test: Basic tests for SDL_FRectEquals

Based on the integer version. These tests mostly check that input
isn't mangled and that invalid input gives the expected negative
result.
This commit is contained in:
Eddy Jansson 2022-04-20 15:53:25 +02:00 committed by Sam Lantinga
parent fc944859d1
commit 5bc2933425

View file

@ -408,6 +408,32 @@ void _validateRectEqualsResults(
refRectB->x, refRectB->y, refRectB->w, refRectB->h);
}
/* !
* \brief Private helper to check SDL_FRectEquals results
*/
void _validateFRectEqualsResults(
SDL_bool equals, SDL_bool expectedEquals,
SDL_FRect *rectA, SDL_FRect *rectB, SDL_FRect *refRectA, SDL_FRect *refRectB)
{
int cmpRes;
SDLTest_AssertCheck(equals == expectedEquals,
"Check for correct equals result: expected %s, got %s testing (%f,%f,%f,%f) and (%f,%f,%f,%f)",
(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);
cmpRes = SDL_memcmp(rectA, refRectA, sizeof(*rectA));
SDLTest_AssertCheck(cmpRes == 0,
"Check that source rectangle A was not modified: got (%f,%f,%f,%f) expected (%f,%f,%f,%f)",
rectA->x, rectA->y, rectA->w, rectA->h,
refRectA->x, refRectA->y, refRectA->w, refRectA->h);
cmpRes = SDL_memcmp(rectB, refRectB, sizeof(*rectB));
SDLTest_AssertCheck(cmpRes == 0,
"Check that source rectangle B was not modified: got (%f,%f,%f,%f) expected (%f,%f,%f,%f)",
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
*
@ -1574,6 +1600,69 @@ int rect_testRectEqualsParam(void *arg)
return TEST_COMPLETED;
}
/* !
* \brief Tests SDL_FRectEquals() with various inputs
*
* \sa
* http://wiki.libsdl.org/SDL_FRectEquals
*/
int rect_testFRectEquals(void *arg)
{
SDL_FRect refRectA;
SDL_FRect refRectB;
SDL_FRect rectA;
SDL_FRect rectB;
SDL_bool expectedResult;
SDL_bool result;
/* Equals */
refRectA.x=(float)SDLTest_RandomIntegerInRange(-1024, 1024);
refRectA.y=(float)SDLTest_RandomIntegerInRange(-1024, 1024);
refRectA.w=(float)SDLTest_RandomIntegerInRange(1, 1024);
refRectA.h=(float)SDLTest_RandomIntegerInRange(1, 1024);
refRectB = refRectA;
expectedResult = SDL_TRUE;
rectA = refRectA;
rectB = refRectB;
result = (SDL_bool)SDL_FRectEquals((const SDL_FRect *)&rectA, (const SDL_FRect *)&rectB);
_validateFRectEqualsResults(result, expectedResult, &rectA, &rectB, &refRectA, &refRectB);
return TEST_COMPLETED;
}
/* !
* \brief Negative tests against SDL_FRectEquals() with invalid parameters
*
* \sa
* http://wiki.libsdl.org/SDL_FRectEquals
*/
int rect_testFRectEqualsParam(void *arg)
{
SDL_FRect rectA;
SDL_FRect rectB;
SDL_bool result;
/* data setup -- For the purpose of this test, the values don't matter. */
rectA.x=SDLTest_RandomFloat();
rectA.y=SDLTest_RandomFloat();
rectA.w=SDLTest_RandomFloat();
rectA.h=SDLTest_RandomFloat();
rectB.x=SDLTest_RandomFloat();
rectB.y=SDLTest_RandomFloat();
rectB.w=SDLTest_RandomFloat();
rectB.h=SDLTest_RandomFloat();
/* invalid parameter combinations */
result = (SDL_bool)SDL_FRectEquals((const SDL_FRect *)NULL, (const SDL_FRect *)&rectB);
SDLTest_AssertCheck(result == SDL_FALSE, "Check that function returns SDL_FALSE when 1st parameter is NULL");
result = (SDL_bool)SDL_FRectEquals((const SDL_FRect *)&rectA, (const SDL_FRect *)NULL);
SDLTest_AssertCheck(result == SDL_FALSE, "Check that function returns SDL_FALSE when 2nd parameter is NULL");
result = (SDL_bool)SDL_FRectEquals((const SDL_FRect *)NULL, (const SDL_FRect *)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 */
@ -1673,6 +1762,13 @@ static const SDLTest_TestCaseReference rectTest28 =
static const SDLTest_TestCaseReference rectTest29 =
{ (SDLTest_TestCaseFp)rect_testRectEqualsParam, "rect_testRectEqualsParam", "Negative tests against SDL_RectEquals with invalid parameters", TEST_ENABLED };
/* SDL_FRectEquals */
static const SDLTest_TestCaseReference rectTest30 =
{ (SDLTest_TestCaseFp)rect_testFRectEquals, "rect_testFRectEquals", "Tests SDL_FRectEquals with various inputs", TEST_ENABLED };
static const SDLTest_TestCaseReference rectTest31 =
{ (SDLTest_TestCaseFp)rect_testFRectEqualsParam, "rect_testFRectEqualsParam", "Negative tests against SDL_FRectEquals with invalid parameters", TEST_ENABLED };
/* !
* \brief Sequence of Rect test cases; functions that handle simple rectangles including overlaps and merges.
@ -1683,7 +1779,7 @@ static const SDLTest_TestCaseReference rectTest29 =
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
&rectTest28, &rectTest29, &rectTest30, &rectTest31, NULL
};