diff options
Diffstat (limited to 'libcxx')
| -rw-r--r-- | libcxx/include/vector | 1 | ||||
| -rw-r--r-- | libcxx/test/std/containers/sequences/vector.bool/reference.swap.pass.cpp | 31 |
2 files changed, 32 insertions, 0 deletions
diff --git a/libcxx/include/vector b/libcxx/include/vector index 0e413350de7..81c514ee6b7 100644 --- a/libcxx/include/vector +++ b/libcxx/include/vector @@ -2363,6 +2363,7 @@ public: _NOEXCEPT_(!__alloc_traits::propagate_on_container_swap::value || __is_nothrow_swappable<allocator_type>::value); #endif + static void swap(reference __x, reference __y) _NOEXCEPT { _VSTD::swap(__x, __y); } void resize(size_type __sz, value_type __x = false); void flip() _NOEXCEPT; diff --git a/libcxx/test/std/containers/sequences/vector.bool/reference.swap.pass.cpp b/libcxx/test/std/containers/sequences/vector.bool/reference.swap.pass.cpp new file mode 100644 index 00000000000..d76d4ed2c68 --- /dev/null +++ b/libcxx/test/std/containers/sequences/vector.bool/reference.swap.pass.cpp @@ -0,0 +1,31 @@ +//===----------------------------------------------------------------------===// +// +// 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. +// +//===----------------------------------------------------------------------===// + +// <vector> +// vector<bool> + +// static void swap(reference x, reference y) noexcept; + +#include <vector> +#include <cassert> + +int main() +{ + bool a[] = {false, true, false, true}; + bool* an = a + sizeof(a)/sizeof(a[0]); + + std::vector<bool> v(a, an); + std::vector<bool>::reference r1 = v[0]; + std::vector<bool>::reference r2 = v[3]; + assert(!r1); + assert( r2); + v.swap(r1, r2); + assert( r1); + assert(!r2); +}
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