diff options
Diffstat (limited to 'test/std/language.support/support.runtime/cstdlib.pass.cpp')
| -rw-r--r-- | test/std/language.support/support.runtime/cstdlib.pass.cpp | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/test/std/language.support/support.runtime/cstdlib.pass.cpp b/test/std/language.support/support.runtime/cstdlib.pass.cpp index 073949122b01..d8f88cf58d9d 100644 --- a/test/std/language.support/support.runtime/cstdlib.pass.cpp +++ b/test/std/language.support/support.runtime/cstdlib.pass.cpp @@ -11,6 +11,13 @@ #include <cstdlib> #include <type_traits> +#include <cassert> + +// As of 1/10/2015 clang emits a -Wnonnull warnings even if the warning occurs +// in an unevaluated context. For this reason we manually suppress the warning. +#if defined(__clang__) +#pragma clang diagnostic ignored "-Wnonnull" +#endif #ifndef EXIT_FAILURE #error EXIT_FAILURE not defined @@ -32,12 +39,23 @@ #error RAND_MAX not defined #endif +template <class TestType, class IntType> +void test_div_struct() { + TestType obj; + static_assert(sizeof(obj) >= sizeof(IntType) * 2, ""); // >= to account for alignment. + static_assert((std::is_same<decltype(obj.quot), IntType>::value), ""); + static_assert((std::is_same<decltype(obj.rem), IntType>::value), ""); + ((void) obj); +}; + int main() { std::size_t s = 0; - std::div_t d; - std::ldiv_t ld; - std::lldiv_t lld; + ((void)s); + static_assert((std::is_same<std::size_t, decltype(sizeof(int))>::value), ""); + test_div_struct<std::div_t, int>(); + test_div_struct<std::ldiv_t, long>(); + test_div_struct<std::lldiv_t, long long>(); char** endptr = 0; static_assert((std::is_same<decltype(std::atof("")), double>::value), ""); static_assert((std::is_same<decltype(std::atoi("")), int>::value), ""); |