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Added size_t format specifier test coverage for SDL_snprintf and SDL_sscanf

main
Sam Lantinga 2022-09-19 15:34:17 -07:00
parent 101306edcf
commit c70ffc2a35
1 changed files with 45 additions and 0 deletions
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45
test/testautomation_stdlib.c
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@ -47,6 +47,7 @@ stdlib_snprintf(void *arg)
int predicted;
char text[1024];
const char *expected;
size_t size;
result = SDL_snprintf(text, sizeof(text), "%s", "foo");
expected = "foo";
@ -148,6 +149,13 @@ stdlib_snprintf(void *arg)
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);
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);
return TEST_COMPLETED;
}
@ -296,6 +304,11 @@ stdlib_sscanf(void *arg)
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];
expected_output = output = 123;
expected_result = -1;
@ -327,6 +340,38 @@ stdlib_sscanf(void *arg)
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);
return TEST_COMPLETED;
}