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SDL/test/testautomation_stdlib.c

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/**
* Standard C library routine test suite
*/
#include <SDL3/SDL.h>
#include <SDL3/SDL_test.h>
#include "testautomation_suites.h"
/* Test case functions */
/**
* Call to SDL_strnlen
*/
#undef SDL_strnlen
static int stdlib_strnlen(void *arg)
{
size_t result;
char *text_result;
const char *text = "food";
const char *expected;
result = SDL_strnlen(text, 6);
SDLTest_AssertPass("Call to SDL_strndup(\"food\", 6)");
SDLTest_AssertCheck(result == 4, "Check result value, expected: 4, got: %d", (int)result);
result = SDL_strnlen(text, 3);
SDLTest_AssertPass("Call to SDL_strndup(\"food\", 3)");
SDLTest_AssertCheck(result == 3, "Check result value, expected: 3, got: %d", (int)result);
text_result = SDL_strndup(text, 3);
expected = "foo";
SDLTest_AssertPass("Call to SDL_strndup(\"food\", 3)");
SDLTest_AssertCheck(SDL_strcmp(text_result, expected) == 0, "Check text, expected: %s, got: %s", expected, text_result);
SDL_free(text_result);
return TEST_COMPLETED;
}
/**
* Call to SDL_strlcpy
*/
#undef SDL_strlcpy
static int stdlib_strlcpy(void *arg)
{
size_t result;
char text[1024];
const char *expected;
result = SDL_strlcpy(text, "foo", sizeof(text));
expected = "foo";
SDLTest_AssertPass("Call to SDL_strlcpy(\"foo\")");
SDLTest_AssertCheck(SDL_strcmp(text, expected) == 0, "Check text, expected: %s, got: %s", expected, text);
SDLTest_AssertCheck(result == SDL_strlen(text), "Check result value, expected: %d, got: %d", (int)SDL_strlen(text), (int)result);
result = SDL_strlcpy(text, "foo", 2);
expected = "f";
SDLTest_AssertPass("Call to SDL_strlcpy(\"foo\") with buffer size 2");
SDLTest_AssertCheck(SDL_strcmp(text, expected) == 0, "Check text, expected: %s, got: %s", expected, text);
SDLTest_AssertCheck(result == 3, "Check result value, expected: 3, got: %d", (int)result);
return TEST_COMPLETED;
}
/**
* Call to SDL_strstr
*/
static int stdlib_strstr(void *arg)
{
char *result;
const char *text = "abcdef";
const char *expected;
result = SDL_strstr(text, "");
expected = text;
SDLTest_AssertPass("Call to SDL_strstr(text, \"\")");
SDLTest_AssertCheck(result == expected, "Check result, expected: %s, got: %s", expected, result);
result = SDL_strstr(text, "abc");
expected = text;
SDLTest_AssertPass("Call to SDL_strstr(text, \"abc\")");
SDLTest_AssertCheck(result == expected, "Check result, expected: %s, got: %s", expected, result);
result = SDL_strstr(text, "bcd");
expected = text+1;
SDLTest_AssertPass("Call to SDL_strstr(text, \"bcd\")");
SDLTest_AssertCheck(result == expected, "Check result, expected: %s, got: %s", expected, result);
result = SDL_strstr(text, "xyz");
expected = NULL;
SDLTest_AssertPass("Call to SDL_strstr(text, \"xyz\")");
SDLTest_AssertCheck(result == expected, "Check result, expected: (null), got: %s", result);
result = SDL_strnstr(text, "", SDL_strlen(text));
expected = text;
SDLTest_AssertPass("Call to SDL_strnstr(text, \"\", SDL_strlen(text))");
SDLTest_AssertCheck(result == expected, "Check result, expected: %s, got: %s", expected, result);
result = SDL_strnstr(text, "abc", SDL_strlen(text));
expected = text;
SDLTest_AssertPass("Call to SDL_strnstr(text, \"abc\", SDL_strlen(text))");
SDLTest_AssertCheck(result == expected, "Check result, expected: %s, got: %s", expected, result);
result = SDL_strnstr(text, "bcd", SDL_strlen(text));
expected = text+1;
SDLTest_AssertPass("Call to SDL_strnstr(text, \"bcd\", SDL_strlen(text))");
SDLTest_AssertCheck(result == expected, "Check result, expected: %s, got: %s", expected, result);
result = SDL_strnstr(text, "bcd", 3);
expected = NULL;
SDLTest_AssertPass("Call to SDL_strnstr(text, \"bcd\", 3)");
SDLTest_AssertCheck(result == expected, "Check result, expected: (null), got: %s", result);
result = SDL_strnstr(text, "xyz", 3);
expected = NULL;
SDLTest_AssertPass("Call to SDL_strnstr(text, \"xyz\", 3)");
SDLTest_AssertCheck(result == expected, "Check result, expected: (null), got: %s", result);
result = SDL_strnstr(text, "xyz", SDL_strlen(text)*100000);
expected = NULL;
SDLTest_AssertPass("Call to SDL_strnstr(text, \"xyz\", SDL_strlen(text)*100000)");
SDLTest_AssertCheck(result == expected, "Check result, expected: (null), got: %s", result);
return TEST_COMPLETED;
}
#if defined(HAVE_WFORMAT) || defined(HAVE_WFORMAT_EXTRA_ARGS)
#pragma GCC diagnostic push
#ifdef HAVE_WFORMAT
#pragma GCC diagnostic ignored "-Wformat"
#endif
#ifdef HAVE_WFORMAT_EXTRA_ARGS
#pragma GCC diagnostic ignored "-Wformat-extra-args"
#endif
#endif
/**
* Call to SDL_snprintf
*/
#undef SDL_snprintf
static int stdlib_snprintf(void *arg)
{
int result;
int predicted;
char text[1024];
const char *expected, *expected2, *expected3, *expected4, *expected5;
size_t size;
result = SDL_snprintf(text, sizeof(text), "%s", "foo");
expected = "foo";
SDLTest_AssertPass("Call to SDL_snprintf(\"%%s\", \"foo\")");
SDLTest_AssertCheck(SDL_strcmp(text, expected) == 0, "Check text, expected: %s, got: %s", expected, text);
SDLTest_AssertCheck(result == SDL_strlen(text), "Check result value, expected: %d, got: %d", (int)SDL_strlen(text), result);
result = SDL_snprintf(text, sizeof(text), "%S", L"foo");
expected = "foo";
SDLTest_AssertPass("Call to SDL_snprintf(\"%%S\", \"foo\")");
SDLTest_AssertCheck(SDL_strcmp(text, expected) == 0, "Check text, expected: %s, got: %s", expected, text);
SDLTest_AssertCheck(result == SDL_strlen(text), "Check result value, expected: %d, got: %d", (int)SDL_strlen(text), result);
result = SDL_snprintf(text, sizeof(text), "%ls", L"foo");
expected = "foo";
SDLTest_AssertPass("Call to SDL_snprintf(\"%%ls\", \"foo\")");
SDLTest_AssertCheck(SDL_strcmp(text, expected) == 0, "Check text, expected: %s, got: %s", expected, text);
SDLTest_AssertCheck(result == SDL_strlen(text), "Check result value, expected: %d, got: %d", (int)SDL_strlen(text), result);
result = SDL_snprintf(text, 2, "%s", "foo");
expected = "f";
SDLTest_AssertPass("Call to SDL_snprintf(\"%%s\", \"foo\") with buffer size 2");
SDLTest_AssertCheck(SDL_strcmp(text, expected) == 0, "Check text, expected: %s, got: %s", expected, text);
SDLTest_AssertCheck(result == 3, "Check result value, expected: 3, got: %d", result);
result = SDL_snprintf(NULL, 0, "%s", "foo");
SDLTest_AssertPass("Call to SDL_snprintf(NULL, 0, \"%%s\", \"foo\")");
SDLTest_AssertCheck(result == 3, "Check result value, expected: 3, got: %d", result);
result = SDL_snprintf(text, 2, "%s\n", "foo");
expected = "f";
SDLTest_AssertPass("Call to SDL_snprintf(\"%%s\\n\", \"foo\") with buffer size 2");
SDLTest_AssertCheck(SDL_strcmp(text, expected) == 0, "Check text, expected: %s, got: %s", expected, text);
SDLTest_AssertCheck(result == 4, "Check result value, expected: 4, got: %d", result);
result = SDL_snprintf(text, sizeof(text), "%f", 0.0);
predicted = SDL_snprintf(NULL, 0, "%f", 0.0);
expected = "0.000000";
SDLTest_AssertPass("Call to SDL_snprintf(\"%%f\", 0.0)");
SDLTest_AssertCheck(SDL_strcmp(text, expected) == 0, "Check text, expected: %s, got: %s", expected, text);
SDLTest_AssertCheck(result == SDL_strlen(text), "Check result value, expected: %d, got: %d", (int)SDL_strlen(text), result);
SDLTest_AssertCheck(predicted == result, "Check predicted value, expected: %d, got: %d", result, predicted);
result = SDL_snprintf(text, sizeof(text), "%f", 1.0);
predicted = SDL_snprintf(NULL, 0, "%f", 1.0);
expected = "1.000000";
SDLTest_AssertPass("Call to SDL_snprintf(\"%%f\", 1.0)");
SDLTest_AssertCheck(SDL_strcmp(text, expected) == 0, "Check text, expected: %s, got: %s", expected, text);
SDLTest_AssertCheck(result == SDL_strlen(text), "Check result value, expected: %d, got: %d", (int)SDL_strlen(text), result);
SDLTest_AssertCheck(predicted == result, "Check predicted value, expected: %d, got: %d", result, predicted);
result = SDL_snprintf(text, sizeof(text), "%.f", 1.0);
predicted = SDL_snprintf(NULL, 0, "%.f", 1.0);
expected = "1";
SDLTest_AssertPass("Call to SDL_snprintf(\"%%.f\", 1.0)");
SDLTest_AssertCheck(SDL_strcmp(text, expected) == 0, "Check text, expected: %s, got: %s", expected, text);
SDLTest_AssertCheck(result == SDL_strlen(text), "Check result value, expected: %d, got: %d", (int)SDL_strlen(text), result);
SDLTest_AssertCheck(predicted == result, "Check predicted value, expected: %d, got: %d", result, predicted);
result = SDL_snprintf(text, sizeof(text), "%#.f", 1.0);
predicted = SDL_snprintf(NULL, 0, "%#.f", 1.0);
expected = "1.";
SDLTest_AssertPass("Call to SDL_snprintf(\"%%#.f\", 1.0)");
SDLTest_AssertCheck(SDL_strcmp(text, expected) == 0, "Check text, expected: %s, got: %s", expected, text);
SDLTest_AssertCheck(result == SDL_strlen(text), "Check result value, expected: %d, got: %d", (int)SDL_strlen(text), result);
SDLTest_AssertCheck(predicted == result, "Check predicted value, expected: %d, got: %d", result, predicted);
result = SDL_snprintf(text, sizeof(text), "%f", 1.0 + 1.0 / 3.0);
predicted = SDL_snprintf(NULL, 0, "%f", 1.0 + 1.0 / 3.0);
expected = "1.333333";
SDLTest_AssertPass("Call to SDL_snprintf(\"%%f\", 1.0 + 1.0 / 3.0)");
SDLTest_AssertCheck(SDL_strcmp(text, expected) == 0, "Check text, expected: %s, got: %s", expected, text);
SDLTest_AssertCheck(result == SDL_strlen(text), "Check result value, expected: %d, got: %d", (int)SDL_strlen(text), result);
SDLTest_AssertCheck(predicted == result, "Check predicted value, expected: %d, got: %d", result, predicted);
result = SDL_snprintf(text, sizeof(text), "%+f", 1.0 + 1.0 / 3.0);
predicted = SDL_snprintf(NULL, 0, "%+f", 1.0 + 1.0 / 3.0);
expected = "+1.333333";
SDLTest_AssertPass("Call to SDL_snprintf(\"%%+f\", 1.0 + 1.0 / 3.0)");
SDLTest_AssertCheck(SDL_strcmp(text, expected) == 0, "Check text, expected: %s, got: %s", expected, text);
SDLTest_AssertCheck(result == SDL_strlen(text), "Check result value, expected: %d, got: %d", (int)SDL_strlen(text), result);
SDLTest_AssertCheck(predicted == result, "Check predicted value, expected: %d, got: %d", result, predicted);
result = SDL_snprintf(text, sizeof(text), "%.2f", 1.0 + 1.0 / 3.0);
predicted = SDL_snprintf(NULL, 0, "%.2f", 1.0 + 1.0 / 3.0);
expected = "1.33";
SDLTest_AssertPass("Call to SDL_snprintf(\"%%.2f\", 1.0 + 1.0 / 3.0)");
SDLTest_AssertCheck(SDL_strcmp(text, expected) == 0, "Check text, expected: %s, got: %s", expected, text);
SDLTest_AssertCheck(result == SDL_strlen(text), "Check result value, expected: %d, got: %d", (int)SDL_strlen(text), result);
SDLTest_AssertCheck(predicted == result, "Check predicted value, expected: %d, got: %d", result, predicted);
result = SDL_snprintf(text, sizeof(text), "%6.2f", 1.0 + 1.0 / 3.0);
predicted = SDL_snprintf(NULL, 0, "%6.2f", 1.0 + 1.0 / 3.0);
expected = " 1.33";
SDLTest_AssertPass("Call to SDL_snprintf(\"%%6.2f\", 1.0 + 1.0 / 3.0)");
SDLTest_AssertCheck(SDL_strcmp(text, expected) == 0, "Check text, expected: '%s', got: '%s'", expected, text);
SDLTest_AssertCheck(result == SDL_strlen(text), "Check result value, expected: %d, got: %d", (int)SDL_strlen(text), result);
SDLTest_AssertCheck(predicted == result, "Check predicted value, expected: %d, got: %d", result, predicted);
result = SDL_snprintf(text, sizeof(text), "%06.2f", 1.0 + 1.0 / 3.0);
predicted = SDL_snprintf(NULL, 0, "%06.2f", 1.0 + 1.0 / 3.0);
expected = "001.33";
SDLTest_AssertPass("Call to SDL_snprintf(\"%%06.2f\", 1.0 + 1.0 / 3.0)");
SDLTest_AssertCheck(SDL_strcmp(text, expected) == 0, "Check text, expected: '%s', got: '%s'", expected, text);
SDLTest_AssertCheck(result == SDL_strlen(text), "Check result value, expected: %d, got: %d", (int)SDL_strlen(text), result);
SDLTest_AssertCheck(predicted == result, "Check predicted value, expected: %d, got: %d", result, predicted);
result = SDL_snprintf(text, 5, "%06.2f", 1.0 + 1.0 / 3.0);
expected = "001.";
SDLTest_AssertPass("Call to SDL_snprintf(\"%%06.2f\", 1.0 + 1.0 / 3.0) with buffer size 5");
SDLTest_AssertCheck(SDL_strcmp(text, expected) == 0, "Check text, expected: '%s', got: '%s'", expected, text);
SDLTest_AssertCheck(result == 6, "Check result value, expected: 6, got: %d", result);
{
static struct
{
int precision;
float value;
const char *expected_f;
const char *expected_g;
} f_and_g_test_cases[] = {
{ 6, 100.0f, "100.000000", "100" },
{ 6, -100.0f, "-100.000000", "-100" },
{ 6, 100.75f, "100.750000", "100.75" },
{ 6, -100.75f, "-100.750000", "-100.75" },
{ 6, ((100 * 60 * 1000) / 1001) / 100.0f, "59.939999", "59.94" },
{ 6, -((100 * 60 * 1000) / 1001) / 100.0f, "-59.939999", "-59.94" },
{ 6, ((100 * 120 * 1000) / 1001) / 100.0f, "119.879997", "119.88" },
{ 6, -((100 * 120 * 1000) / 1001) / 100.0f, "-119.879997", "-119.88" },
{ 6, 0.9999999f, "1.000000", "1" },
{ 6, -0.9999999f, "-1.000000", "-1" },
{ 5, 9.999999f, "10.00000", "10" },
{ 5, -9.999999f, "-10.00000", "-10" },
};
int i;
for (i = 0; i < SDL_arraysize(f_and_g_test_cases); ++i) {
float value = f_and_g_test_cases[i].value;
int prec = f_and_g_test_cases[i].precision;
result = SDL_snprintf(text, sizeof(text), "%.*f", prec, value);
predicted = SDL_snprintf(NULL, 0, "%.*f", prec, value);
expected = f_and_g_test_cases[i].expected_f;
SDLTest_AssertPass("Call to SDL_snprintf(\"%%.5f\", %g)", value);
SDLTest_AssertCheck(SDL_strcmp(text, expected) == 0, "Check text, expected: '%s', got: '%s'", expected, text);
SDLTest_AssertCheck(result == SDL_strlen(expected), "Check result value, expected: %d, got: %d", (int)SDL_strlen(expected), result);
SDLTest_AssertCheck(predicted == result, "Check predicted value, expected: %d, got: %d", result, predicted);
result = SDL_snprintf(text, sizeof(text), "%g", value);
predicted = SDL_snprintf(NULL, 0, "%g", value);
expected = f_and_g_test_cases[i].expected_g;
SDLTest_AssertPass("Call to SDL_snprintf(\"%%g\", %g)", value);
SDLTest_AssertCheck(SDL_strcmp(text, expected) == 0, "Check text, expected: '%s', got: '%s'", expected, text);
SDLTest_AssertCheck(result == SDL_strlen(expected), "Check result value, expected: %d, got: %d", (int)SDL_strlen(expected), result);
SDLTest_AssertCheck(predicted == result, "Check predicted value, expected: %d, got: %d", result, predicted);
}
}
size = 64;
result = SDL_snprintf(text, sizeof(text), "%zu %s", size, "test");
expected = "64 test";
SDLTest_AssertPass("Call to SDL_snprintf(text, sizeof(text), \"%%zu %%s\", size, \"test\")");
SDLTest_AssertCheck(SDL_strcmp(text, expected) == 0, "Check text, expected: '%s', got: '%s'", expected, text);
SDLTest_AssertCheck(result == 7, "Check result value, expected: 7, got: %d", result);
result = SDL_snprintf(text, sizeof(text), "%p", (void *)0x1234abcd);
expected = "0x1234abcd";
expected2 = "1234ABCD";
expected3 = "000000001234ABCD";
expected4 = "1234abcd";
expected5 = "000000001234abcd";
SDLTest_AssertPass("Call to SDL_snprintf(text, sizeof(text), \"%%p\", 0x1234abcd)");
SDLTest_AssertCheck(SDL_strcmp(text, expected) == 0 ||
SDL_strcmp(text, expected2) == 0 ||
SDL_strcmp(text, expected3) == 0 ||
SDL_strcmp(text, expected4) == 0 ||
SDL_strcmp(text, expected5) == 0,
"Check text, expected: '%s', got: '%s'", expected, text);
SDLTest_AssertCheck(result == SDL_strlen(expected) ||
result == SDL_strlen(expected2) ||
result == SDL_strlen(expected3) ||
result == SDL_strlen(expected4) ||
result == SDL_strlen(expected5),
"Check result value, expected: %d, got: %d", (int)SDL_strlen(expected), result);
result = SDL_snprintf(text, sizeof(text), "A %p B", (void *)0x1234abcd);
expected = "A 0x1234abcd B";
expected2 = "A 1234ABCD B";
expected3 = "A 000000001234ABCD B";
expected4 = "A 1234abcd B";
expected5 = "A 000000001234abcd B";
SDLTest_AssertPass("Call to SDL_snprintf(text, sizeof(text), \"A %%p B\", 0x1234abcd)");
SDLTest_AssertCheck(SDL_strcmp(text, expected) == 0 ||
SDL_strcmp(text, expected2) == 0 ||
SDL_strcmp(text, expected3) == 0 ||
SDL_strcmp(text, expected4) == 0 ||
SDL_strcmp(text, expected5) == 0,
"Check text, expected: '%s', got: '%s'", expected, text);
SDLTest_AssertCheck(result == SDL_strlen(expected) ||
result == SDL_strlen(expected2) ||
result == SDL_strlen(expected3) ||
result == SDL_strlen(expected4) ||
result == SDL_strlen(expected5),
"Check result value, expected: %d, got: %d", (int)SDL_strlen(expected), result);
if (sizeof(void *) >= 8) {
result = SDL_snprintf(text, sizeof(text), "%p", (void *)0x1ba07bddf60L);
expected = "0x1ba07bddf60";
expected2 = "000001BA07BDDF60";
expected3 = "000001ba07bddf60";
SDLTest_AssertPass("Call to SDL_snprintf(text, sizeof(text), \"%%p\", 0x1ba07bddf60)");
SDLTest_AssertCheck(SDL_strcmp(text, expected) == 0 ||
SDL_strcmp(text, expected2) == 0 ||
SDL_strcmp(text, expected3) == 0,
"Check text, expected: '%s', got: '%s'", expected, text);
SDLTest_AssertCheck(result == SDL_strlen(expected) ||
result == SDL_strlen(expected2) ||
result == SDL_strlen(expected3),
"Check result value, expected: %d, got: %d", (int)SDL_strlen(expected), result);
}
return TEST_COMPLETED;
}
/**
* Call to SDL_swprintf
*/
#undef SDL_swprintf
static int stdlib_swprintf(void *arg)
{
int result;
int predicted;
wchar_t text[1024];
const wchar_t *expected;
size_t size;
result = SDL_swprintf(text, sizeof(text), L"%s", "foo");
expected = L"foo";
SDLTest_AssertPass("Call to SDL_swprintf(\"%%s\", \"foo\")");
SDLTest_AssertCheck(SDL_wcscmp(text, expected) == 0, "Check text, expected: %S, got: %S", expected, text);
SDLTest_AssertCheck(result == SDL_wcslen(text), "Check result value, expected: %d, got: %d", (int)SDL_wcslen(text), result);
result = SDL_swprintf(text, 2, L"%s", "foo");
expected = L"f";
SDLTest_AssertPass("Call to SDL_swprintf(\"%%s\", \"foo\") with buffer size 2");
SDLTest_AssertCheck(SDL_wcscmp(text, expected) == 0, "Check text, expected: %S, got: %S", expected, text);
SDLTest_AssertCheck(result == 3, "Check result value, expected: 3, got: %d", result);
result = SDL_swprintf(NULL, 0, L"%s", "foo");
SDLTest_AssertPass("Call to SDL_swprintf(NULL, 0, \"%%s\", \"foo\")");
SDLTest_AssertCheck(result == 3, "Check result value, expected: 3, got: %d", result);
result = SDL_swprintf(text, 2, L"%s\n", "foo");
expected = L"f";
SDLTest_AssertPass("Call to SDL_swprintf(\"%%s\\n\", \"foo\") with buffer size 2");
SDLTest_AssertCheck(SDL_wcscmp(text, expected) == 0, "Check text, expected: %S, got: %S", expected, text);
SDLTest_AssertCheck(result == 4, "Check result value, expected: 4, got: %d", result);
result = SDL_swprintf(text, sizeof(text), L"%f", 0.0);
predicted = SDL_swprintf(NULL, 0, L"%f", 0.0);
expected = L"0.000000";
SDLTest_AssertPass("Call to SDL_swprintf(\"%%f\", 0.0)");
SDLTest_AssertCheck(SDL_wcscmp(text, expected) == 0, "Check text, expected: %S, got: %S", expected, text);
SDLTest_AssertCheck(result == SDL_wcslen(text), "Check result value, expected: %d, got: %d", (int)SDL_wcslen(text), result);
SDLTest_AssertCheck(predicted == result, "Check predicted value, expected: %d, got: %d", result, predicted);
result = SDL_swprintf(text, sizeof(text), L"%f", 1.0);
predicted = SDL_swprintf(NULL, 0, L"%f", 1.0);
expected = L"1.000000";
SDLTest_AssertPass("Call to SDL_swprintf(\"%%f\", 1.0)");
SDLTest_AssertCheck(SDL_wcscmp(text, expected) == 0, "Check text, expected: %S, got: %S", expected, text);
SDLTest_AssertCheck(result == SDL_wcslen(text), "Check result value, expected: %d, got: %d", (int)SDL_wcslen(text), result);
SDLTest_AssertCheck(predicted == result, "Check predicted value, expected: %d, got: %d", result, predicted);
result = SDL_swprintf(text, sizeof(text), L"%.f", 1.0);
predicted = SDL_swprintf(NULL, 0, L"%.f", 1.0);
expected = L"1";
SDLTest_AssertPass("Call to SDL_swprintf(\"%%.f\", 1.0)");
SDLTest_AssertCheck(SDL_wcscmp(text, expected) == 0, "Check text, expected: %S, got: %S", expected, text);
SDLTest_AssertCheck(result == SDL_wcslen(text), "Check result value, expected: %d, got: %d", (int)SDL_wcslen(text), result);
SDLTest_AssertCheck(predicted == result, "Check predicted value, expected: %d, got: %d", result, predicted);
result = SDL_swprintf(text, sizeof(text), L"%#.f", 1.0);
predicted = SDL_swprintf(NULL, 0, L"%#.f", 1.0);
expected = L"1.";
SDLTest_AssertPass("Call to SDL_swprintf(\"%%#.f\", 1.0)");
SDLTest_AssertCheck(SDL_wcscmp(text, expected) == 0, "Check text, expected: %S, got: %S", expected, text);
SDLTest_AssertCheck(result == SDL_wcslen(text), "Check result value, expected: %d, got: %d", (int)SDL_wcslen(text), result);
SDLTest_AssertCheck(predicted == result, "Check predicted value, expected: %d, got: %d", result, predicted);
result = SDL_swprintf(text, sizeof(text), L"%f", 1.0 + 1.0 / 3.0);
predicted = SDL_swprintf(NULL, 0, L"%f", 1.0 + 1.0 / 3.0);
expected = L"1.333333";
SDLTest_AssertPass("Call to SDL_swprintf(\"%%f\", 1.0 + 1.0 / 3.0)");
SDLTest_AssertCheck(SDL_wcscmp(text, expected) == 0, "Check text, expected: %S, got: %S", expected, text);
SDLTest_AssertCheck(result == SDL_wcslen(text), "Check result value, expected: %d, got: %d", (int)SDL_wcslen(text), result);
SDLTest_AssertCheck(predicted == result, "Check predicted value, expected: %d, got: %d", result, predicted);
result = SDL_swprintf(text, sizeof(text), L"%+f", 1.0 + 1.0 / 3.0);
predicted = SDL_swprintf(NULL, 0, L"%+f", 1.0 + 1.0 / 3.0);
expected = L"+1.333333";
SDLTest_AssertPass("Call to SDL_swprintf(\"%%+f\", 1.0 + 1.0 / 3.0)");
SDLTest_AssertCheck(SDL_wcscmp(text, expected) == 0, "Check text, expected: %S, got: %S", expected, text);
SDLTest_AssertCheck(result == SDL_wcslen(text), "Check result value, expected: %d, got: %d", (int)SDL_wcslen(text), result);
SDLTest_AssertCheck(predicted == result, "Check predicted value, expected: %d, got: %d", result, predicted);
result = SDL_swprintf(text, sizeof(text), L"%.2f", 1.0 + 1.0 / 3.0);
predicted = SDL_swprintf(NULL, 0, L"%.2f", 1.0 + 1.0 / 3.0);
expected = L"1.33";
SDLTest_AssertPass("Call to SDL_swprintf(\"%%.2f\", 1.0 + 1.0 / 3.0)");
SDLTest_AssertCheck(SDL_wcscmp(text, expected) == 0, "Check text, expected: %S, got: %S", expected, text);
SDLTest_AssertCheck(result == SDL_wcslen(text), "Check result value, expected: %d, got: %d", (int)SDL_wcslen(text), result);
SDLTest_AssertCheck(predicted == result, "Check predicted value, expected: %d, got: %d", result, predicted);
result = SDL_swprintf(text, sizeof(text), L"%6.2f", 1.0 + 1.0 / 3.0);
predicted = SDL_swprintf(NULL, 0, L"%6.2f", 1.0 + 1.0 / 3.0);
expected = L" 1.33";
SDLTest_AssertPass("Call to SDL_swprintf(\"%%6.2f\", 1.0 + 1.0 / 3.0)");
SDLTest_AssertCheck(SDL_wcscmp(text, expected) == 0, "Check text, expected: '%S', got: '%S'", expected, text);
SDLTest_AssertCheck(result == SDL_wcslen(text), "Check result value, expected: %d, got: %d", (int)SDL_wcslen(text), result);
SDLTest_AssertCheck(predicted == result, "Check predicted value, expected: %d, got: %d", result, predicted);
result = SDL_swprintf(text, sizeof(text), L"%06.2f", 1.0 + 1.0 / 3.0);
predicted = SDL_swprintf(NULL, 0, L"%06.2f", 1.0 + 1.0 / 3.0);
expected = L"001.33";
SDLTest_AssertPass("Call to SDL_swprintf(\"%%06.2f\", 1.0 + 1.0 / 3.0)");
SDLTest_AssertCheck(SDL_wcscmp(text, expected) == 0, "Check text, expected: '%S', got: '%S'", expected, text);
SDLTest_AssertCheck(result == SDL_wcslen(text), "Check result value, expected: %d, got: %d", (int)SDL_wcslen(text), result);
SDLTest_AssertCheck(predicted == result, "Check predicted value, expected: %d, got: %d", result, predicted);
result = SDL_swprintf(text, 5, L"%06.2f", 1.0 + 1.0 / 3.0);
expected = L"001.";
SDLTest_AssertPass("Call to SDL_swprintf(\"%%06.2f\", 1.0 + 1.0 / 3.0) with buffer size 5");
SDLTest_AssertCheck(SDL_wcscmp(text, expected) == 0, "Check text, expected: '%S', got: '%S'", expected, text);
SDLTest_AssertCheck(result == 6, "Check result value, expected: 6, got: %d", result);
{
static struct
{
float value;
const wchar_t *expected_f;
const wchar_t *expected_g;
} f_and_g_test_cases[] = {
{ 100.0f, L"100.000000", L"100" },
{ -100.0f, L"-100.000000", L"-100" },
{ 100.75f, L"100.750000", L"100.75" },
{ -100.75f, L"-100.750000", L"-100.75" },
{ ((100 * 60 * 1000) / 1001) / 100.0f, L"59.939999", L"59.94" },
{ -((100 * 60 * 1000) / 1001) / 100.0f, L"-59.939999", L"-59.94" },
{ ((100 * 120 * 1000) / 1001) / 100.0f, L"119.879997", L"119.88" },
{ -((100 * 120 * 1000) / 1001) / 100.0f, L"-119.879997", L"-119.88" },
{ 9.9999999f, L"10.000000", L"10" },
{ -9.9999999f, L"-10.000000", L"-10" },
};
int i;
for (i = 0; i < SDL_arraysize(f_and_g_test_cases); ++i) {
float value = f_and_g_test_cases[i].value;
result = SDL_swprintf(text, sizeof(text), L"%f", value);
predicted = SDL_swprintf(NULL, 0, L"%f", value);
expected = f_and_g_test_cases[i].expected_f;
SDLTest_AssertPass("Call to SDL_swprintf(\"%%f\", %g)", value);
SDLTest_AssertCheck(SDL_wcscmp(text, expected) == 0, "Check text, expected: '%S', got: '%S'", expected, text);
SDLTest_AssertCheck(result == SDL_wcslen(expected), "Check result value, expected: %d, got: %d", (int)SDL_wcslen(expected), result);
SDLTest_AssertCheck(predicted == result, "Check predicted value, expected: %d, got: %d", result, predicted);
result = SDL_swprintf(text, sizeof(text), L"%g", value);
predicted = SDL_swprintf(NULL, 0, L"%g", value);
expected = f_and_g_test_cases[i].expected_g;
SDLTest_AssertPass("Call to SDL_swprintf(\"%%g\", %g)", value);
SDLTest_AssertCheck(SDL_wcscmp(text, expected) == 0, "Check text, expected: '%S', got: '%S'", expected, text);
SDLTest_AssertCheck(result == SDL_wcslen(expected), "Check result value, expected: %d, got: %d", (int)SDL_wcslen(expected), result);
SDLTest_AssertCheck(predicted == result, "Check predicted value, expected: %d, got: %d", result, predicted);
}
}
size = 64;
result = SDL_swprintf(text, sizeof(text), L"%zu %s", size, "test");
expected = L"64 test";
SDLTest_AssertPass("Call to SDL_swprintf(text, sizeof(text), \"%%zu %%s\", size, \"test\")");
SDLTest_AssertCheck(SDL_wcscmp(text, expected) == 0, "Check text, expected: '%S', got: '%S'", expected, text);
SDLTest_AssertCheck(result == 7, "Check result value, expected: 7, got: %d", result);
return TEST_COMPLETED;
}
#if defined(HAVE_WFORMAT) || defined(HAVE_WFORMAT_EXTRA_ARGS)
#pragma GCC diagnostic pop
#endif
/**
* Call to SDL_getenv and SDL_setenv
*/
static int stdlib_getsetenv(void *arg)
{
const int nameLen = 16;
char name[17];
int counter;
int result;
char *value1;
char *value2;
char *expected;
int overwrite;
char *text;
/* Create a random name. This tests SDL_getenv, since we need to */
/* make sure the variable is not set yet (it shouldn't). */
do {
for (counter = 0; counter < nameLen; counter++) {
name[counter] = (char)SDLTest_RandomIntegerInRange(65, 90);
}
name[nameLen] = '\0';
text = SDL_getenv(name);
SDLTest_AssertPass("Call to SDL_getenv('%s')", name);
if (text) {
SDLTest_Log("Expected: NULL, Got: '%s' (%i)", text, (int)SDL_strlen(text));
}
} while (text);
/* Create random values to set */
value1 = SDLTest_RandomAsciiStringOfSize(10);
value2 = SDLTest_RandomAsciiStringOfSize(10);
/* Set value 1 without overwrite */
overwrite = 0;
expected = value1;
result = SDL_setenv(name, value1, overwrite);
SDLTest_AssertPass("Call to SDL_setenv('%s','%s', %i)", name, value1, overwrite);
SDLTest_AssertCheck(result == 0, "Check result, expected: 0, got: %i", result);
/* Check value */
text = SDL_getenv(name);
SDLTest_AssertPass("Call to SDL_getenv('%s')", name);
SDLTest_AssertCheck(text != NULL, "Verify returned text is not NULL");
if (text != NULL) {
SDLTest_AssertCheck(
SDL_strcmp(text, expected) == 0,
"Verify returned text, expected: %s, got: %s",
expected,
text);
}
/* Set value 2 with overwrite */
overwrite = 1;
expected = value2;
result = SDL_setenv(name, value2, overwrite);
SDLTest_AssertPass("Call to SDL_setenv('%s','%s', %i)", name, value2, overwrite);
SDLTest_AssertCheck(result == 0, "Check result, expected: 0, got: %i", result);
/* Check value */
text = SDL_getenv(name);
SDLTest_AssertPass("Call to SDL_getenv('%s')", name);
SDLTest_AssertCheck(text != NULL, "Verify returned text is not NULL");
if (text != NULL) {
SDLTest_AssertCheck(
SDL_strcmp(text, expected) == 0,
"Verify returned text, expected: %s, got: %s",
expected,
text);
}
/* Set value 1 without overwrite */
overwrite = 0;
expected = value2;
result = SDL_setenv(name, value1, overwrite);
SDLTest_AssertPass("Call to SDL_setenv('%s','%s', %i)", name, value1, overwrite);
SDLTest_AssertCheck(result == 0, "Check result, expected: 0, got: %i", result);
/* Check value */
text = SDL_getenv(name);
SDLTest_AssertPass("Call to SDL_getenv('%s')", name);
SDLTest_AssertCheck(text != NULL, "Verify returned text is not NULL");
if (text != NULL) {
SDLTest_AssertCheck(
SDL_strcmp(text, expected) == 0,
"Verify returned text, expected: %s, got: %s",
expected,
text);
}
/* Set value 1 without overwrite */
overwrite = 1;
expected = value1;
result = SDL_setenv(name, value1, overwrite);
SDLTest_AssertPass("Call to SDL_setenv('%s','%s', %i)", name, value1, overwrite);
SDLTest_AssertCheck(result == 0, "Check result, expected: 0, got: %i", result);
/* Check value */
text = SDL_getenv(name);
SDLTest_AssertPass("Call to SDL_getenv('%s')", name);
SDLTest_AssertCheck(text != NULL, "Verify returned text is not NULL");
if (text != NULL) {
SDLTest_AssertCheck(
SDL_strcmp(text, expected) == 0,
"Verify returned text, expected: %s, got: %s",
expected,
text);
}
/* Negative cases */
for (overwrite = 0; overwrite <= 1; overwrite++) {
result = SDL_setenv(NULL, value1, overwrite);
SDLTest_AssertPass("Call to SDL_setenv(NULL,'%s', %i)", value1, overwrite);
SDLTest_AssertCheck(result == -1, "Check result, expected: -1, got: %i", result);
result = SDL_setenv("", value1, overwrite);
SDLTest_AssertPass("Call to SDL_setenv('','%s', %i)", value1, overwrite);
SDLTest_AssertCheck(result == -1, "Check result, expected: -1, got: %i", result);
result = SDL_setenv("=", value1, overwrite);
SDLTest_AssertPass("Call to SDL_setenv('=','%s', %i)", value1, overwrite);
SDLTest_AssertCheck(result == -1, "Check result, expected: -1, got: %i", result);
result = SDL_setenv(name, NULL, overwrite);
SDLTest_AssertPass("Call to SDL_setenv('%s', NULL, %i)", name, overwrite);
SDLTest_AssertCheck(result == -1, "Check result, expected: -1, got: %i", result);
}
/* Clean up */
SDL_free(value1);
SDL_free(value2);
return TEST_COMPLETED;
}
#if defined(HAVE_WFORMAT) || defined(HAVE_WFORMAT_EXTRA_ARGS)
#pragma GCC diagnostic push
#ifdef HAVE_WFORMAT
#pragma GCC diagnostic ignored "-Wformat"
#endif
#ifdef HAVE_WFORMAT_EXTRA_ARGS
#pragma GCC diagnostic ignored "-Wformat-extra-args"
#endif
#endif
/**
* Call to SDL_sscanf
*/
#undef SDL_sscanf
static int stdlib_sscanf(void *arg)
{
int output;
int result;
int expected_output;
int expected_result;
short short_output, expected_short_output;
long long_output, expected_long_output;
long long long_long_output, expected_long_long_output;
size_t size_output, expected_size_output;
char text[128], text2[128];
expected_output = output = 123;
expected_result = -1;
result = SDL_sscanf("", "%i", &output);
SDLTest_AssertPass("Call to SDL_sscanf(\"\", \"%%i\", &output)");
SDLTest_AssertCheck(expected_output == output, "Check output, expected: %i, got: %i", expected_output, output);
SDLTest_AssertCheck(expected_result == result, "Check return value, expected: %i, got: %i", expected_result, result);
expected_output = output = 123;
expected_result = 0;
result = SDL_sscanf("a", "%i", &output);
SDLTest_AssertPass("Call to SDL_sscanf(\"a\", \"%%i\", &output)");
SDLTest_AssertCheck(expected_output == output, "Check output, expected: %i, got: %i", expected_output, output);
SDLTest_AssertCheck(expected_result == result, "Check return value, expected: %i, got: %i", expected_result, result);
output = 123;
expected_output = 2;
expected_result = 1;
result = SDL_sscanf("2", "%i", &output);
SDLTest_AssertPass("Call to SDL_sscanf(\"2\", \"%%i\", &output)");
SDLTest_AssertCheck(expected_output == output, "Check output, expected: %i, got: %i", expected_output, output);
SDLTest_AssertCheck(expected_result == result, "Check return value, expected: %i, got: %i", expected_result, result);
output = 123;
expected_output = 0xa;
expected_result = 1;
result = SDL_sscanf("aa", "%1x", &output);
SDLTest_AssertPass("Call to SDL_sscanf(\"aa\", \"%%1x\", &output)");
SDLTest_AssertCheck(expected_output == output, "Check output, expected: %i, got: %i", expected_output, output);
SDLTest_AssertCheck(expected_result == result, "Check return value, expected: %i, got: %i", expected_result, result);
#define SIZED_TEST_CASE(type, var, format_specifier) \
var##_output = 123; \
expected_##var##_output = (type)(((unsigned type)(~0)) >> 1); \
expected_result = 1; \
result = SDL_snprintf(text, sizeof(text), format_specifier, expected_##var##_output); \
result = SDL_sscanf(text, format_specifier, &var##_output); \
SDLTest_AssertPass("Call to SDL_sscanf(\"%s\", \"%s\", &output)", text, #format_specifier); \
SDLTest_AssertCheck(expected_##var##_output == var##_output, "Check output, expected: " format_specifier ", got: " format_specifier, expected_##var##_output, var##_output); \
SDLTest_AssertCheck(expected_result == result, "Check return value, expected: %i, got: %i", expected_result, result); \
\
var##_output = 123; \
expected_##var##_output = ~(type)(((unsigned type)(~0)) >> 1); \
expected_result = 1; \
result = SDL_snprintf(text, sizeof(text), format_specifier, expected_##var##_output); \
result = SDL_sscanf(text, format_specifier, &var##_output); \
SDLTest_AssertPass("Call to SDL_sscanf(\"%s\", \"%s\", &output)", text, #format_specifier); \
SDLTest_AssertCheck(expected_##var##_output == var##_output, "Check output, expected: " format_specifier ", got: " format_specifier, expected_##var##_output, var##_output); \
SDLTest_AssertCheck(expected_result == result, "Check return value, expected: %i, got: %i", expected_result, result);
SIZED_TEST_CASE(short, short, "%hd")
SIZED_TEST_CASE(long, long, "%ld")
SIZED_TEST_CASE(long long, long_long, "%lld")
size_output = 123;
expected_size_output = ~((size_t)0);
expected_result = 1;
result = SDL_snprintf(text, sizeof(text), "%zu", expected_size_output);
result = SDL_sscanf(text, "%zu", &size_output);
SDLTest_AssertPass("Call to SDL_sscanf(\"%s\", \"%%zu\", &output)", text);
SDLTest_AssertCheck(expected_size_output == size_output, "Check output, expected: %zu, got: %zu", expected_size_output, size_output);
SDLTest_AssertCheck(expected_result == result, "Check return value, expected: %i, got: %i", expected_result, result);
expected_result = 1;
text[0] = '\0';
result = SDL_sscanf("abc def", "%s", text);
SDLTest_AssertPass("Call to SDL_sscanf(\"abc def\", \"%%s\", text)");
SDLTest_AssertCheck(SDL_strcmp(text, "abc") == 0, "Check output, expected: \"abc\", got: \"%s\"", text);
SDLTest_AssertCheck(expected_result == result, "Check return value, expected: %i, got: %i", expected_result, result);
expected_result = 1;
text[0] = '\0';
result = SDL_sscanf("abc,def", "%s", text);
SDLTest_AssertPass("Call to SDL_sscanf(\"abc,def\", \"%%s\", text)");
SDLTest_AssertCheck(SDL_strcmp(text, "abc,def") == 0, "Check output, expected: \"abc\", got: \"%s\"", text);
SDLTest_AssertCheck(expected_result == result, "Check return value, expected: %i, got: %i", expected_result, result);
expected_result = 1;
text[0] = '\0';
result = SDL_sscanf("abc,def", "%[cba]", text);
SDLTest_AssertPass("Call to SDL_sscanf(\"abc,def\", \"%%[cba]\", text)");
SDLTest_AssertCheck(SDL_strcmp(text, "abc") == 0, "Check output, expected: \"abc\", got: \"%s\"", text);
SDLTest_AssertCheck(expected_result == result, "Check return value, expected: %i, got: %i", expected_result, result);
expected_result = 1;
text[0] = '\0';
result = SDL_sscanf("abc,def", "%[a-z]", text);
SDLTest_AssertPass("Call to SDL_sscanf(\"abc,def\", \"%%[z-a]\", text)");
SDLTest_AssertCheck(SDL_strcmp(text, "abc") == 0, "Check output, expected: \"abc\", got: \"%s\"", text);
SDLTest_AssertCheck(expected_result == result, "Check return value, expected: %i, got: %i", expected_result, result);
expected_result = 1;
text[0] = '\0';
result = SDL_sscanf("abc,def", "%[^,]", text);
SDLTest_AssertPass("Call to SDL_sscanf(\"abc,def\", \"%%[^,]\", text)");
SDLTest_AssertCheck(SDL_strcmp(text, "abc") == 0, "Check output, expected: \"abc\", got: \"%s\"", text);
SDLTest_AssertCheck(expected_result == result, "Check return value, expected: %i, got: %i", expected_result, result);
expected_result = 0;
text[0] = '\0';
result = SDL_sscanf("abc,def", "%[A-Z]", text);
SDLTest_AssertPass("Call to SDL_sscanf(\"abc,def\", \"%%[A-Z]\", text)");
SDLTest_AssertCheck(SDL_strcmp(text, "") == 0, "Check output, expected: \"\", got: \"%s\"", text);
SDLTest_AssertCheck(expected_result == result, "Check return value, expected: %i, got: %i", expected_result, result);
expected_result = 2;
text[0] = '\0';
text2[0] = '\0';
result = SDL_sscanf("abc,def", "%[abc],%[def]", text, text2);
SDLTest_AssertPass("Call to SDL_sscanf(\"abc,def\", \"%%[abc],%%[def]\", text)");
SDLTest_AssertCheck(SDL_strcmp(text, "abc") == 0, "Check output, expected: \"abc\", got: \"%s\"", text);
SDLTest_AssertCheck(SDL_strcmp(text2, "def") == 0, "Check output, expected: \"def\", got: \"%s\"", text2);
SDLTest_AssertCheck(expected_result == result, "Check return value, expected: %i, got: %i", expected_result, result);
expected_result = 2;
text[0] = '\0';
text2[0] = '\0';
result = SDL_sscanf("abc,def", "%[abc]%*[,]%[def]", text, text2);
SDLTest_AssertPass("Call to SDL_sscanf(\"abc,def\", \"%%[abc]%%*[,]%%[def]\", text)");
SDLTest_AssertCheck(SDL_strcmp(text, "abc") == 0, "Check output, expected: \"abc\", got: \"%s\"", text);
SDLTest_AssertCheck(SDL_strcmp(text2, "def") == 0, "Check output, expected: \"def\", got: \"%s\"", text2);
SDLTest_AssertCheck(expected_result == result, "Check return value, expected: %i, got: %i", expected_result, result);
expected_result = 2;
text[0] = '\0';
text2[0] = '\0';
result = SDL_sscanf("abc def", "%[abc] %[def]", text, text2);
SDLTest_AssertPass("Call to SDL_sscanf(\"abc def\", \"%%[abc] %%[def]\", text)");
SDLTest_AssertCheck(SDL_strcmp(text, "abc") == 0, "Check output, expected: \"abc\", got: \"%s\"", text);
SDLTest_AssertCheck(SDL_strcmp(text2, "def") == 0, "Check output, expected: \"def\", got: \"%s\"", text2);
SDLTest_AssertCheck(expected_result == result, "Check return value, expected: %i, got: %i", expected_result, result);
expected_result = 1;
text[0] = '\0';
result = SDL_sscanf("abc123XYZ", "%[a-zA-Z0-9]", text);
SDLTest_AssertPass("Call to SDL_sscanf(\"abc123XYZ\", \"%%[a-zA-Z0-9]\", text)");
SDLTest_AssertCheck(SDL_strcmp(text, "abc123XYZ") == 0, "Check output, expected: \"abc123XYZ\", got: \"%s\"", text);
SDLTest_AssertCheck(expected_result == result, "Check return value, expected: %i, got: %i", expected_result, result);
return TEST_COMPLETED;
}
#if defined(HAVE_WFORMAT) || defined(HAVE_WFORMAT_EXTRA_ARGS)
#pragma GCC diagnostic pop
#endif
#ifdef _WIN64
#define SIZE_FORMAT "I64u"
#elif defined(SDL_PLATFORM_WIN32)
#define SIZE_FORMAT "I32u"
#else
#define SIZE_FORMAT "zu"
#endif
/**
* Call to SDL_aligned_alloc
*/
static int stdlib_aligned_alloc(void *arg)
{
size_t i, alignment;
void *ptr;
for (i = 0; i < 2*sizeof(void *); ++i) {
SDLTest_AssertPass("Call to SDL_aligned_alloc(%"SIZE_FORMAT")", i);
ptr = SDL_aligned_alloc(i, 1);
if (i < sizeof(void *)) {
alignment = sizeof(void *);
} else {
alignment = i;
}
SDLTest_AssertCheck(ptr != NULL, "Check output, expected non-NULL, got: %p", ptr);
SDLTest_AssertCheck((((size_t)ptr) % alignment) == 0, "Check output, expected aligned pointer, actual offset: %"SIZE_FORMAT, (((size_t)ptr) % alignment));
SDLTest_AssertPass("Filling memory to alignment value");
SDL_memset(ptr, 0xAA, alignment);
SDL_aligned_free(ptr);
}
return TEST_COMPLETED;
}
typedef struct
{
size_t a;
size_t b;
size_t result;
int status;
} overflow_test;
static const overflow_test multiplications[] = {
{ 1, 1, 1, 0 },
{ 0, 0, 0, 0 },
{ SDL_SIZE_MAX, 0, 0, 0 },
{ SDL_SIZE_MAX, 1, SDL_SIZE_MAX, 0 },
{ SDL_SIZE_MAX / 2, 2, SDL_SIZE_MAX - (SDL_SIZE_MAX % 2), 0 },
{ SDL_SIZE_MAX / 23, 23, SDL_SIZE_MAX - (SDL_SIZE_MAX % 23), 0 },
{ (SDL_SIZE_MAX / 2) + 1, 2, 0, -1 },
{ (SDL_SIZE_MAX / 23) + 42, 23, 0, -1 },
{ SDL_SIZE_MAX, SDL_SIZE_MAX, 0, -1 },
};
static const overflow_test additions[] = {
{ 1, 1, 2, 0 },
{ 0, 0, 0, 0 },
{ SDL_SIZE_MAX, 0, SDL_SIZE_MAX, 0 },
{ SDL_SIZE_MAX - 1, 1, SDL_SIZE_MAX, 0 },
{ SDL_SIZE_MAX - 42, 23, SDL_SIZE_MAX - (42 - 23), 0 },
{ SDL_SIZE_MAX, 1, 0, -1 },
{ SDL_SIZE_MAX, 23, 0, -1 },
{ SDL_SIZE_MAX, SDL_SIZE_MAX, 0, -1 },
};
static int
stdlib_overflow(void *arg)
{
size_t i;
size_t useBuiltin;
for (useBuiltin = 0; useBuiltin < 2; useBuiltin++) {
if (useBuiltin) {
SDLTest_Log("Using gcc/clang builtins if possible");
} else {
SDLTest_Log("Not using gcc/clang builtins");
}
for (i = 0; i < SDL_arraysize(multiplications); i++) {
const overflow_test *t = &multiplications[i];
int status;
size_t result = ~t->result;
if (useBuiltin) {
status = SDL_size_mul_overflow(t->a, t->b, &result);
} else {
/* This disables the macro that tries to use a gcc/clang
* builtin, so we test the fallback implementation instead. */
status = (SDL_size_mul_overflow)(t->a, t->b, &result);
}
if (t->status == 0) {
SDLTest_AssertCheck(status == 0,
"(%" SIZE_FORMAT " * %" SIZE_FORMAT ") should succeed",
t->a, t->b);
SDLTest_AssertCheck(result == t->result,
"(%" SIZE_FORMAT " * %" SIZE_FORMAT "): expected %" SIZE_FORMAT ", got %" SIZE_FORMAT,
t->a, t->b, t->result, result);
} else {
SDLTest_AssertCheck(status == -1,
"(%" SIZE_FORMAT " * %" SIZE_FORMAT ") should fail",
t->a, t->b);
}
if (t->a == t->b) {
continue;
}
result = ~t->result;
if (useBuiltin) {
status = SDL_size_mul_overflow(t->b, t->a, &result);
} else {
status = (SDL_size_mul_overflow)(t->b, t->a, &result);
}
if (t->status == 0) {
SDLTest_AssertCheck(status == 0,
"(%" SIZE_FORMAT " * %" SIZE_FORMAT ") should succeed",
t->b, t->a);
SDLTest_AssertCheck(result == t->result,
"(%" SIZE_FORMAT " * %" SIZE_FORMAT "): expected %" SIZE_FORMAT ", got %" SIZE_FORMAT,
t->b, t->a, t->result, result);
} else {
SDLTest_AssertCheck(status == -1,
"(%" SIZE_FORMAT " * %" SIZE_FORMAT ") should fail",
t->b, t->a);
}
}
for (i = 0; i < SDL_arraysize(additions); i++) {
const overflow_test *t = &additions[i];
int status;
size_t result = ~t->result;
if (useBuiltin) {
status = SDL_size_add_overflow(t->a, t->b, &result);
} else {
status = (SDL_size_add_overflow)(t->a, t->b, &result);
}
if (t->status == 0) {
SDLTest_AssertCheck(status == 0,
"(%" SIZE_FORMAT " + %" SIZE_FORMAT ") should succeed",
t->a, t->b);
SDLTest_AssertCheck(result == t->result,
"(%" SIZE_FORMAT " + %" SIZE_FORMAT "): expected %" SIZE_FORMAT ", got %" SIZE_FORMAT,
t->a, t->b, t->result, result);
} else {
SDLTest_AssertCheck(status == -1,
"(%" SIZE_FORMAT " + %" SIZE_FORMAT ") should fail",
t->a, t->b);
}
if (t->a == t->b) {
continue;
}
result = ~t->result;
if (useBuiltin) {
status = SDL_size_add_overflow(t->b, t->a, &result);
} else {
status = (SDL_size_add_overflow)(t->b, t->a, &result);
}
if (t->status == 0) {
SDLTest_AssertCheck(status == 0,
"(%" SIZE_FORMAT " + %" SIZE_FORMAT ") should succeed",
t->b, t->a);
SDLTest_AssertCheck(result == t->result,
"(%" SIZE_FORMAT " + %" SIZE_FORMAT "): expected %" SIZE_FORMAT ", got %" SIZE_FORMAT,
t->b, t->a, t->result, result);
} else {
SDLTest_AssertCheck(status == -1,
"(%" SIZE_FORMAT " + %" SIZE_FORMAT ") should fail",
t->b, t->a);
}
}
}
return TEST_COMPLETED;
}
/* ================= Test References ================== */
/* Standard C routine test cases */
static const SDLTest_TestCaseReference stdlibTest1 = {
stdlib_strnlen, "stdlib_strnlen", "Call to SDL_strnlen", TEST_ENABLED
};
static const SDLTest_TestCaseReference stdlibTest2 = {
stdlib_strlcpy, "stdlib_strlcpy", "Call to SDL_strlcpy", TEST_ENABLED
};
static const SDLTest_TestCaseReference stdlibTest3 = {
stdlib_strstr, "stdlib_strstr", "Call to SDL_strstr", TEST_ENABLED
};
static const SDLTest_TestCaseReference stdlibTest4 = {
stdlib_snprintf, "stdlib_snprintf", "Call to SDL_snprintf", TEST_ENABLED
};
static const SDLTest_TestCaseReference stdlibTest5 = {
stdlib_swprintf, "stdlib_swprintf", "Call to SDL_swprintf", TEST_ENABLED
};
static const SDLTest_TestCaseReference stdlibTest6 = {
stdlib_getsetenv, "stdlib_getsetenv", "Call to SDL_getenv and SDL_setenv", TEST_ENABLED
};
static const SDLTest_TestCaseReference stdlibTest7 = {
stdlib_sscanf, "stdlib_sscanf", "Call to SDL_sscanf", TEST_ENABLED
};
static const SDLTest_TestCaseReference stdlibTest8 = {
stdlib_aligned_alloc, "stdlib_aligned_alloc", "Call to SDL_aligned_alloc", TEST_ENABLED
};
static const SDLTest_TestCaseReference stdlibTestOverflow = {
stdlib_overflow, "stdlib_overflow", "Overflow detection", TEST_ENABLED
};
/* Sequence of Standard C routine test cases */
static const SDLTest_TestCaseReference *stdlibTests[] = {
&stdlibTest1,
&stdlibTest2,
&stdlibTest3,
&stdlibTest4,
&stdlibTest5,
&stdlibTest6,
&stdlibTest7,
&stdlibTest8,
&stdlibTestOverflow,
NULL
};
/* Standard C routine test suite (global) */
SDLTest_TestSuiteReference stdlibTestSuite = {
"Stdlib",
NULL,
stdlibTests,
NULL
};
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