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testautomation: port back SDL3's strtol and strtod tests

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Triggered by b713e7581b
This commit is contained in:
Anonymous Maarten
2024-12-30 23:23:36 +01:00
parent adb51845af
commit 840638404a
1 changed files with 119 additions and 0 deletions
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119
test/testautomation_stdlib.c
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@@ -392,6 +392,9 @@ int stdlib_getsetenv(void *arg)
#endif
#endif
#define FMT_PRILLd "%lld"
#define FMT_PRILLu "%llu"
/**
* @brief Call to SDL_sscanf
*/
@@ -713,6 +716,112 @@ stdlib_overflow(void *arg)
return TEST_COMPLETED;
}
static int
stdlib_strtox(void *arg)
{
const unsigned long long ullong_max = ~0ULL;
#define STRTOX_TEST_CASE(func_name, type, format_spec, str, base, expected_result, expected_endp_offset) do { \
const char *s = str; \
type r, expected_r = expected_result; \
char *ep, *expected_ep = (char *)s + expected_endp_offset; \
r = func_name(s, &ep, base); \
SDLTest_AssertPass("Call to " #func_name "(" #str ", &endp, " #base ")"); \
SDLTest_AssertCheck(r == expected_r, "Check result value, expected: " format_spec ", got: " format_spec, expected_r, r); \
SDLTest_AssertCheck(ep == expected_ep, "Check endp value, expected: %p, got: %p", expected_ep, ep); \
} while (0)
// infer decimal
STRTOX_TEST_CASE(SDL_strtoull, unsigned long long, FMT_PRILLu, "\t 123abcxyz", 0, 123, 6); // skip leading space
STRTOX_TEST_CASE(SDL_strtoull, unsigned long long, FMT_PRILLu, "+123abcxyz", 0, 123, 4);
STRTOX_TEST_CASE(SDL_strtoull, unsigned long long, FMT_PRILLu, "+123abcxyz", 0, 123, 4);
STRTOX_TEST_CASE(SDL_strtoull, unsigned long long, FMT_PRILLu, "-123abcxyz", 0, -123, 4);
STRTOX_TEST_CASE(SDL_strtoull, unsigned long long, FMT_PRILLu, "9999999999999999999999999999999999999999abcxyz", 0, ullong_max, 40);
// infer hexadecimal
STRTOX_TEST_CASE(SDL_strtoull, unsigned long long, FMT_PRILLu, "0x123abcxyz", 0, 0x123abc, 8);
STRTOX_TEST_CASE(SDL_strtoull, unsigned long long, FMT_PRILLu, "0X123ABCXYZ", 0, 0x123abc, 8); // uppercase X
// infer octal
STRTOX_TEST_CASE(SDL_strtoull, unsigned long long, FMT_PRILLu, "0123abcxyz", 0, 0123, 4);
// arbitrary bases
STRTOX_TEST_CASE(SDL_strtoull, unsigned long long, FMT_PRILLu, "00110011", 2, 51, 8);
STRTOX_TEST_CASE(SDL_strtoull, unsigned long long, FMT_PRILLu, "-uvwxyz", 32, -991, 3);
STRTOX_TEST_CASE(SDL_strtoull, unsigned long long, FMT_PRILLu, "ZzZzZzZzZzZzZzZzZzZzZzZzZ", 36, ullong_max, 25);
STRTOX_TEST_CASE(SDL_strtoull, unsigned long long, FMT_PRILLu, "0", 0, 0, 1);
STRTOX_TEST_CASE(SDL_strtoull, unsigned long long, FMT_PRILLu, "0", 10, 0, 1);
STRTOX_TEST_CASE(SDL_strtoull, unsigned long long, FMT_PRILLu, "-0", 0, 0, 2);
STRTOX_TEST_CASE(SDL_strtoull, unsigned long long, FMT_PRILLu, "-0", 10, 0, 2);
STRTOX_TEST_CASE(SDL_strtoull, unsigned long long, FMT_PRILLu, " - 1", 0, 0, 0); // invalid input
// We know that SDL_strtol, SDL_strtoul and SDL_strtoll share the same code path as SDL_strtoull under the hood,
// so the most interesting test cases are those close to the bounds of the integer type.
// For simplicity, we only run long/long long tests when they are 32-bit/64-bit, respectively.
// Suppressing warnings would be difficult otherwise.
// Since the CI runs the tests against a variety of targets, this should be fine in practice.
if (sizeof(long) == 4) {
STRTOX_TEST_CASE(SDL_strtol, long, "%ld", "0", 0, 0, 1);
STRTOX_TEST_CASE(SDL_strtol, long, "%ld", "0", 10, 0, 1);
STRTOX_TEST_CASE(SDL_strtol, long, "%ld", "-0", 0, 0, 2);
STRTOX_TEST_CASE(SDL_strtol, long, "%ld", "-0", 10, 0, 2);
STRTOX_TEST_CASE(SDL_strtol, long, "%ld", "2147483647", 10, 2147483647, 10);
STRTOX_TEST_CASE(SDL_strtol, long, "%ld", "2147483648", 10, 2147483647, 10);
STRTOX_TEST_CASE(SDL_strtol, long, "%ld", "-2147483648", 10, -2147483647L - 1, 11);
STRTOX_TEST_CASE(SDL_strtol, long, "%ld", "-2147483649", 10, -2147483647L - 1, 11);
STRTOX_TEST_CASE(SDL_strtol, long, "%ld", "-9999999999999999999999999999999999999999", 10, -2147483647L - 1, 41);
STRTOX_TEST_CASE(SDL_strtoul, unsigned long, "%lu", "4294967295", 10, 4294967295UL, 10);
STRTOX_TEST_CASE(SDL_strtoul, unsigned long, "%lu", "4294967296", 10, 4294967295UL, 10);
STRTOX_TEST_CASE(SDL_strtoul, unsigned long, "%lu", "-4294967295", 10, 1, 11);
}
if (sizeof(long long) == 8) {
STRTOX_TEST_CASE(SDL_strtoll, long long, FMT_PRILLd, "0", 0, 0LL, 1);
STRTOX_TEST_CASE(SDL_strtoll, long long, FMT_PRILLd, "0", 10, 0LL, 1);
STRTOX_TEST_CASE(SDL_strtoll, long long, FMT_PRILLd, "-0", 0, 0LL, 2);
STRTOX_TEST_CASE(SDL_strtoll, long long, FMT_PRILLd, "-0", 10, 0LL, 2);
STRTOX_TEST_CASE(SDL_strtoll, long long, FMT_PRILLd, "9223372036854775807", 10, 9223372036854775807LL, 19);
STRTOX_TEST_CASE(SDL_strtoll, long long, FMT_PRILLd, "9223372036854775808", 10, 9223372036854775807LL, 19);
STRTOX_TEST_CASE(SDL_strtoll, long long, FMT_PRILLd, "-9223372036854775808", 10, -9223372036854775807LL - 1, 20);
STRTOX_TEST_CASE(SDL_strtoll, long long, FMT_PRILLd, "-9223372036854775809", 10, -9223372036854775807LL - 1, 20);
STRTOX_TEST_CASE(SDL_strtoll, long long, FMT_PRILLd, "-9999999999999999999999999999999999999999", 10, -9223372036854775807LL - 1, 41);
STRTOX_TEST_CASE(SDL_strtoull, unsigned long long, FMT_PRILLd, "18446744073709551615", 10, 18446744073709551615ULL, 20);
STRTOX_TEST_CASE(SDL_strtoull, unsigned long long, FMT_PRILLd, "18446744073709551616", 10, 18446744073709551615ULL, 20);
STRTOX_TEST_CASE(SDL_strtoull, unsigned long long, FMT_PRILLd, "-18446744073709551615", 10, 1, 21);
}
#undef STRTOX_TEST_CASE
return TEST_COMPLETED;
}
static int
stdlib_strtod(void *arg)
{
#define STRTOD_TEST_CASE(str, expected_result, expected_endp_offset) do { \
const char *s = str; \
double r, expected_r = expected_result; \
char *ep, *expected_ep = (char *)s + expected_endp_offset; \
r = SDL_strtod(s, &ep); \
SDLTest_AssertPass("Call to SDL_strtod(" #str ", &endp)"); \
SDLTest_AssertCheck(r == expected_r, "Check result value, expected: %f, got: %f", expected_r, r); \
SDLTest_AssertCheck(ep == expected_ep, "Check endp value, expected: %p, got: %p", expected_ep, ep); \
} while (0)
STRTOD_TEST_CASE("\t 123.75abcxyz", 123.75, 9); // skip leading space
STRTOD_TEST_CASE("+999.555", 999.555, 8);
STRTOD_TEST_CASE("-999.555", -999.555, 8);
#undef STRTOD_TEST_CASE
return TEST_COMPLETED;
}
/* ================= Test References ================== */
/* Standard C routine test cases */
@@ -736,6 +845,14 @@ static const SDLTest_TestCaseReference stdlibTestOverflow = {
stdlib_overflow, "stdlib_overflow", "Overflow detection", TEST_ENABLED
};
static const SDLTest_TestCaseReference stdlibTest_strtox = {
stdlib_strtox, "stdlib_strtox", "Calls to SDL_strtol, SDL_strtoul, SDL_strtoll and SDL_strtoull", 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 */
static const SDLTest_TestCaseReference *stdlibTests[] = {
&stdlibTest1,
@@ -743,6 +860,8 @@ static const SDLTest_TestCaseReference *stdlibTests[] = {
&stdlibTest3,
&stdlibTest4,
&stdlibTestOverflow,
&stdlibTest_strtox,
&stdlibTest_strtod,
NULL
};