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stdlib: Add some tests for SDL_strtod

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Carl Åstholm 2024-09-12 01:23:32 +02:00 • committed by Sam Lantinga
parent 56a48763cd
commit a78f612d4b
1 changed files with 56 additions and 0 deletions
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56
test/testautomation_stdlib.c
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@ -1624,6 +1624,57 @@ static int SDLCALL stdlib_strtoull(void *arg)
return TEST_COMPLETED; return TEST_COMPLETED;
} }
static int SDLCALL stdlib_strtod(void *arg)
{
const char *text;
double result;
char *endp;
double expected_result;
char *expected_endp;
text = "\t 123.75abcxyz"; // skip leading space
expected_result = 123.75;
expected_endp = (char *)text + 9;
result = SDL_strtod(text, &endp);
SDLTest_AssertPass("Call to SDL_strtod(\"\\t 123.75abcxyz\", &endp)");
SDLTest_AssertCheck(result == expected_result, "Check result value, expected: %f, got: %f", expected_result, result);
SDLTest_AssertCheck(endp == expected_endp, "Check endp value, expected: %p, got: %p", expected_endp, endp);
text = "+999.555";
expected_result = 999.555;
expected_endp = (char *)text + 8;
result = SDL_strtod(text, &endp);
SDLTest_AssertPass("Call to SDL_strtod(\"+999.555\", &endp)");
SDLTest_AssertCheck(result == expected_result, "Check result value, expected: %f, got: %f", expected_result, result);
SDLTest_AssertCheck(endp == expected_endp, "Check endp value, expected: %p, got: %p", expected_endp, endp);
text = "-999.555";
expected_result = -999.555;
expected_endp = (char *)text + 8;
result = SDL_strtod(text, &endp);
SDLTest_AssertPass("Call to SDL_strtod(\"-999.555\", &endp)");
SDLTest_AssertCheck(result == expected_result, "Check result value, expected: %f, got: %f", expected_result, result);
SDLTest_AssertCheck(endp == expected_endp, "Check endp value, expected: %p, got: %p", expected_endp, endp);
text = "-0"; // signed zero
expected_result = -0.0;
expected_endp = (char *)text + 2;
result = SDL_strtod(text, &endp);
SDLTest_AssertPass("Call to SDL_strtod(\"-0.0\", &endp)");
SDLTest_AssertCheck((1.0 / result) == (1.0 / expected_result), "Check result value, expected: %f, got: %f", expected_result, result);
SDLTest_AssertCheck(endp == expected_endp, "Check endp value, expected: %p, got: %p", expected_endp, endp);
text = " - 1"; // invalid input
expected_result = 0.0;
expected_endp = (char *)text;
result = SDL_strtod(text, &endp);
SDLTest_AssertPass("Call to SDL_strtod(\" - 1\", &endp)");
SDLTest_AssertCheck(result == expected_result, "Check result value, expected: %f, got: %f", expected_result, result);
SDLTest_AssertCheck(endp == expected_endp, "Check endp value, expected: %p, got: %p", expected_endp, endp);
return TEST_COMPLETED;
}
/* ================= Test References ================== */ /* ================= Test References ================== */
/* Standard C routine test cases */ /* Standard C routine test cases */
@ -1679,6 +1730,10 @@ static const SDLTest_TestCaseReference stdlibTest_strtoull = {
stdlib_strtoull, "stdlib_strtoull", "Calls to SDL_strtoull, SDL_strtol, SDL_strtoul and SDL_strtoll", TEST_ENABLED stdlib_strtoull, "stdlib_strtoull", "Calls to SDL_strtoull, SDL_strtol, SDL_strtoul and SDL_strtoll", TEST_ENABLED
}; };
static const SDLTest_TestCaseReference stdlibTest_strtod = {
stdlib_strtod, "stdlib_strtod", "Calls to SDL_strtod", TEST_ENABLED
};
/* Sequence of Standard C routine test cases */ /* Sequence of Standard C routine test cases */
static const SDLTest_TestCaseReference *stdlibTests[] = { static const SDLTest_TestCaseReference *stdlibTests[] = {
&stdlibTest_strnlen, &stdlibTest_strnlen,
@ -1694,6 +1749,7 @@ static const SDLTest_TestCaseReference *stdlibTests[] = {
&stdlibTest_strpbrk, &stdlibTest_strpbrk,
&stdlibTest_wcstol, &stdlibTest_wcstol,
&stdlibTest_strtoull, &stdlibTest_strtoull,
&stdlibTest_strtod,
NULL NULL
}; };