,%d,%d)",
+ (expectedIntersection == SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE",
+ (intersection == SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE",
+ rectA->x, rectA->y, rectA->w, rectA->h,
+ rectB->x, rectB->y, rectB->w, rectB->h);
+ SDLTest_AssertCheck(rectA->x == refRectA->x && rectA->y == refRectA->y && rectA->w == refRectA->w && rectA->h == refRectA->h,
+ "Check that source rectangle A was not modified: got (%d,%d,%d,%d) expected (%d,%d,%d,%d)",
+ rectA->x, rectA->y, rectA->w, rectA->h,
+ refRectA->x, refRectA->y, refRectA->w, refRectA->h);
+ SDLTest_AssertCheck(rectB->x == refRectB->x && rectB->y == refRectB->y && rectB->w == refRectB->w && rectB->h == refRectB->h,
+ "Check that source rectangle B was not modified: got (%d,%d,%d,%d) expected (%d,%d,%d,%d)",
+ rectB->x, rectB->y, rectB->w, rectB->h,
+ refRectB->x, refRectB->y, refRectB->w, refRectB->h);
+}
+
+/* !
+ * \brief Private helper to check SDL_IntersectRect results
+ */
+void _validateIntersectRectResults(
+ SDL_bool intersection, SDL_bool expectedIntersection,
+ SDL_Rect *rectA, SDL_Rect *rectB, SDL_Rect *refRectA, SDL_Rect *refRectB,
+ SDL_Rect *result, SDL_Rect *expectedResult)
+{
+ _validateHasIntersectionResults(intersection, expectedIntersection, rectA, rectB, refRectA, refRectB);
+ if (result && expectedResult) {
+ SDLTest_AssertCheck(result->x == expectedResult->x && result->y == expectedResult->y && result->w == expectedResult->w && result->h == expectedResult->h,
+ "Check that intersection of rectangles A (%d,%d,%d,%d) and B (%d,%d,%d,%d) was correctly calculated, got (%d,%d,%d,%d) expected (%d,%d,%d,%d)",
+ rectA->x, rectA->y, rectA->w, rectA->h,
+ rectB->x, rectB->y, rectB->w, rectB->h,
+ result->x, result->y, result->w, result->h,
+ expectedResult->x, expectedResult->y, expectedResult->w, expectedResult->h);
+ }
+}
+
+/* !
+ * \brief Private helper to check SDL_UnionRect results
+ */
+void _validateUnionRectResults(
+ SDL_Rect *rectA, SDL_Rect *rectB, SDL_Rect *refRectA, SDL_Rect *refRectB,
+ SDL_Rect *result, SDL_Rect *expectedResult)
+{
+ SDLTest_AssertCheck(rectA->x == refRectA->x && rectA->y == refRectA->y && rectA->w == refRectA->w && rectA->h == refRectA->h,
+ "Check that source rectangle A was not modified: got (%d,%d,%d,%d) expected (%d,%d,%d,%d)",
+ rectA->x, rectA->y, rectA->w, rectA->h,
+ refRectA->x, refRectA->y, refRectA->w, refRectA->h);
+ SDLTest_AssertCheck(rectB->x == refRectB->x && rectB->y == refRectB->y && rectB->w == refRectB->w && rectB->h == refRectB->h,
+ "Check that source rectangle B was not modified: got (%d,%d,%d,%d) expected (%d,%d,%d,%d)",
+ rectB->x, rectB->y, rectB->w, rectB->h,
+ refRectB->x, refRectB->y, refRectB->w, refRectB->h);
+ SDLTest_AssertCheck(result->x == expectedResult->x && result->y == expectedResult->y && result->w == expectedResult->w && result->h == expectedResult->h,
+ "Check that union of rectangles A (%d,%d,%d,%d) and B (%d,%d,%d,%d) was correctly calculated, got (%d,%d,%d,%d) expected (%d,%d,%d,%d)",
+ rectA->x, rectA->y, rectA->w, rectA->h,
+ rectB->x, rectB->y, rectB->w, rectB->h,
+ result->x, result->y, result->w, result->h,
+ expectedResult->x, expectedResult->y, expectedResult->w, expectedResult->h);
+}
+
+/* !
+ * \brief Private helper to check SDL_RectEmpty results
+ */
+void _validateRectEmptyResults(
+ SDL_bool empty, SDL_bool expectedEmpty,
+ SDL_Rect *rect, SDL_Rect *refRect)
+{
+ SDLTest_AssertCheck(empty == expectedEmpty,
+ "Check for correct empty result: expected %s, got %s testing (%d,%d,%d,%d)",
+ (expectedEmpty == SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE",
+ (empty == SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE",
+ rect->x, rect->y, rect->w, rect->h);
+ SDLTest_AssertCheck(rect->x == refRect->x && rect->y == refRect->y && rect->w == refRect->w && rect->h == refRect->h,
+ "Check that source rectangle was not modified: got (%d,%d,%d,%d) expected (%d,%d,%d,%d)",
+ rect->x, rect->y, rect->w, rect->h,
+ refRect->x, refRect->y, refRect->w, refRect->h);
+}
+
+/* !
+ * \brief Private helper to check SDL_RectEquals results
+ */
+void _validateRectEqualsResults(
+ SDL_bool equals, SDL_bool expectedEquals,
+ SDL_Rect *rectA, SDL_Rect *rectB, SDL_Rect *refRectA, SDL_Rect *refRectB)
+{
+ SDLTest_AssertCheck(equals == expectedEquals,
+ "Check for correct equals result: expected %s, got %s testing (%d,%d,%d,%d) and (%d,%d,%d,%d)",
+ (expectedEquals == SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE",
+ (equals == SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE",
+ rectA->x, rectA->y, rectA->w, rectA->h,
+ rectB->x, rectB->y, rectB->w, rectB->h);
+ SDLTest_AssertCheck(rectA->x == refRectA->x && rectA->y == refRectA->y && rectA->w == refRectA->w && rectA->h == refRectA->h,
+ "Check that source rectangle A was not modified: got (%d,%d,%d,%d) expected (%d,%d,%d,%d)",
+ rectA->x, rectA->y, rectA->w, rectA->h,
+ refRectA->x, refRectA->y, refRectA->w, refRectA->h);
+ SDLTest_AssertCheck(rectB->x == refRectB->x && rectB->y == refRectB->y && rectB->w == refRectB->w && rectB->h == refRectB->h,
+ "Check that source rectangle B was not modified: got (%d,%d,%d,%d) expected (%d,%d,%d,%d)",
+ rectB->x, rectB->y, rectB->w, rectB->h,
+ refRectB->x, refRectB->y, refRectB->w, refRectB->h);
+}
+
+/* !
+ * \brief Tests SDL_IntersectRect() with B fully inside A
+ *
+ * \sa
+ * http://wiki.libsdl.org/moin.cgi/SDL_IntersectRect
+ */
+int rect_testIntersectRectInside (void *arg)
+{
+ SDL_Rect refRectA = { 0, 0, 32, 32 };
+ SDL_Rect refRectB;
+ SDL_Rect rectA;
+ SDL_Rect rectB;
+ SDL_Rect result;
+ SDL_bool intersection;
+
+ /* rectB fully contained in rectA */
+ refRectB.x = 0;
+ refRectB.y = 0;
+ refRectB.w = SDLTest_RandomIntegerInRange(refRectA.x + 1, refRectA.x + refRectA.w - 1);
+ refRectB.h = SDLTest_RandomIntegerInRange(refRectA.y + 1, refRectA.y + refRectA.h - 1);
+ rectA = refRectA;
+ rectB = refRectB;
+ intersection = SDL_IntersectRect(&rectA, &rectB, &result);
+ _validateIntersectRectResults(intersection, SDL_TRUE, &rectA, &rectB, &refRectA, &refRectB, &result, &refRectB);
+
+ return TEST_COMPLETED;
+}
+
+/* !
+ * \brief Tests SDL_IntersectRect() with B fully outside A
+ *
+ * \sa
+ * http://wiki.libsdl.org/moin.cgi/SDL_IntersectRect
+ */
+int rect_testIntersectRectOutside (void *arg)
+{
+ SDL_Rect refRectA = { 0, 0, 32, 32 };
+ SDL_Rect refRectB;
+ SDL_Rect rectA;
+ SDL_Rect rectB;
+ SDL_Rect result;
+ SDL_bool intersection;
+
+ /* rectB fully outside of rectA */
+ refRectB.x = refRectA.x + refRectA.w + SDLTest_RandomIntegerInRange(1, 10);
+ refRectB.y = refRectA.y + refRectA.h + SDLTest_RandomIntegerInRange(1, 10);
+ refRectB.w = refRectA.w;
+ refRectB.h = refRectA.h;
+ rectA = refRectA;
+ rectB = refRectB;
+ intersection = SDL_IntersectRect(&rectA, &rectB, &result);
+ _validateIntersectRectResults(intersection, SDL_FALSE, &rectA, &rectB, &refRectA, &refRectB, (SDL_Rect *)NULL, (SDL_Rect *)NULL);
+
+ return TEST_COMPLETED;
+}
+
+/* !
+ * \brief Tests SDL_IntersectRect() with B partially intersecting A
+ *
+ * \sa
+ * http://wiki.libsdl.org/moin.cgi/SDL_IntersectRect
+ */
+int rect_testIntersectRectPartial (void *arg)
+{
+ SDL_Rect refRectA = { 0, 0, 32, 32 };
+ SDL_Rect refRectB;
+ SDL_Rect rectA;
+ SDL_Rect rectB;
+ SDL_Rect result;
+ SDL_Rect expectedResult;
+ SDL_bool intersection;
+
+ /* rectB partially contained in rectA */
+ refRectB.x = SDLTest_RandomIntegerInRange(refRectA.x + 1, refRectA.x + refRectA.w - 1);
+ refRectB.y = SDLTest_RandomIntegerInRange(refRectA.y + 1, refRectA.y + refRectA.h - 1);
+ refRectB.w = refRectA.w;
+ refRectB.h = refRectA.h;
+ rectA = refRectA;
+ rectB = refRectB;
+ expectedResult.x = refRectB.x;
+ expectedResult.y = refRectB.y;
+ expectedResult.w = refRectA.w - refRectB.x;
+ expectedResult.h = refRectA.h - refRectB.y;
+ intersection = SDL_IntersectRect(&rectA, &rectB, &result);
+ _validateIntersectRectResults(intersection, SDL_TRUE, &rectA, &rectB, &refRectA, &refRectB, &result, &expectedResult);
+
+ /* rectB right edge */
+ refRectB.x = rectA.w - 1;
+ refRectB.y = rectA.y;
+ refRectB.w = SDLTest_RandomIntegerInRange(1, refRectA.w - 1);
+ refRectB.h = SDLTest_RandomIntegerInRange(1, refRectA.h - 1);
+ rectA = refRectA;
+ rectB = refRectB;
+ expectedResult.x = refRectB.x;
+ expectedResult.y = refRectB.y;
+ expectedResult.w = 1;
+ expectedResult.h = refRectB.h;
+ intersection = SDL_IntersectRect(&rectA, &rectB, &result);
+ _validateIntersectRectResults(intersection, SDL_TRUE, &rectA, &rectB, &refRectA, &refRectB, &result, &expectedResult);
+
+ /* rectB left edge */
+ refRectB.x = 1 - rectA.w;
+ refRectB.y = rectA.y;
+ refRectB.w = refRectA.w;
+ refRectB.h = SDLTest_RandomIntegerInRange(1, refRectA.h - 1);
+ rectA = refRectA;
+ rectB = refRectB;
+ expectedResult.x = 0;
+ expectedResult.y = refRectB.y;
+ expectedResult.w = 1;
+ expectedResult.h = refRectB.h;
+ intersection = SDL_IntersectRect(&rectA, &rectB, &result);
+ _validateIntersectRectResults(intersection, SDL_TRUE, &rectA, &rectB, &refRectA, &refRectB, &result, &expectedResult);
+
+ /* rectB bottom edge */
+ refRectB.x = rectA.x;
+ refRectB.y = rectA.h - 1;
+ refRectB.w = SDLTest_RandomIntegerInRange(1, refRectA.w - 1);
+ refRectB.h = SDLTest_RandomIntegerInRange(1, refRectA.h - 1);
+ rectA = refRectA;
+ rectB = refRectB;
+ expectedResult.x = refRectB.x;
+ expectedResult.y = refRectB.y;
+ expectedResult.w = refRectB.w;
+ expectedResult.h = 1;
+ intersection = SDL_IntersectRect(&rectA, &rectB, &result);
+ _validateIntersectRectResults(intersection, SDL_TRUE, &rectA, &rectB, &refRectA, &refRectB, &result, &expectedResult);
+
+ /* rectB top edge */
+ refRectB.x = rectA.x;
+ refRectB.y = 1 - rectA.h;
+ refRectB.w = SDLTest_RandomIntegerInRange(1, refRectA.w - 1);
+ refRectB.h = rectA.h;
+ rectA = refRectA;
+ rectB = refRectB;
+ expectedResult.x = refRectB.x;
+ expectedResult.y = 0;
+ expectedResult.w = refRectB.w;
+ expectedResult.h = 1;
+ intersection = SDL_IntersectRect(&rectA, &rectB, &result);
+ _validateIntersectRectResults(intersection, SDL_TRUE, &rectA, &rectB, &refRectA, &refRectB, &result, &expectedResult);
+
+ return TEST_COMPLETED;
+}
+
+/* !
+ * \brief Tests SDL_IntersectRect() with 1x1 pixel sized rectangles
+ *
+ * \sa
+ * http://wiki.libsdl.org/moin.cgi/SDL_IntersectRect
+ */
+int rect_testIntersectRectPoint (void *arg)
+{
+ SDL_Rect refRectA = { 0, 0, 1, 1 };
+ SDL_Rect refRectB = { 0, 0, 1, 1 };
+ SDL_Rect rectA;
+ SDL_Rect rectB;
+ SDL_Rect result;
+ SDL_bool intersection;
+ int offsetX, offsetY;
+
+ /* intersecting pixels */
+ refRectA.x = SDLTest_RandomIntegerInRange(1, 100);
+ refRectA.y = SDLTest_RandomIntegerInRange(1, 100);
+ refRectB.x = refRectA.x;
+ refRectB.y = refRectA.y;
+ rectA = refRectA;
+ rectB = refRectB;
+ intersection = SDL_IntersectRect(&rectA, &rectB, &result);
+ _validateIntersectRectResults(intersection, SDL_TRUE, &rectA, &rectB, &refRectA, &refRectB, &result, &refRectA);
+
+ /* non-intersecting pixels cases */
+ for (offsetX = -1; offsetX <= 1; offsetX++) {
+ for (offsetY = -1; offsetY <= 1; offsetY++) {
+ if (offsetX != 0 || offsetY != 0) {
+ refRectA.x = SDLTest_RandomIntegerInRange(1, 100);
+ refRectA.y = SDLTest_RandomIntegerInRange(1, 100);
+ refRectB.x = refRectA.x;
+ refRectB.y = refRectA.y;
+ refRectB.x += offsetX;
+ refRectB.y += offsetY;
+ rectA = refRectA;
+ rectB = refRectB;
+ intersection = SDL_IntersectRect(&rectA, &rectB, &result);
+ _validateIntersectRectResults(intersection, SDL_FALSE, &rectA, &rectB, &refRectA, &refRectB, (SDL_Rect *)NULL, (SDL_Rect *)NULL);
+ }
+ }
+ }
+
+ return TEST_COMPLETED;
+}
+
+/* !
+ * \brief Tests SDL_IntersectRect() with empty rectangles
+ *
+ * \sa
+ * http://wiki.libsdl.org/moin.cgi/SDL_IntersectRect
+ */
+int rect_testIntersectRectEmpty (void *arg)
+{
+ SDL_Rect refRectA;
+ SDL_Rect refRectB;
+ SDL_Rect rectA;
+ SDL_Rect rectB;
+ SDL_Rect result;
+ SDL_bool intersection;
+ SDL_bool empty;
+
+ /* Rect A empty */
+ result.w = SDLTest_RandomIntegerInRange(1, 100);
+ result.h = SDLTest_RandomIntegerInRange(1, 100);
+ refRectA.x = SDLTest_RandomIntegerInRange(1, 100);
+ refRectA.y = SDLTest_RandomIntegerInRange(1, 100);
+ refRectA.w = SDLTest_RandomIntegerInRange(1, 100);
+ refRectA.h = SDLTest_RandomIntegerInRange(1, 100);
+ refRectB = refRectA;
+ refRectA.w = 0;
+ refRectA.h = 0;
+ rectA = refRectA;
+ rectB = refRectB;
+ intersection = SDL_IntersectRect(&rectA, &rectB, &result);
+ _validateIntersectRectResults(intersection, SDL_FALSE, &rectA, &rectB, &refRectA, &refRectB, (SDL_Rect *)NULL, (SDL_Rect *)NULL);
+ empty = (SDL_bool)SDL_RectEmpty(&result);
+ SDLTest_AssertCheck(empty == SDL_TRUE, "Validate result is empty Rect; got: %s", (empty == SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE");
+
+ /* Rect B empty */
+ result.w = SDLTest_RandomIntegerInRange(1, 100);
+ result.h = SDLTest_RandomIntegerInRange(1, 100);
+ refRectA.x = SDLTest_RandomIntegerInRange(1, 100);
+ refRectA.y = SDLTest_RandomIntegerInRange(1, 100);
+ refRectA.w = SDLTest_RandomIntegerInRange(1, 100);
+ refRectA.h = SDLTest_RandomIntegerInRange(1, 100);
+ refRectB = refRectA;
+ refRectB.w = 0;
+ refRectB.h = 0;
+ rectA = refRectA;
+ rectB = refRectB;
+ intersection = SDL_IntersectRect(&rectA, &rectB, &result);
+ _validateIntersectRectResults(intersection, SDL_FALSE, &rectA, &rectB, &refRectA, &refRectB, (SDL_Rect *)NULL, (SDL_Rect *)NULL);
+ empty = (SDL_bool)SDL_RectEmpty(&result);
+ SDLTest_AssertCheck(empty == SDL_TRUE, "Validate result is empty Rect; got: %s", (empty == SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE");
+
+ /* Rect A and B empty */
+ result.w = SDLTest_RandomIntegerInRange(1, 100);
+ result.h = SDLTest_RandomIntegerInRange(1, 100);
+ refRectA.x = SDLTest_RandomIntegerInRange(1, 100);
+ refRectA.y = SDLTest_RandomIntegerInRange(1, 100);
+ refRectA.w = SDLTest_RandomIntegerInRange(1, 100);
+ refRectA.h = SDLTest_RandomIntegerInRange(1, 100);
+ refRectB = refRectA;
+ refRectA.w = 0;
+ refRectA.h = 0;
+ refRectB.w = 0;
+ refRectB.h = 0;
+ rectA = refRectA;
+ rectB = refRectB;
+ intersection = SDL_IntersectRect(&rectA, &rectB, &result);
+ _validateIntersectRectResults(intersection, SDL_FALSE, &rectA, &rectB, &refRectA, &refRectB, (SDL_Rect *)NULL, (SDL_Rect *)NULL);
+ empty = (SDL_bool)SDL_RectEmpty(&result);
+ SDLTest_AssertCheck(empty == SDL_TRUE, "Validate result is empty Rect; got: %s", (empty == SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE");
+
+ return TEST_COMPLETED;
+}
+
+/* !
+ * \brief Negative tests against SDL_IntersectRect() with invalid parameters
+ *
+ * \sa
+ * http://wiki.libsdl.org/moin.cgi/SDL_IntersectRect
+ */
+int rect_testIntersectRectParam(void *arg)
+{
+ SDL_Rect rectA;
+ SDL_Rect rectB;
+ SDL_Rect result;
+ SDL_bool intersection;
+
+ /* invalid parameter combinations */
+ intersection = SDL_IntersectRect((SDL_Rect *)NULL, &rectB, &result);
+ SDLTest_AssertCheck(intersection == SDL_FALSE, "Check that function returns SDL_FALSE when 1st parameter is NULL");
+ intersection = SDL_IntersectRect(&rectA, (SDL_Rect *)NULL, &result);
+ SDLTest_AssertCheck(intersection == SDL_FALSE, "Check that function returns SDL_FALSE when 2st parameter is NULL");
+ intersection = SDL_IntersectRect(&rectA, &rectB, (SDL_Rect *)NULL);
+ SDLTest_AssertCheck(intersection == SDL_FALSE, "Check that function returns SDL_FALSE when 3st parameter is NULL");
+ intersection = SDL_IntersectRect((SDL_Rect *)NULL, (SDL_Rect *)NULL, &result);
+ SDLTest_AssertCheck(intersection == SDL_FALSE, "Check that function returns SDL_FALSE when 1st and 2nd parameters are NULL");
+ intersection = SDL_IntersectRect((SDL_Rect *)NULL, &rectB, (SDL_Rect *)NULL);
+ SDLTest_AssertCheck(intersection == SDL_FALSE, "Check that function returns SDL_FALSE when 1st and 3rd parameters are NULL ");
+ intersection = SDL_IntersectRect((SDL_Rect *)NULL, (SDL_Rect *)NULL, (SDL_Rect *)NULL);
+ SDLTest_AssertCheck(intersection == SDL_FALSE, "Check that function returns SDL_FALSE when all parameters are NULL");
+
+ return TEST_COMPLETED;
+}
+
+/* !
+ * \brief Tests SDL_HasIntersection() with B fully inside A
+ *
+ * \sa
+ * http://wiki.libsdl.org/moin.cgi/SDL_HasIntersection
+ */
+int rect_testHasIntersectionInside (void *arg)
+{
+ SDL_Rect refRectA = { 0, 0, 32, 32 };
+ SDL_Rect refRectB;
+ SDL_Rect rectA;
+ SDL_Rect rectB;
+ SDL_bool intersection;
+
+ /* rectB fully contained in rectA */
+ refRectB.x = 0;
+ refRectB.y = 0;
+ refRectB.w = SDLTest_RandomIntegerInRange(refRectA.x + 1, refRectA.x + refRectA.w - 1);
+ refRectB.h = SDLTest_RandomIntegerInRange(refRectA.y + 1, refRectA.y + refRectA.h - 1);
+ rectA = refRectA;
+ rectB = refRectB;
+ intersection = SDL_HasIntersection(&rectA, &rectB);
+ _validateHasIntersectionResults(intersection, SDL_TRUE, &rectA, &rectB, &refRectA, &refRectB);
+
+ return TEST_COMPLETED;
+}
+
+/* !
+ * \brief Tests SDL_HasIntersection() with B fully outside A
+ *
+ * \sa
+ * http://wiki.libsdl.org/moin.cgi/SDL_HasIntersection
+ */
+int rect_testHasIntersectionOutside (void *arg)
+{
+ SDL_Rect refRectA = { 0, 0, 32, 32 };
+ SDL_Rect refRectB;
+ SDL_Rect rectA;
+ SDL_Rect rectB;
+ SDL_bool intersection;
+
+ /* rectB fully outside of rectA */
+ refRectB.x = refRectA.x + refRectA.w + SDLTest_RandomIntegerInRange(1, 10);
+ refRectB.y = refRectA.y + refRectA.h + SDLTest_RandomIntegerInRange(1, 10);
+ refRectB.w = refRectA.w;
+ refRectB.h = refRectA.h;
+ rectA = refRectA;
+ rectB = refRectB;
+ intersection = SDL_HasIntersection(&rectA, &rectB);
+ _validateHasIntersectionResults(intersection, SDL_FALSE, &rectA, &rectB, &refRectA, &refRectB);
+
+ return TEST_COMPLETED;
+}
+
+/* !
+ * \brief Tests SDL_HasIntersection() with B partially intersecting A
+ *
+ * \sa
+ * http://wiki.libsdl.org/moin.cgi/SDL_HasIntersection
+ */
+int rect_testHasIntersectionPartial (void *arg)
+{
+ SDL_Rect refRectA = { 0, 0, 32, 32 };
+ SDL_Rect refRectB;
+ SDL_Rect rectA;
+ SDL_Rect rectB;
+ SDL_bool intersection;
+
+ /* rectB partially contained in rectA */
+ refRectB.x = SDLTest_RandomIntegerInRange(refRectA.x + 1, refRectA.x + refRectA.w - 1);
+ refRectB.y = SDLTest_RandomIntegerInRange(refRectA.y + 1, refRectA.y + refRectA.h - 1);
+ refRectB.w = refRectA.w;
+ refRectB.h = refRectA.h;
+ rectA = refRectA;
+ rectB = refRectB;
+ intersection = SDL_HasIntersection(&rectA, &rectB);
+ _validateHasIntersectionResults(intersection, SDL_TRUE, &rectA, &rectB, &refRectA, &refRectB);
+
+ /* rectB right edge */
+ refRectB.x = rectA.w - 1;
+ refRectB.y = rectA.y;
+ refRectB.w = SDLTest_RandomIntegerInRange(1, refRectA.w - 1);
+ refRectB.h = SDLTest_RandomIntegerInRange(1, refRectA.h - 1);
+ rectA = refRectA;
+ rectB = refRectB;
+ intersection = SDL_HasIntersection(&rectA, &rectB);
+ _validateHasIntersectionResults(intersection, SDL_TRUE, &rectA, &rectB, &refRectA, &refRectB);
+
+ /* rectB left edge */
+ refRectB.x = 1 - rectA.w;
+ refRectB.y = rectA.y;
+ refRectB.w = refRectA.w;
+ refRectB.h = SDLTest_RandomIntegerInRange(1, refRectA.h - 1);
+ rectA = refRectA;
+ rectB = refRectB;
+ intersection = SDL_HasIntersection(&rectA, &rectB);
+ _validateHasIntersectionResults(intersection, SDL_TRUE, &rectA, &rectB, &refRectA, &refRectB);
+
+ /* rectB bottom edge */
+ refRectB.x = rectA.x;
+ refRectB.y = rectA.h - 1;
+ refRectB.w = SDLTest_RandomIntegerInRange(1, refRectA.w - 1);
+ refRectB.h = SDLTest_RandomIntegerInRange(1, refRectA.h - 1);
+ rectA = refRectA;
+ rectB = refRectB;
+ intersection = SDL_HasIntersection(&rectA, &rectB);
+ _validateHasIntersectionResults(intersection, SDL_TRUE, &rectA, &rectB, &refRectA, &refRectB);
+
+ /* rectB top edge */
+ refRectB.x = rectA.x;
+ refRectB.y = 1 - rectA.h;
+ refRectB.w = SDLTest_RandomIntegerInRange(1, refRectA.w - 1);
+ refRectB.h = rectA.h;
+ rectA = refRectA;
+ rectB = refRectB;
+ intersection = SDL_HasIntersection(&rectA, &rectB);
+ _validateHasIntersectionResults(intersection, SDL_TRUE, &rectA, &rectB, &refRectA, &refRectB);
+
+ return TEST_COMPLETED;
+}
+
+/* !
+ * \brief Tests SDL_HasIntersection() with 1x1 pixel sized rectangles
+ *
+ * \sa
+ * http://wiki.libsdl.org/moin.cgi/SDL_HasIntersection
+ */
+int rect_testHasIntersectionPoint (void *arg)
+{
+ SDL_Rect refRectA = { 0, 0, 1, 1 };
+ SDL_Rect refRectB = { 0, 0, 1, 1 };
+ SDL_Rect rectA;
+ SDL_Rect rectB;
+ SDL_bool intersection;
+ int offsetX, offsetY;
+
+ /* intersecting pixels */
+ refRectA.x = SDLTest_RandomIntegerInRange(1, 100);
+ refRectA.y = SDLTest_RandomIntegerInRange(1, 100);
+ refRectB.x = refRectA.x;
+ refRectB.y = refRectA.y;
+ rectA = refRectA;
+ rectB = refRectB;
+ intersection = SDL_HasIntersection(&rectA, &rectB);
+ _validateHasIntersectionResults(intersection, SDL_TRUE, &rectA, &rectB, &refRectA, &refRectB);
+
+ /* non-intersecting pixels cases */
+ for (offsetX = -1; offsetX <= 1; offsetX++) {
+ for (offsetY = -1; offsetY <= 1; offsetY++) {
+ if (offsetX != 0 || offsetY != 0) {
+ refRectA.x = SDLTest_RandomIntegerInRange(1, 100);
+ refRectA.y = SDLTest_RandomIntegerInRange(1, 100);
+ refRectB.x = refRectA.x;
+ refRectB.y = refRectA.y;
+ refRectB.x += offsetX;
+ refRectB.y += offsetY;
+ rectA = refRectA;
+ rectB = refRectB;
+ intersection = SDL_HasIntersection(&rectA, &rectB);
+ _validateHasIntersectionResults(intersection, SDL_FALSE, &rectA, &rectB, &refRectA, &refRectB);
+ }
+ }
+ }
+
+ return TEST_COMPLETED;
+}
+
+/* !
+ * \brief Tests SDL_HasIntersection() with empty rectangles
+ *
+ * \sa
+ * http://wiki.libsdl.org/moin.cgi/SDL_HasIntersection
+ */
+int rect_testHasIntersectionEmpty (void *arg)
+{
+ SDL_Rect refRectA;
+ SDL_Rect refRectB;
+ SDL_Rect rectA;
+ SDL_Rect rectB;
+ SDL_bool intersection;
+
+ /* Rect A empty */
+ refRectA.x = SDLTest_RandomIntegerInRange(1, 100);
+ refRectA.y = SDLTest_RandomIntegerInRange(1, 100);
+ refRectA.w = SDLTest_RandomIntegerInRange(1, 100);
+ refRectA.h = SDLTest_RandomIntegerInRange(1, 100);
+ refRectB = refRectA;
+ refRectA.w = 0;
+ refRectA.h = 0;
+ rectA = refRectA;
+ rectB = refRectB;
+ intersection = SDL_HasIntersection(&rectA, &rectB);
+ _validateHasIntersectionResults(intersection, SDL_FALSE, &rectA, &rectB, &refRectA, &refRectB);
+
+ /* Rect B empty */
+ refRectA.x = SDLTest_RandomIntegerInRange(1, 100);
+ refRectA.y = SDLTest_RandomIntegerInRange(1, 100);
+ refRectA.w = SDLTest_RandomIntegerInRange(1, 100);
+ refRectA.h = SDLTest_RandomIntegerInRange(1, 100);
+ refRectB = refRectA;
+ refRectB.w = 0;
+ refRectB.h = 0;
+ rectA = refRectA;
+ rectB = refRectB;
+ intersection = SDL_HasIntersection(&rectA, &rectB);
+ _validateHasIntersectionResults(intersection, SDL_FALSE, &rectA, &rectB, &refRectA, &refRectB);
+
+ /* Rect A and B empty */
+ refRectA.x = SDLTest_RandomIntegerInRange(1, 100);
+ refRectA.y = SDLTest_RandomIntegerInRange(1, 100);
+ refRectA.w = SDLTest_RandomIntegerInRange(1, 100);
+ refRectA.h = SDLTest_RandomIntegerInRange(1, 100);
+ refRectB = refRectA;
+ refRectA.w = 0;
+ refRectA.h = 0;
+ refRectB.w = 0;
+ refRectB.h = 0;
+ rectA = refRectA;
+ rectB = refRectB;
+ intersection = SDL_HasIntersection(&rectA, &rectB);
+ _validateHasIntersectionResults(intersection, SDL_FALSE, &rectA, &rectB, &refRectA, &refRectB);
+
+ return TEST_COMPLETED;
+}
+
+/* !
+ * \brief Negative tests against SDL_HasIntersection() with invalid parameters
+ *
+ * \sa
+ * http://wiki.libsdl.org/moin.cgi/SDL_HasIntersection
+ */
+int rect_testHasIntersectionParam(void *arg)
+{
+ SDL_Rect rectA;
+ SDL_Rect rectB;
+ SDL_bool intersection;
+
+ /* invalid parameter combinations */
+ intersection = SDL_HasIntersection((SDL_Rect *)NULL, &rectB);
+ SDLTest_AssertCheck(intersection == SDL_FALSE, "Check that function returns SDL_FALSE when 1st parameter is NULL");
+ intersection = SDL_HasIntersection(&rectA, (SDL_Rect *)NULL);
+ SDLTest_AssertCheck(intersection == SDL_FALSE, "Check that function returns SDL_FALSE when 2st parameter is NULL");
+ intersection = SDL_HasIntersection((SDL_Rect *)NULL, (SDL_Rect *)NULL);
+ SDLTest_AssertCheck(intersection == SDL_FALSE, "Check that function returns SDL_FALSE when all parameters are NULL");
+
+ return TEST_COMPLETED;
+}
+
+/* !
+ * \brief Test SDL_EnclosePoints() without clipping
+ *
+ * \sa
+ * http://wiki.libsdl.org/moin.cgi/SDL_EnclosePoints
+ */
+int rect_testEnclosePoints(void *arg)
+{
+ const int numPoints = 16;
+ SDL_Point refPoints[16];
+ SDL_Point points[16];
+ SDL_Rect result;
+ SDL_bool anyEnclosed;
+ SDL_bool anyEnclosedNoResult;
+ SDL_bool expectedEnclosed = SDL_TRUE;
+ int newx, newy;
+ int minx = 0, maxx = 0, miny = 0, maxy = 0;
+ int i;
+
+ /* Create input data, tracking result */
+ for (i=0; i<numPoints; i++) {
+ newx = SDLTest_RandomIntegerInRange(-1024, 1024);
+ newy = SDLTest_RandomIntegerInRange(-1024, 1024);
+ refPoints[i].x = newx;
+ refPoints[i].y = newy;
+ points[i].x = newx;
+ points[i].y = newy;
+ if (i==0) {
+ minx = newx;
+ maxx = newx;
+ miny = newy;
+ maxy = newy;
+ } else {
+ if (newx < minx) minx = newx;
+ if (newx > maxx) maxx = newx;
+ if (newy < miny) miny = newy;
+ if (newy > maxy) maxy = newy;
+ }
+ }
+
+ /* Call function and validate - special case: no result requested */
+ anyEnclosedNoResult = SDL_EnclosePoints((const SDL_Point *)points, numPoints, (const SDL_Rect *)NULL, (SDL_Rect *)NULL);
+ SDLTest_AssertCheck(expectedEnclosed==anyEnclosedNoResult,
+ "Check expected return value %s, got %s",
+ (expectedEnclosed==SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE",
+ (anyEnclosedNoResult==SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE");
+ for (i=0; i<numPoints; i++) {
+ SDLTest_AssertCheck(refPoints[i].x==points[i].x && refPoints[i].y==points[i].y,
+ "Check that source point %i was not modified: expected (%i,%i) actual (%i,%i)",
+ i, refPoints[i].x, refPoints[i].y, points[i].x, points[i].y);
+ }
+
+ /* Call function and validate */
+ anyEnclosed = SDL_EnclosePoints((const SDL_Point *)points, numPoints, (const SDL_Rect *)NULL, &result);
+ SDLTest_AssertCheck(expectedEnclosed==anyEnclosed,
+ "Check return value %s, got %s",
+ (expectedEnclosed==SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE",
+ (anyEnclosed==SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE");
+ for (i=0; i<numPoints; i++) {
+ SDLTest_AssertCheck(refPoints[i].x==points[i].x && refPoints[i].y==points[i].y,
+ "Check that source point %i was not modified: expected (%i,%i) actual (%i,%i)",
+ i, refPoints[i].x, refPoints[i].y, points[i].x, points[i].y);
+ }
+ SDLTest_AssertCheck(result.x==minx && result.y==miny && result.w==(maxx - minx + 1) && result.h==(maxy - miny + 1),
+ "Resulting enclosing rectangle incorrect: expected (%i,%i - %i,%i), actual (%i,%i - %i,%i)",
+ minx, miny, maxx, maxy, result.x, result.y, result.x + result.w - 1, result.y + result.h - 1);
+
+ return TEST_COMPLETED;
+}
+
+/* !
+ * \brief Test SDL_EnclosePoints() with repeated input points
+ *
+ * \sa
+ * http://wiki.libsdl.org/moin.cgi/SDL_EnclosePoints
+ */
+int rect_testEnclosePointsRepeatedInput(void *arg)
+{
+ const int numPoints = 8;
+ const int halfPoints = 4;
+ SDL_Point refPoints[8];
+ SDL_Point points[8];
+ SDL_Rect result;
+ SDL_bool anyEnclosed;
+ SDL_bool anyEnclosedNoResult;
+ SDL_bool expectedEnclosed = SDL_TRUE;
+ int newx, newy;
+ int minx = 0, maxx = 0, miny = 0, maxy = 0;
+ int i;
+
+ /* Create input data, tracking result */
+ for (i=0; i<numPoints; i++) {
+ if (i < halfPoints) {
+ newx = SDLTest_RandomIntegerInRange(-1024, 1024);
+ newy = SDLTest_RandomIntegerInRange(-1024, 1024);
+ } else {
+ newx = refPoints[i-halfPoints].x;
+ newy = refPoints[i-halfPoints].y;
+ }
+ refPoints[i].x = newx;
+ refPoints[i].y = newy;
+ points[i].x = newx;
+ points[i].y = newy;
+ if (i==0) {
+ minx = newx;
+ maxx = newx;
+ miny = newy;
+ maxy = newy;
+ } else {
+ if (newx < minx) minx = newx;
+ if (newx > maxx) maxx = newx;
+ if (newy < miny) miny = newy;
+ if (newy > maxy) maxy = newy;
+ }
+ }
+
+ /* Call function and validate - special case: no result requested */
+ anyEnclosedNoResult = SDL_EnclosePoints((const SDL_Point *)points, numPoints, (const SDL_Rect *)NULL, (SDL_Rect *)NULL);
+ SDLTest_AssertCheck(expectedEnclosed==anyEnclosedNoResult,
+ "Check return value %s, got %s",
+ (expectedEnclosed==SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE",
+ (anyEnclosedNoResult==SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE");
+ for (i=0; i<numPoints; i++) {
+ SDLTest_AssertCheck(refPoints[i].x==points[i].x && refPoints[i].y==points[i].y,
+ "Check that source point %i was not modified: expected (%i,%i) actual (%i,%i)",
+ i, refPoints[i].x, refPoints[i].y, points[i].x, points[i].y);
+ }
+
+ /* Call function and validate */
+ anyEnclosed = SDL_EnclosePoints((const SDL_Point *)points, numPoints, (const SDL_Rect *)NULL, &result);
+ SDLTest_AssertCheck(expectedEnclosed==anyEnclosed,
+ "Check return value %s, got %s",
+ (expectedEnclosed==SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE",
+ (anyEnclosed==SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE");
+ for (i=0; i<numPoints; i++) {
+ SDLTest_AssertCheck(refPoints[i].x==points[i].x && refPoints[i].y==points[i].y,
+ "Check that source point %i was not modified: expected (%i,%i) actual (%i,%i)",
+ i, refPoints[i].x, refPoints[i].y, points[i].x, points[i].y);
+ }
+ SDLTest_AssertCheck(result.x==minx && result.y==miny && result.w==(maxx - minx + 1) && result.h==(maxy - miny + 1),
+ "Check resulting enclosing rectangle: expected (%i,%i - %i,%i), actual (%i,%i - %i,%i)",
+ minx, miny, maxx, maxy, result.x, result.y, result.x + result.w - 1, result.y + result.h - 1);
+
+ return TEST_COMPLETED;
+}
+
+/* !
+ * \brief Test SDL_EnclosePoints() with clipping
+ *
+ * \sa
+ * http://wiki.libsdl.org/moin.cgi/SDL_EnclosePoints
+ */
+int rect_testEnclosePointsWithClipping(void *arg)
+{
+ const int numPoints = 16;
+ SDL_Point refPoints[16];
+ SDL_Point points[16];
+ SDL_Rect refClip;
+ SDL_Rect clip;
+ SDL_Rect result;
+ SDL_bool anyEnclosed;
+ SDL_bool anyEnclosedNoResult;
+ SDL_bool expectedEnclosed = SDL_FALSE;
+ int newx, newy;
+ int minx = 0, maxx = 0, miny = 0, maxy = 0;
+ int i;
+
+ /* Setup clipping rectangle */
+ refClip.x = SDLTest_RandomIntegerInRange(-1024, 1024);
+ refClip.y = SDLTest_RandomIntegerInRange(-1024, 1024);
+ refClip.w = SDLTest_RandomIntegerInRange(1, 1024);
+ refClip.h = SDLTest_RandomIntegerInRange(1, 1024);
+
+ /* Create input data, tracking result */
+ for (i=0; i<numPoints; i++) {
+ newx = SDLTest_RandomIntegerInRange(-1024, 1024);
+ newy = SDLTest_RandomIntegerInRange(-1024, 1024);
+ refPoints[i].x = newx;
+ refPoints[i].y = newy;
+ points[i].x = newx;
+ points[i].y = newy;
+ if ((newx>=refClip.x) && (newx<(refClip.x + refClip.w)) &&
+ (newy>=refClip.y) && (newy<(refClip.y + refClip.h))) {
+ if (expectedEnclosed==SDL_FALSE) {
+ minx = newx;
+ maxx = newx;
+ miny = newy;
+ maxy = newy;
+ } else {
+ if (newx < minx) minx = newx;
+ if (newx > maxx) maxx = newx;
+ if (newy < miny) miny = newy;
+ if (newy > maxy) maxy = newy;
+ }
+ expectedEnclosed = SDL_TRUE;
+ }
+ }
+
+ /* Call function and validate - special case: no result requested */
+ clip = refClip;
+ anyEnclosedNoResult = SDL_EnclosePoints((const SDL_Point *)points, numPoints, (const SDL_Rect *)&clip, (SDL_Rect *)NULL);
+ SDLTest_AssertCheck(expectedEnclosed==anyEnclosedNoResult,
+ "Expected return value %s, got %s",
+ (expectedEnclosed==SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE",
+ (anyEnclosedNoResult==SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE");
+ for (i=0; i<numPoints; i++) {
+ SDLTest_AssertCheck(refPoints[i].x==points[i].x && refPoints[i].y==points[i].y,
+ "Check that source point %i was not modified: expected (%i,%i) actual (%i,%i)",
+ i, refPoints[i].x, refPoints[i].y, points[i].x, points[i].y);
+ }
+ SDLTest_AssertCheck(refClip.x==clip.x && refClip.y==clip.y && refClip.w==clip.w && refClip.h==clip.h,
+ "Check that source clipping rectangle was not modified");
+
+ /* Call function and validate */
+ anyEnclosed = SDL_EnclosePoints((const SDL_Point *)points, numPoints, (const SDL_Rect *)&clip, &result);
+ SDLTest_AssertCheck(expectedEnclosed==anyEnclosed,
+ "Check return value %s, got %s",
+ (expectedEnclosed==SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE",
+ (anyEnclosed==SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE");
+ for (i=0; i<numPoints; i++) {
+ SDLTest_AssertCheck(refPoints[i].x==points[i].x && refPoints[i].y==points[i].y,
+ "Check that source point %i was not modified: expected (%i,%i) actual (%i,%i)",
+ i, refPoints[i].x, refPoints[i].y, points[i].x, points[i].y);
+ }
+ SDLTest_AssertCheck(refClip.x==clip.x && refClip.y==clip.y && refClip.w==clip.w && refClip.h==clip.h,
+ "Check that source clipping rectangle was not modified");
+ if (expectedEnclosed==SDL_TRUE) {
+ SDLTest_AssertCheck(result.x==minx && result.y==miny && result.w==(maxx - minx + 1) && result.h==(maxy - miny + 1),
+ "Check resulting enclosing rectangle: expected (%i,%i - %i,%i), actual (%i,%i - %i,%i)",
+ minx, miny, maxx, maxy, result.x, result.y, result.x + result.w - 1, result.y + result.h - 1);
+ }
+
+ /* Empty clipping rectangle */
+ clip.w = 0;
+ clip.h = 0;
+ expectedEnclosed = SDL_FALSE;
+ anyEnclosed = SDL_EnclosePoints((const SDL_Point *)points, numPoints, (const SDL_Rect *)&clip, &result);
+ SDLTest_AssertCheck(expectedEnclosed==anyEnclosed,
+ "Check return value %s, got %s",
+ (expectedEnclosed==SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE",
+ (anyEnclosed==SDL_TRUE) ? "SDL_TRUE" : "SDL_FALSE");
+
+ return TEST_COMPLETED;
+}
+
+/* !
+ * \brief Negative tests against SDL_EnclosePoints() with invalid parameters
+ *
+ * \sa
+ * http://wiki.libsdl.org/moin.cgi/SDL_EnclosePoints
+ */
+int rect_testEnclosePointsParam(void *arg)
+{
+ SDL_Point points[1];
+ int count;
+ SDL_Rect clip;
+ SDL_Rect result;
+ SDL_bool anyEnclosed;
+
+ /* invalid parameter combinations */
+ anyEnclosed = SDL_EnclosePoints((SDL_Point *)NULL, 1, (const SDL_Rect *)&clip, &result);
+ SDLTest_AssertCheck(anyEnclosed == SDL_FALSE, "Check that functions returns SDL_FALSE when 1st parameter is NULL");
+ anyEnclosed = SDL_EnclosePoints((const SDL_Point *)points, 0, (const SDL_Rect *)&clip, &result);
+ SDLTest_AssertCheck(anyEnclosed == SDL_FALSE, "Check that functions returns SDL_FALSE when 2nd parameter is 0");
+ count = SDLTest_RandomIntegerInRange(-100, -1);
+ anyEnclosed = SDL_EnclosePoints((const SDL_Point *)points, count, (const SDL_Rect *)&clip, &result);
+ SDLTest_AssertCheck(anyEnclosed == SDL_FALSE, "Check that functions returns SDL_FALSE when 2nd parameter is %i (negative)", count);
+ anyEnclosed = SDL_EnclosePoints((SDL_Point *)NULL, 0, (const SDL_Rect *)&clip, &result);
+ SDLTest_AssertCheck(anyEnclosed == SDL_FALSE, "Check that functions returns SDL_FALSE when 1st parameter is NULL and 2nd parameter was 0");
+
+ return TEST_COMPLETED;
+}
+
+/* !
+ * \brief Tests SDL_UnionRect() where rect B is outside rect A
+ *
+ * \sa
+ * http://wiki.libsdl.org/moin.cgi/SDL_UnionRect
+ */
+int rect_testUnionRectOutside(void *arg)
+{
+ SDL_Rect refRectA, refRectB;
+ SDL_Rect rectA, rectB;
+ SDL_Rect expectedResult;
+ SDL_Rect result;
+ int minx, maxx, miny, maxy;
+ int dx, dy;
+
+ /* Union 1x1 outside */
+ for (dx = -1; dx < 2; dx++) {
+ for (dy = -1; dy < 2; dy++) {
+ if ((dx != 0) || (dy != 0)) {
+ refRectA.x=SDLTest_RandomIntegerInRange(-1024, 1024);
+ refRectA.y=SDLTest_RandomIntegerInRange(-1024, 1024);
+ refRectA.w=1;
+ refRectA.h=1;
+ refRectB.x=SDLTest_RandomIntegerInRange(-1024, 1024) + dx*2048;
+ refRectB.y=SDLTest_RandomIntegerInRange(-1024, 1024) + dx*2048;
+ refRectB.w=1;
+ refRectB.h=1;
+ minx = (refRectA.x<refRectB.x) ? refRectA.x : refRectB.x;
+ maxx = (refRectA.x>refRectB.x) ? refRectA.x : refRectB.x;
+ miny = (refRectA.y<refRectB.y) ? refRectA.y : refRectB.y;
+ maxy = (refRectA.y>refRectB.y) ? refRectA.y : refRectB.y;
+ expectedResult.x = minx;
+ expectedResult.y = miny;
+ expectedResult.w = maxx - minx + 1;
+ expectedResult.h = maxy - miny + 1;
+ rectA = refRectA;
+ rectB = refRectB;
+ SDL_UnionRect(&rectA, &rectB, &result);
+ _validateUnionRectResults(&rectA, &rectB, &refRectA, &refRectB, &result, &expectedResult);
+ }
+ }
+ }
+
+ /* Union outside overlap */
+ for (dx = -1; dx < 2; dx++) {
+ for (dy = -1; dy < 2; dy++) {
+ if ((dx != 0) || (dy != 0)) {
+ refRectA.x=SDLTest_RandomIntegerInRange(-1024, 1024);
+ refRectA.y=SDLTest_RandomIntegerInRange(-1024, 1024);
+ refRectA.w=SDLTest_RandomIntegerInRange(256, 512);
+ refRectA.h=SDLTest_RandomIntegerInRange(256, 512);
+ refRectB.x=refRectA.x + 1 + dx*2;
+ refRectB.y=refRectA.y + 1 + dy*2;
+ refRectB.w=refRectA.w - 2;
+ refRectB.h=refRectA.h - 2;
+ expectedResult = refRectA;
+ if (dx == -1) expectedResult.x--;
+ if (dy == -1) expectedResult.y--;
+ if ((dx == 1) || (dx == -1)) expectedResult.w++;
+ if ((dy == 1) || (dy == -1)) expectedResult.h++;
+ rectA = refRectA;
+ rectB = refRectB;
+ SDL_UnionRect(&rectA, &rectB, &result);
+ _validateUnionRectResults(&rectA, &rectB, &refRectA, &refRectB, &result, &expectedResult);
+ }
+ }
+ }
+
+ return TEST_COMPLETED;
+}
+
+/* !
+ * \brief Tests SDL_UnionRect() where rect A or rect B are empty
+ *
+ * \sa
+ * http://wiki.libsdl.org/moin.cgi/SDL_UnionRect
+ */
+int rect_testUnionRectEmpty(void *arg)
+{
+ SDL_Rect refRectA, refRectB;
+ SDL_Rect rectA, rectB;
+ SDL_Rect expectedResult;
+ SDL_Rect result;
+
+ /* A empty */
+ refRectA.x=SDLTest_RandomIntegerInRange(-1024, 1024);
+ refRectA.y=SDLTest_RandomIntegerInRange(-1024, 1024);
+ refRectA.w=0;
+ refRectA.h=0;
+ refRectB.x=SDLTest_RandomIntegerInRange(-1024, 1024);
+ refRectB.y=SDLTest_RandomIntegerInRange(-1024, 1024);
+ refRectB.w=SDLTest_RandomIntegerInRange(1, 1024);
+ refRectB.h=SDLTest_RandomIntegerInRange(1, 1024);
+ expectedResult = refRectB;
+ rectA = refRectA;
+ rectB = refRectB;
+ SDL_UnionRect(&rectA, &rectB, &result);
+ _validateUnionRectResults(&rectA, &rectB, &refRectA, &refRectB, &result, &expectedResult);
+
+ /* B empty */
+ refRectA.x=SDLTest_RandomIntegerInRange(-1024, 1024);
+ refRectA.y=SDLTest_RandomIntegerInRange(-1024, 1024);
+ refRectA.w=SDLTest_RandomIntegerInRange(1, 1024);
+ refRectA.h=SDLTest_RandomIntegerInRange(1, 1024);
+ refRectB.x=SDLTest_RandomIntegerInRange(-1024, 1024);
+ refRectB.y=SDLTest_RandomIntegerInRange(-1024, 1024);
+ refRectB.w=0;
+ refRectB.h=0;
+ expectedResult = refRectA;
+ rectA = refRectA;
+ rectB = refRectB;
+ SDL_UnionRect(&rectA, &rectB, &result);
+ _validateUnionRectResults(&rectA, &rectB, &refRectA, &refRectB, &result, &expectedResult);
+
+ /* A and B empty */
+ refRectA.x=SDLTest_RandomIntegerInRange(-1024, 1024);
+ refRectA.y=SDLTest_RandomIntegerInRange(-1024, 1024);
+ refRectA.w=0;
+ refRectA.h=0;
+ refRectB.x=SDLTest_RandomIntegerInRange(-1024, 1024);
+ refRectB.y=SDLTest_RandomIntegerInRange(-1024, 1024);
+ refRectB.w=0;
+ refRectB.h=0;
+ result.x=0;
+ result.y=0;
+ result.w=0;
+ result.h=0;
+ expectedResult = result;
+ rectA = refRectA;
+ rectB = refRectB;
+ SDL_UnionRect(&rectA, &rectB, &result);
+ _validateUnionRectResults(&rectA, &rectB, &refRectA, &refRectB, &result, &expectedResult);
+
+ return TEST_COMPLETED;
+}
+
+/* !
+ * \brief Tests SDL_UnionRect() where rect B is inside rect A
+ *
+ * \sa
+ * http://wiki.libsdl.org/moin.cgi/SDL_UnionRect
+ */
+int rect_testUnionRectInside(void *arg)
+{
+ SDL_Rect refRectA, refRectB;
+ SDL_Rect rectA, rectB;
+ SDL_Rect expectedResult;
+ SDL_Rect result;
+ int dx, dy;
+
+ /* Union 1x1 with itself */
+ refRectA.x=SDLTest_RandomIntegerInRange(-1024, 1024);
+ refRectA.y=SDLTest_RandomIntegerInRange(-1024, 1024);
+ refRectA.w=1;
+ refRectA.h=1;
+ expectedResult = refRectA;
+ rectA = refRectA;
+ SDL_UnionRect(&rectA, &rectA, &result);
+ _validateUnionRectResults(&rectA, &rectA, &refRectA, &refRectA, &result, &expectedResult);
+
+ /* Union 1x1 somewhere inside */
+ refRectA.x=SDLTest_RandomIntegerInRange(-1024, 1024);
+ refRectA.y=SDLTest_RandomIntegerInRange(-1024, 1024);
+ refRectA.w=SDLTest_RandomIntegerInRange(256, 1024);
+ refRectA.h=SDLTest_RandomIntegerInRange(256, 1024);
+ refRectB.x=refRectA.x + 1 + SDLTest_RandomIntegerInRange(1, refRectA.w - 2);
+ refRectB.y=refRectA.y + 1 + SDLTest_RandomIntegerInRange(1, refRectA.h - 2);
+ refRectB.w=1;
+ refRectB.h=1;
+ expectedResult = refRectA;
+ rectA = refRectA;
+ rectB = refRectB;
+ SDL_UnionRect(&rectA, &rectB, &result);
+ _validateUnionRectResults(&rectA, &rectB, &refRectA, &refRectB, &result, &expectedResult);
+
+ /* Union inside with edges modified */
+ for (dx = -1; dx < 2; dx++) {
+ for (dy = -1; dy < 2; dy++) {
+ if ((dx != 0) || (dy != 0)) {
+ refRectA.x=SDLTest_RandomIntegerInRange(-1024, 1024);
+ refRectA.y=SDLTest_RandomIntegerInRange(-1024, 1024);
+ refRectA.w=SDLTest_RandomIntegerInRange(256, 1024);
+ refRectA.h=SDLTest_RandomIntegerInRange(256, 1024);
+ refRectB = refRectA;
+ if (dx == -1) refRectB.x++;
+ if ((dx == 1) || (dx == -1)) refRectB.w--;
+ if (dy == -1) refRectB.y++;
+ if ((dy == 1) || (dy == -1)) refRectB.h--;
+ expectedResult = refRectA;
+ rectA = refRectA;
+ rectB = refRectB;
+ SDL_UnionRect(&rectA, &rectB, &result);
+ _validateUnionRectResults(&rectA, &rectB, &refRectA, &refRectB, &result, &expectedResult);
+ }
+ }
+ }
+
+ return TEST_COMPLETED;
+}
+
+/* !
+ * \brief Negative tests against SDL_UnionRect() with invalid parameters
+ *
+ * \sa
+ * http://wiki.libsdl.org/moin.cgi/SDL_UnionRect
+ */
+int rect_testUnionRectParam(void *arg)
+{
+ SDL_Rect rectA, rectB;
+ SDL_Rect result;
+
+ /* invalid parameter combinations */
+ SDL_UnionRect((SDL_Rect *)NULL, &rectB, &result);
+ SDLTest_AssertPass("Check that function returns when 1st parameter is NULL");
+ SDL_UnionRect(&rectA, (SDL_Rect *)NULL, &result);
+ SDLTest_AssertPass("Check that function returns when 2nd parameter is NULL");
+ SDL_UnionRect(&rectA, &rectB, (SDL_Rect *)NULL);
+ SDLTest_AssertPass("Check that function returns when 3rd parameter is NULL");
+ SDL_UnionRect((SDL_Rect *)NULL, &rectB, (SDL_Rect *)NULL);
+ SDLTest_AssertPass("Check that function returns when 1st and 3rd parameter are NULL");
+ SDL_UnionRect(&rectA, (SDL_Rect *)NULL, (SDL_Rect *)NULL);
+ SDLTest_AssertPass("Check that function returns when 2nd and 3rd parameter are NULL");
+ SDL_UnionRect((SDL_Rect *)NULL, (SDL_Rect *)NULL, (SDL_Rect *)NULL);
+ SDLTest_AssertPass("Check that function returns when all parameters are NULL");
+
+ return TEST_COMPLETED;
+}
+
+/* !
+ * \brief Tests SDL_RectEmpty() with various inputs
+ *
+ * \sa
+ * http://wiki.libsdl.org/moin.cgi/SDL_RectEmpty
+ */
+int rect_testRectEmpty(void *arg)
+{
+ SDL_Rect refRect;
+ SDL_Rect rect;
+ SDL_bool expectedResult;
+ SDL_bool result;
+ int w, h;
+
+ /* Non-empty case */
+ refRect.x=SDLTest_RandomIntegerInRange(-1024, 1024);
+ refRect.y=SDLTest_RandomIntegerInRange(-1024, 1024);
+ refRect.w=SDLTest_RandomIntegerInRange(256, 1024);
+ refRect.h=SDLTest_RandomIntegerInRange(256, 1024);
+ expectedResult = SDL_FALSE;
+ rect = refRect;
+ result = (SDL_bool)SDL_RectEmpty((const SDL_Rect *)&rect);
+ _validateRectEmptyResults(result, expectedResult, &rect, &refRect);
+
+ /* Empty case */
+ for (w=-1; w<2; w++) {
+ for (h=-1; h<2; h++) {
+ if ((w != 1) || (h != 1)) {
+ refRect.x=SDLTest_RandomIntegerInRange(-1024, 1024);
+ refRect.y=SDLTest_RandomIntegerInRange(-1024, 1024);
+ refRect.w=w;
+ refRect.h=h;
+ expectedResult = SDL_TRUE;
+ rect = refRect;
+ result = (SDL_bool)SDL_RectEmpty((const SDL_Rect *)&rect);
+ _validateRectEmptyResults(result, expectedResult, &rect, &refRect);
+ }
+ }
+ }
+
+ return TEST_COMPLETED;
+}
+
+/* !
+ * \brief Negative tests against SDL_RectEmpty() with invalid parameters
+ *
+ * \sa
+ * http://wiki.libsdl.org/moin.cgi/SDL_RectEmpty
+ */
+int rect_testRectEmptyParam(void *arg)
+{
+ SDL_bool result;
+
+ /* invalid parameter combinations */
+ result = (SDL_bool)SDL_RectEmpty((const SDL_Rect *)NULL);
+ SDLTest_AssertCheck(result == SDL_TRUE, "Check that function returns TRUE when 1st parameter is NULL");
+
+ return TEST_COMPLETED;
+}
+
+/* !
+ * \brief Tests SDL_RectEquals() with various inputs
+ *
+ * \sa
+ * http://wiki.libsdl.org/moin.cgi/SDL_RectEquals
+ */
+int rect_testRectEquals(void *arg)
+{
+ SDL_Rect refRectA;
+ SDL_Rect refRectB;
+ SDL_Rect rectA;
+ SDL_Rect rectB;
+ SDL_bool expectedResult;
+ SDL_bool result;
+
+ /* Equals */
+ refRectA.x=SDLTest_RandomIntegerInRange(-1024, 1024);
+ refRectA.y=SDLTest_RandomIntegerInRange(-1024, 1024);
+ refRectA.w=SDLTest_RandomIntegerInRange(1, 1024);
+ refRectA.h=SDLTest_RandomIntegerInRange(1, 1024);
+ refRectB = refRectA;
+ expectedResult = SDL_TRUE;
+ rectA = refRectA;
+ rectB = refRectB;
+ result = (SDL_bool)SDL_RectEquals((const SDL_Rect *)&rectA, (const SDL_Rect *)&rectB);
+ _validateRectEqualsResults(result, expectedResult, &rectA, &rectB, &refRectA, &refRectB);
+
+ return TEST_COMPLETED;
+}
+
+/* !
+ * \brief Negative tests against SDL_RectEquals() with invalid parameters
+ *
+ * \sa
+ * http://wiki.libsdl.org/moin.cgi/SDL_RectEquals
+ */
+int rect_testRectEqualsParam(void *arg)
+{
+ SDL_Rect rectA;
+ SDL_Rect rectB;
+ SDL_bool result;
+
+ /* data setup */
+ rectA.x=SDLTest_RandomIntegerInRange(-1024, 1024);
+ rectA.y=SDLTest_RandomIntegerInRange(-1024, 1024);
+ rectA.w=SDLTest_RandomIntegerInRange(1, 1024);
+ rectA.h=SDLTest_RandomIntegerInRange(1, 1024);
+ rectB.x=SDLTest_RandomIntegerInRange(-1024, 1024);
+ rectB.y=SDLTest_RandomIntegerInRange(-1024, 1024);
+ rectB.w=SDLTest_RandomIntegerInRange(1, 1024);
+ rectB.h=SDLTest_RandomIntegerInRange(1, 1024);
+
+ /* invalid parameter combinations */
+ result = (SDL_bool)SDL_RectEquals((const SDL_Rect *)NULL, (const SDL_Rect *)&rectB);
+ SDLTest_AssertCheck(result == SDL_FALSE, "Check that function returns SDL_FALSE when 1st parameter is NULL");
+ result = (SDL_bool)SDL_RectEquals((const SDL_Rect *)&rectA, (const SDL_Rect *)NULL);
+ SDLTest_AssertCheck(result == SDL_FALSE, "Check that function returns SDL_FALSE when 2nd parameter is NULL");
+ result = (SDL_bool)SDL_RectEquals((const SDL_Rect *)NULL, (const SDL_Rect *)NULL);
+ SDLTest_AssertCheck(result == SDL_FALSE, "Check that function returns SDL_FALSE when 1st and 2nd parameter are NULL");
+
+ return TEST_COMPLETED;
+}
+
+/* ================= Test References ================== */
+
+/* Rect test cases */
+
+/* SDL_IntersectRectAndLine */
+static const SDLTest_TestCaseReference rectTest1 =
+ { (SDLTest_TestCaseFp)rect_testIntersectRectAndLine,"rect_testIntersectRectAndLine", "Tests SDL_IntersectRectAndLine clipping cases", TEST_ENABLED };
+
+static const SDLTest_TestCaseReference rectTest2 =
+ { (SDLTest_TestCaseFp)rect_testIntersectRectAndLineInside, "rect_testIntersectRectAndLineInside", "Tests SDL_IntersectRectAndLine with line fully contained in rect", TEST_ENABLED };
+
+static const SDLTest_TestCaseReference rectTest3 =
+ { (SDLTest_TestCaseFp)rect_testIntersectRectAndLineOutside, "rect_testIntersectRectAndLineOutside", "Tests SDL_IntersectRectAndLine with line fully outside of rect", TEST_ENABLED };
+
+static const SDLTest_TestCaseReference rectTest4 =
+ { (SDLTest_TestCaseFp)rect_testIntersectRectAndLineEmpty, "rect_testIntersectRectAndLineEmpty", "Tests SDL_IntersectRectAndLine with empty rectangle ", TEST_ENABLED };
+
+static const SDLTest_TestCaseReference rectTest5 =
+ { (SDLTest_TestCaseFp)rect_testIntersectRectAndLineParam, "rect_testIntersectRectAndLineParam", "Negative tests against SDL_IntersectRectAndLine with invalid parameters", TEST_ENABLED };
+
+/* SDL_IntersectRect */
+static const SDLTest_TestCaseReference rectTest6 =
+ { (SDLTest_TestCaseFp)rect_testIntersectRectInside, "rect_testIntersectRectInside", "Tests SDL_IntersectRect with B fully contained in A", TEST_ENABLED };
+
+static const SDLTest_TestCaseReference rectTest7 =
+ { (SDLTest_TestCaseFp)rect_testIntersectRectOutside, "rect_testIntersectRectOutside", "Tests SDL_IntersectRect with B fully outside of A", TEST_ENABLED };
+
+static const SDLTest_TestCaseReference rectTest8 =
+ { (SDLTest_TestCaseFp)rect_testIntersectRectPartial, "rect_testIntersectRectPartial", "Tests SDL_IntersectRect with B partially intersecting A", TEST_ENABLED };
+
+static const SDLTest_TestCaseReference rectTest9 =
+ { (SDLTest_TestCaseFp)rect_testIntersectRectPoint, "rect_testIntersectRectPoint", "Tests SDL_IntersectRect with 1x1 sized rectangles", TEST_ENABLED };
+
+static const SDLTest_TestCaseReference rectTest10 =
+ { (SDLTest_TestCaseFp)rect_testIntersectRectEmpty, "rect_testIntersectRectEmpty", "Tests SDL_IntersectRect with empty rectangles", TEST_ENABLED };
+
+static const SDLTest_TestCaseReference rectTest11 =
+ { (SDLTest_TestCaseFp)rect_testIntersectRectParam, "rect_testIntersectRectParam", "Negative tests against SDL_IntersectRect with invalid parameters", TEST_ENABLED };
+
+/* SDL_HasIntersection */
+static const SDLTest_TestCaseReference rectTest12 =
+ { (SDLTest_TestCaseFp)rect_testHasIntersectionInside, "rect_testHasIntersectionInside", "Tests SDL_HasIntersection with B fully contained in A", TEST_ENABLED };
+
+static const SDLTest_TestCaseReference rectTest13 =
+ { (SDLTest_TestCaseFp)rect_testHasIntersectionOutside, "rect_testHasIntersectionOutside", "Tests SDL_HasIntersection with B fully outside of A", TEST_ENABLED };
+
+static const SDLTest_TestCaseReference rectTest14 =
+ { (SDLTest_TestCaseFp)rect_testHasIntersectionPartial,"rect_testHasIntersectionPartial", "Tests SDL_HasIntersection with B partially intersecting A", TEST_ENABLED };
+
+static const SDLTest_TestCaseReference rectTest15 =
+ { (SDLTest_TestCaseFp)rect_testHasIntersectionPoint, "rect_testHasIntersectionPoint", "Tests SDL_HasIntersection with 1x1 sized rectangles", TEST_ENABLED };
+
+static const SDLTest_TestCaseReference rectTest16 =
+ { (SDLTest_TestCaseFp)rect_testHasIntersectionEmpty, "rect_testHasIntersectionEmpty", "Tests SDL_HasIntersection with empty rectangles", TEST_ENABLED };
+
+static const SDLTest_TestCaseReference rectTest17 =
+ { (SDLTest_TestCaseFp)rect_testHasIntersectionParam, "rect_testHasIntersectionParam", "Negative tests against SDL_HasIntersection with invalid parameters", TEST_ENABLED };
+
+/* SDL_EnclosePoints */
+static const SDLTest_TestCaseReference rectTest18 =
+ { (SDLTest_TestCaseFp)rect_testEnclosePoints, "rect_testEnclosePoints", "Tests SDL_EnclosePoints without clipping", TEST_ENABLED };
+
+static const SDLTest_TestCaseReference rectTest19 =
+ { (SDLTest_TestCaseFp)rect_testEnclosePointsWithClipping, "rect_testEnclosePointsWithClipping", "Tests SDL_EnclosePoints with clipping", TEST_ENABLED };
+
+static const SDLTest_TestCaseReference rectTest20 =
+ { (SDLTest_TestCaseFp)rect_testEnclosePointsRepeatedInput, "rect_testEnclosePointsRepeatedInput", "Tests SDL_EnclosePoints with repeated input", TEST_ENABLED };
+
+static const SDLTest_TestCaseReference rectTest21 =
+ { (SDLTest_TestCaseFp)rect_testEnclosePointsParam, "rect_testEnclosePointsParam", "Negative tests against SDL_EnclosePoints with invalid parameters", TEST_ENABLED };
+
+/* SDL_UnionRect */
+static const SDLTest_TestCaseReference rectTest22 =
+ { (SDLTest_TestCaseFp)rect_testUnionRectInside, "rect_testUnionRectInside", "Tests SDL_UnionRect where rect B is inside rect A", TEST_ENABLED };
+
+static const SDLTest_TestCaseReference rectTest23 =
+ { (SDLTest_TestCaseFp)rect_testUnionRectOutside, "rect_testUnionRectOutside", "Tests SDL_UnionRect where rect B is outside rect A", TEST_ENABLED };
+
+static const SDLTest_TestCaseReference rectTest24 =
+ { (SDLTest_TestCaseFp)rect_testUnionRectEmpty, "rect_testUnionRectEmpty", "Tests SDL_UnionRect where rect A or rect B are empty", TEST_ENABLED };
+
+static const SDLTest_TestCaseReference rectTest25 =
+ { (SDLTest_TestCaseFp)rect_testUnionRectParam, "rect_testUnionRectParam", "Negative tests against SDL_UnionRect with invalid parameters", TEST_ENABLED };
+
+/* SDL_RectEmpty */
+static const SDLTest_TestCaseReference rectTest26 =
+ { (SDLTest_TestCaseFp)rect_testRectEmpty, "rect_testRectEmpty", "Tests SDL_RectEmpty with various inputs", TEST_ENABLED };
+
+static const SDLTest_TestCaseReference rectTest27 =
+ { (SDLTest_TestCaseFp)rect_testRectEmptyParam, "rect_testRectEmptyParam", "Negative tests against SDL_RectEmpty with invalid parameters", TEST_ENABLED };
+
+/* SDL_RectEquals */
+
+static const SDLTest_TestCaseReference rectTest28 =
+ { (SDLTest_TestCaseFp)rect_testRectEquals, "rect_testRectEquals", "Tests SDL_RectEquals with various inputs", TEST_ENABLED };
+
+static const SDLTest_TestCaseReference rectTest29 =
+ { (SDLTest_TestCaseFp)rect_testRectEqualsParam, "rect_testRectEqualsParam", "Negative tests against SDL_RectEquals with invalid parameters", TEST_ENABLED };
+
+
+/* !
+ * \brief Sequence of Rect test cases; functions that handle simple rectangles including overlaps and merges.
+ *
+ * \sa
+ * http://wiki.libsdl.org/moin.cgi/CategoryRect
+ */
+static const SDLTest_TestCaseReference *rectTests[] = {
+ &rectTest1, &rectTest2, &rectTest3, &rectTest4, &rectTest5, &rectTest6, &rectTest7, &rectTest8, &rectTest9, &rectTest10, &rectTest11, &rectTest12, &rectTest13, &rectTest14,
+ &rectTest15, &rectTest16, &rectTest17, &rectTest18, &rectTest19, &rectTest20, &rectTest21, &rectTest22, &rectTest23, &rectTest24, &rectTest25, &rectTest26, &rectTest27,
+ &rectTest28, &rectTest29, NULL
+};
+
+
+/* Rect test suite (global) */
+SDLTest_TestSuiteReference rectTestSuite = {
+ "Rect",
+ NULL,
+ rectTests,
+ NULL
+};