diff --git a/test/testautomation_math.c b/test/testautomation_math.c index 1843ef09b..4d9a6b1e3 100644 --- a/test/testautomation_math.c +++ b/test/testautomation_math.c @@ -151,6 +151,128 @@ floor_rangeTest(void *args) return TEST_COMPLETED; } +/* SDL_ceil tests functions */ + +/** + * \brief Checks edge cases (0 and infinity) for themselves. + */ +static int +ceil_edgeCases(void *args) +{ + double result; + + result = SDL_ceil(INFINITY); + SDLTest_AssertCheck(INFINITY == result, "Ceil(%f), expected %f, got %f", + INFINITY, INFINITY, result); + result = SDL_ceil(-INFINITY); + SDLTest_AssertCheck(-INFINITY == result, "Ceil(%f), expected %f, got %f", + -INFINITY, -INFINITY, result); + + result = SDL_ceil(0.0); + SDLTest_AssertCheck(0.0 == result, "Ceil(%.1f), expected %.1f, got %.1f", + 0.0, 0.0, result); + result = SDL_ceil(-0.0); + SDLTest_AssertCheck(-0.0 == result, "Ceil(%.1f), expected %.1f, got %.1f", + -0.0, -0.0, result); + + return TEST_COMPLETED; +} + +/** + * \brief Checks the NaN case. + */ +static int +ceil_nanCase(void *args) +{ + SDLTest_AssertCheck(isnan(SDL_ceil(NAN)), "Ceil(nan), expected nan"); + return TEST_COMPLETED; +} + +/** + * \brief Checks round values (x.0) for themselves + */ +static int +ceil_roundNumbersCases(void *args) +{ + Uint32 i; + const double round_cases[] = { + 1.0, + -1.0, + 15.0, + -15.0, + 125.0, + -125.0, + 1024.0, + -1024.0 + }; + for (i = 0; i < SDL_arraysize(round_cases); i++) { + const double result = SDL_ceil(round_cases[i]); + SDLTest_AssertCheck(result == round_cases[i], + "Ceil(%.1f), expected %.1f, got %.1f", round_cases[i], + round_cases[i], result); + } + return TEST_COMPLETED; +} + +/** + * \brief Checks a set of fractions + */ +static int +ceil_fractionCases(void *args) +{ + Uint32 i; + const d_to_d frac_cases[] = { + { 1.0 / 2.0, 1.0 }, + { -1.0 / 2.0, -0.0 }, + { 4.0 / 3.0, 2.0 }, + { -4.0 / 3.0, -1.0 }, + { 76.0 / 7.0, 11.0 }, + { -76.0 / 7.0, -10.0 }, + { 535.0 / 8.0, 67.0 }, + { -535.0 / 8.0, -66.0 }, + { 19357.0 / 53.0, 366.0 }, + { -19357.0 / 53.0, -365.0 } + }; + for (i = 0; i < SDL_arraysize(frac_cases); i++) { + const double result = SDL_ceil(frac_cases[i].input); + SDLTest_AssertCheck(result == frac_cases[i].expected, + "Ceil(%f), expected %.1f, got %f", frac_cases[i].input, + frac_cases[i].expected, result); + } + return TEST_COMPLETED; +} + +/** + * \brief Checks a range of values between 0 and UINT32_MAX + */ +static int +ceil_rangeTest(void *args) +{ + const Uint32 ITERATIONS = 10000000; + const Uint32 STEP = SDL_MAX_UINT32 / ITERATIONS; + Uint32 i; + double test_value = 0.0; + + SDLTest_AssertPass("Ceil: Testing a range of %u values with %u steps", + ITERATIONS, STEP); + + for (i = 0; i < ITERATIONS; i++, test_value += STEP) { + double result; + /* These are tested elsewhere */ + if (isnan(test_value) || isinf(test_value)) { + continue; + } + + result = SDL_ceil(test_value); + if (result != test_value) { /* Only log failures to save performances */ + SDLTest_AssertPass("Ceil(%.1f), expected %.1f, got %.1f", test_value, + test_value, result); + return TEST_ABORTED; + } + } + return TEST_COMPLETED; +} + /* ================= Test References ================== */ /* SDL_floor test cases */ @@ -176,8 +298,33 @@ static const SDLTest_TestCaseReference floorTest5 = { "Check a range of positive integer", TEST_ENABLED }; +/* SDL_ceil test cases */ + +static const SDLTest_TestCaseReference ceilTest1 = { + (SDLTest_TestCaseFp) ceil_edgeCases, "ceil_edgeCases", + "Check positive and negative infinity and 0", TEST_ENABLED +}; +static const SDLTest_TestCaseReference ceilTest2 = { + (SDLTest_TestCaseFp) ceil_nanCase, "ceil_nanCase", + "Check the NaN special case", TEST_ENABLED +}; +static const SDLTest_TestCaseReference ceilTest3 = { + (SDLTest_TestCaseFp) ceil_roundNumbersCases, "ceil_roundNumberCases", + "Check a set of round numbers", TEST_ENABLED +}; +static const SDLTest_TestCaseReference ceilTest4 = { + (SDLTest_TestCaseFp) ceil_fractionCases, "ceil_fractionCases", + "Check a set of fractions", TEST_ENABLED +}; +static const SDLTest_TestCaseReference ceilTest5 = { + (SDLTest_TestCaseFp) ceil_rangeTest, "ceil_rangeTest", + "Check a range of positive integer", TEST_ENABLED +}; + static const SDLTest_TestCaseReference *mathTests[] = { - &floorTest1, &floorTest2, &floorTest3, &floorTest4, &floorTest5, NULL + &floorTest1, &floorTest2, &floorTest3, &floorTest4, &floorTest5, + &ceilTest1, &ceilTest2, &ceilTest3, &ceilTest4, &ceilTest5, + NULL }; SDLTest_TestSuiteReference mathTestSuite = { "Math", NULL, mathTests, NULL };