diff options
Diffstat (limited to 'test/monniaux/volatile/volatile_test.c')
-rw-r--r-- | test/monniaux/volatile/volatile_test.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/test/monniaux/volatile/volatile_test.c b/test/monniaux/volatile/volatile_test.c new file mode 100644 index 00000000..687544ec --- /dev/null +++ b/test/monniaux/volatile/volatile_test.c @@ -0,0 +1,33 @@ +#include <stdint.h> +#include <float.h> +#include <stdio.h> + +#define TEST_TYPE(type, min, max) \ + { \ + volatile type var; \ + var = min; \ + if (var != min) { \ + printf("%s: wrong min\n", #type); \ + } \ + var = max; \ + if (var != max) { \ + printf("%s: wrong max\n", #type); \ + } \ + } + +#define TEST_INT_TYPE(type, min, max) TEST_TYPE(type##_t, min, max) + +int main() { + TEST_INT_TYPE(uint8, 0, UINT8_MAX); + TEST_INT_TYPE(int8, INT8_MIN, INT8_MAX); + TEST_INT_TYPE(uint16, 0, UINT16_MAX); + TEST_INT_TYPE(int16, INT16_MIN, INT16_MAX); + TEST_INT_TYPE(uint32, 0, UINT32_MAX); + TEST_INT_TYPE(int32, INT32_MIN, INT32_MAX); + TEST_INT_TYPE(uint64, 0, UINT64_MAX); + TEST_INT_TYPE(int64, INT64_MIN, INT64_MAX); + + TEST_TYPE(float, FLT_MIN, FLT_MAX); + TEST_TYPE(double, DBL_MIN, DBL_MAX); + return 0; +} |