diff options
Diffstat (limited to 'libcxx/test/std/strings/basic.string/string.nonmembers/string.special')
2 files changed, 132 insertions, 0 deletions
diff --git a/libcxx/test/std/strings/basic.string/string.nonmembers/string.special/swap.pass.cpp b/libcxx/test/std/strings/basic.string/string.nonmembers/string.special/swap.pass.cpp new file mode 100644 index 00000000000..cee538800dd --- /dev/null +++ b/libcxx/test/std/strings/basic.string/string.nonmembers/string.special/swap.pass.cpp @@ -0,0 +1,78 @@ +//===----------------------------------------------------------------------===// +// +// 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. +// +//===----------------------------------------------------------------------===// + +// <string> + +// template<class charT, class traits, class Allocator> +// void swap(basic_string<charT,traits,Allocator>& lhs, +// basic_string<charT,traits,Allocator>& rhs); + +#include <string> +#include <stdexcept> +#include <algorithm> +#include <cassert> + +#include "min_allocator.h" + +template <class S> +void +test(S s1, S s2) +{ + S s1_ = s1; + S s2_ = s2; + swap(s1, s2); + assert(s1.__invariants()); + assert(s2.__invariants()); + assert(s1 == s2_); + assert(s2 == s1_); +} + +int main() +{ + { + typedef std::string S; + test(S(""), S("")); + test(S(""), S("12345")); + test(S(""), S("1234567890")); + test(S(""), S("12345678901234567890")); + test(S("abcde"), S("")); + test(S("abcde"), S("12345")); + test(S("abcde"), S("1234567890")); + test(S("abcde"), S("12345678901234567890")); + test(S("abcdefghij"), S("")); + test(S("abcdefghij"), S("12345")); + test(S("abcdefghij"), S("1234567890")); + test(S("abcdefghij"), S("12345678901234567890")); + test(S("abcdefghijklmnopqrst"), S("")); + test(S("abcdefghijklmnopqrst"), S("12345")); + test(S("abcdefghijklmnopqrst"), S("1234567890")); + test(S("abcdefghijklmnopqrst"), S("12345678901234567890")); + } +#if __cplusplus >= 201103L + { + typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S; + test(S(""), S("")); + test(S(""), S("12345")); + test(S(""), S("1234567890")); + test(S(""), S("12345678901234567890")); + test(S("abcde"), S("")); + test(S("abcde"), S("12345")); + test(S("abcde"), S("1234567890")); + test(S("abcde"), S("12345678901234567890")); + test(S("abcdefghij"), S("")); + test(S("abcdefghij"), S("12345")); + test(S("abcdefghij"), S("1234567890")); + test(S("abcdefghij"), S("12345678901234567890")); + test(S("abcdefghijklmnopqrst"), S("")); + test(S("abcdefghijklmnopqrst"), S("12345")); + test(S("abcdefghijklmnopqrst"), S("1234567890")); + test(S("abcdefghijklmnopqrst"), S("12345678901234567890")); + } +#endif +} diff --git a/libcxx/test/std/strings/basic.string/string.nonmembers/string.special/swap_noexcept.pass.cpp b/libcxx/test/std/strings/basic.string/string.nonmembers/string.special/swap_noexcept.pass.cpp new file mode 100644 index 00000000000..4d5d79693d0 --- /dev/null +++ b/libcxx/test/std/strings/basic.string/string.nonmembers/string.special/swap_noexcept.pass.cpp @@ -0,0 +1,54 @@ +//===----------------------------------------------------------------------===// +// +// 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. +// +//===----------------------------------------------------------------------===// + +// <string> + +// void swap(basic_string& c) +// noexcept(!allocator_type::propagate_on_container_swap::value || +// __is_nothrow_swappable<allocator_type>::value); + +// This tests a conforming extension + +#include <string> +#include <cassert> + +#include "test_allocator.h" + +template <class T> +struct some_alloc +{ + typedef T value_type; + + some_alloc() {} + some_alloc(const some_alloc&); + void deallocate(void*, unsigned) {} + + typedef std::true_type propagate_on_container_swap; +}; + +int main() +{ +#if __has_feature(cxx_noexcept) + { + typedef std::string C; + C c1, c2; + static_assert(noexcept(swap(c1, c2)), ""); + } + { + typedef std::basic_string<char, std::char_traits<char>, test_allocator<char>> C; + C c1, c2; + static_assert(noexcept(swap(c1, c2)), ""); + } + { + typedef std::basic_string<char, std::char_traits<char>, some_alloc<char>> C; + C c1, c2; + static_assert(!noexcept(swap(c1, c2)), ""); + } +#endif +} |
