Commit b09266a4ef28f94163f20d66e482a9b91a33ee6f
2022-05-06T13:51:04
Test: Add Ceil tests to math suite.
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diff --git a/test/testautomation_math.c b/test/testautomation_math.c
index 1843ef0..4d9a6b1 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 };