diff options
Diffstat (limited to 'libcxx/test/std/language.support/support.limits/limits/numeric.limits')
-rw-r--r-- | libcxx/test/std/language.support/support.limits/limits/numeric.limits/default.pass.cpp | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/libcxx/test/std/language.support/support.limits/limits/numeric.limits/default.pass.cpp b/libcxx/test/std/language.support/support.limits/limits/numeric.limits/default.pass.cpp new file mode 100644 index 00000000000..6cf5681d82b --- /dev/null +++ b/libcxx/test/std/language.support/support.limits/limits/numeric.limits/default.pass.cpp @@ -0,0 +1,83 @@ +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// test numeric_limits + +// The default numeric_limits<T> template shall have all members, but with +// 0 or false values. + +#include <limits> +#include <cassert> + +struct A +{ + A(int i = 0) : data_(i) {} + int data_; +}; + +bool operator == (const A& x, const A& y) {return x.data_ == y.data_;} + +int main() +{ + static_assert(std::numeric_limits<A>::is_specialized == false, + "std::numeric_limits<A>::is_specialized == false"); + assert(std::numeric_limits<A>::min() == A()); + assert(std::numeric_limits<A>::max() == A()); + assert(std::numeric_limits<A>::lowest() == A()); + static_assert(std::numeric_limits<A>::digits == 0, + "std::numeric_limits<A>::digits == 0"); + static_assert(std::numeric_limits<A>::digits10 == 0, + "std::numeric_limits<A>::digits10 == 0"); + static_assert(std::numeric_limits<A>::max_digits10 == 0, + "std::numeric_limits<A>::max_digits10 == 0"); + static_assert(std::numeric_limits<A>::is_signed == false, + "std::numeric_limits<A>::is_signed == false"); + static_assert(std::numeric_limits<A>::is_integer == false, + "std::numeric_limits<A>::is_integer == false"); + static_assert(std::numeric_limits<A>::is_exact == false, + "std::numeric_limits<A>::is_exact == false"); + static_assert(std::numeric_limits<A>::radix == 0, + "std::numeric_limits<A>::radix == 0"); + assert(std::numeric_limits<A>::epsilon() == A()); + assert(std::numeric_limits<A>::round_error() == A()); + static_assert(std::numeric_limits<A>::min_exponent == 0, + "std::numeric_limits<A>::min_exponent == 0"); + static_assert(std::numeric_limits<A>::min_exponent10 == 0, + "std::numeric_limits<A>::min_exponent10 == 0"); + static_assert(std::numeric_limits<A>::max_exponent == 0, + "std::numeric_limits<A>::max_exponent == 0"); + static_assert(std::numeric_limits<A>::max_exponent10 == 0, + "std::numeric_limits<A>::max_exponent10 == 0"); + static_assert(std::numeric_limits<A>::has_infinity == false, + "std::numeric_limits<A>::has_infinity == false"); + static_assert(std::numeric_limits<A>::has_quiet_NaN == false, + "std::numeric_limits<A>::has_quiet_NaN == false"); + static_assert(std::numeric_limits<A>::has_signaling_NaN == false, + "std::numeric_limits<A>::has_signaling_NaN == false"); + static_assert(std::numeric_limits<A>::has_denorm == std::denorm_absent, + "std::numeric_limits<A>::has_denorm == std::denorm_absent"); + static_assert(std::numeric_limits<A>::has_denorm_loss == false, + "std::numeric_limits<A>::has_denorm_loss == false"); + assert(std::numeric_limits<A>::infinity() == A()); + assert(std::numeric_limits<A>::quiet_NaN() == A()); + assert(std::numeric_limits<A>::signaling_NaN() == A()); + assert(std::numeric_limits<A>::denorm_min() == A()); + static_assert(std::numeric_limits<A>::is_iec559 == false, + "std::numeric_limits<A>::is_iec559 == false"); + static_assert(std::numeric_limits<A>::is_bounded == false, + "std::numeric_limits<A>::is_bounded == false"); + static_assert(std::numeric_limits<A>::is_modulo == false, + "std::numeric_limits<A>::is_modulo == false"); + static_assert(std::numeric_limits<A>::traps == false, + "std::numeric_limits<A>::traps == false"); + static_assert(std::numeric_limits<A>::tinyness_before == false, + "std::numeric_limits<A>::tinyness_before == false"); + static_assert(std::numeric_limits<A>::round_style == std::round_toward_zero, + "std::numeric_limits<A>::round_style == std::round_toward_zero"); +} |