diff options
Diffstat (limited to 'test/std/containers/unord/unord.set/max_load_factor.pass.cpp')
-rw-r--r-- | test/std/containers/unord/unord.set/max_load_factor.pass.cpp | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/test/std/containers/unord/unord.set/max_load_factor.pass.cpp b/test/std/containers/unord/unord.set/max_load_factor.pass.cpp new file mode 100644 index 000000000000..d326f4a2d7e2 --- /dev/null +++ b/test/std/containers/unord/unord.set/max_load_factor.pass.cpp @@ -0,0 +1,70 @@ +//===----------------------------------------------------------------------===// +// +// 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. +// +//===----------------------------------------------------------------------===// + +// <unordered_set> + +// template <class Value, class Hash = hash<Value>, class Pred = equal_to<Value>, +// class Alloc = allocator<Value>> +// class unordered_set + +// float max_load_factor() const; +// void max_load_factor(float mlf); + +#ifdef _LIBCPP_DEBUG +#define _LIBCPP_ASSERT(x, m) ((x) ? (void)0 : std::exit(0)) +#endif + +#include <unordered_set> +#include <cassert> + +#include "min_allocator.h" + +int main() +{ + { + typedef std::unordered_set<int> C; + typedef int P; + const C c; + assert(c.max_load_factor() == 1); + } + { + typedef std::unordered_set<int> C; + typedef int P; + C c; + assert(c.max_load_factor() == 1); + c.max_load_factor(2.5); + assert(c.max_load_factor() == 2.5); + } +#if __cplusplus >= 201103L + { + typedef std::unordered_set<int, std::hash<int>, + std::equal_to<int>, min_allocator<int>> C; + typedef int P; + const C c; + assert(c.max_load_factor() == 1); + } + { + typedef std::unordered_set<int, std::hash<int>, + std::equal_to<int>, min_allocator<int>> C; + typedef int P; + C c; + assert(c.max_load_factor() == 1); + c.max_load_factor(2.5); + assert(c.max_load_factor() == 2.5); + } +#endif +#if _LIBCPP_DEBUG_LEVEL >= 1 + { + typedef std::unordered_set<int> C; + C c; + c.max_load_factor(-0.5f); + assert(false); + } +#endif +} |