Commit afd812374fdaf472be6abb0e6ddc91e3bfab0f6b
2022-05-15T17:43:38
Test: Add Sqrt tests to math suite.
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diff --git a/test/testautomation_math.c b/test/testautomation_math.c
index d8f4fd4..be07bdd 100644
--- a/test/testautomation_math.c
+++ b/test/testautomation_math.c
@@ -1545,6 +1545,92 @@ pow_rangeTest(void *args)
return TEST_COMPLETED;
}
+/* SDL_sqrt tests functions */
+
+/**
+ * \brief Checks for positive infinity.
+ */
+static int
+sqrt_infCase(void *args)
+{
+ const double result = SDL_sqrt(INFINITY);
+ SDLTest_AssertCheck(INFINITY == result,
+ "Sqrt(%f), expected %f, got %f",
+ INFINITY, INFINITY, result);
+ return TEST_COMPLETED;
+}
+
+/**
+ * \brief Checks for the nan case.
+ */
+static int
+sqrt_nanCase(void *args)
+{
+ const double result = SDL_sqrt(NAN);
+ SDLTest_AssertCheck(isnan(result),
+ "Sqrt(%f), expected %f, got %f",
+ NAN, NAN, result);
+ return TEST_COMPLETED;
+}
+
+/**
+ * \brief Checks for out of domain values (<0).
+ */
+static int
+sqrt_outOfDomainCases(void *args)
+{
+ double result;
+
+ result = SDL_sqrt(-1.0);
+ SDLTest_AssertCheck(isnan(result),
+ "Sqrt(%f), expected %f, got %f",
+ -1.0, NAN, result);
+
+ result = SDL_sqrt(-12345.6789);
+ SDLTest_AssertCheck(isnan(result),
+ "Sqrt(%f), expected %f, got %f",
+ -12345.6789, NAN, result);
+
+ result = SDL_sqrt(-INFINITY);
+ SDLTest_AssertCheck(isnan(result),
+ "Sqrt(%f), expected %f, got %f",
+ -INFINITY, NAN, result);
+
+ return TEST_COMPLETED;
+}
+
+/**
+ * \brief Checks a set of base cases.
+ */
+static int
+sqrt_baseCases(void *args)
+{
+ const d_to_d base_cases[] = {
+ { -0.0, -0.0 },
+ { 0.0, 0.0 },
+ { 1.0, 1.0 }
+ };
+ return helper_dtod("Sqrt", SDL_sqrt, base_cases, SDL_arraysize(base_cases));
+}
+
+/**
+ * \brief Checks a set of regular cases.
+ */
+static int
+sqrt_regularCases(void *args)
+{
+ const d_to_d regular_cases[] = {
+ { 4.0, 2.0 },
+ { 9.0, 3.0 },
+ { 27.2, 5.21536192416211896727418206864967942237854003906250 },
+ { 240.250, 15.5 },
+ { 1337.0, 36.565010597564445049556525191292166709899902343750 },
+ { 2887.12782400000014604302123188972473144531250, 53.732 },
+ { 65600.0156250, 256.125 }
+ };
+ return helper_dtod("Sqrt", SDL_sqrt, regular_cases, SDL_arraysize(regular_cases));
+}
+
/* ================= Test References ================== */
/* SDL_floor test cases */
@@ -1852,6 +1938,29 @@ static const SDLTest_TestCaseReference powTestRange = {
"Check a range of positive integer to the power of 0", TEST_ENABLED
};
+/* SDL_sqrt test cases */
+
+static const SDLTest_TestCaseReference sqrtTestInf = {
+ (SDLTest_TestCaseFp) sqrt_infCase, "sqrt_infCase",
+ "Check positive infinity", TEST_ENABLED
+};
+static const SDLTest_TestCaseReference sqrtTestNan = {
+ (SDLTest_TestCaseFp) sqrt_nanCase, "sqrt_nanCase",
+ "Check the NaN special case", TEST_ENABLED
+};
+static const SDLTest_TestCaseReference sqrtTestDomain = {
+ (SDLTest_TestCaseFp) sqrt_outOfDomainCases, "sqrt_outOfDomainCases",
+ "Check for out of domain values", TEST_ENABLED
+};
+static const SDLTest_TestCaseReference sqrtTestBase = {
+ (SDLTest_TestCaseFp) sqrt_baseCases, "sqrt_baseCases",
+ "Check the base cases", TEST_ENABLED
+};
+static const SDLTest_TestCaseReference sqrtTestRegular = {
+ (SDLTest_TestCaseFp) sqrt_regularCases, "sqrt_regularCases",
+ "Check a set of regular values", TEST_ENABLED
+};
+
static const SDLTest_TestCaseReference *mathTests[] = {
&floorTestInf, &floorTestZero, &floorTestNan,
&floorTestRound, &floorTestFraction, &floorTestRange,
@@ -1887,6 +1996,9 @@ static const SDLTest_TestCaseReference *mathTests[] = {
&powTestZero1, &powTestZero2, &powTestZero3, &powTestZero4,
&powTestRegular, &powTestPowOf2, &powTestRange,
+ &sqrtTestInf, &sqrtTestNan, &sqrtTestDomain,
+ &sqrtTestBase, &sqrtTestRegular,
+
NULL
};