diff options
Diffstat (limited to 'libcxx/test/std/strings/basic.string/string.nonmembers/string.io/stream_extract.pass.cpp')
-rw-r--r-- | libcxx/test/std/strings/basic.string/string.nonmembers/string.io/stream_extract.pass.cpp | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/libcxx/test/std/strings/basic.string/string.nonmembers/string.io/stream_extract.pass.cpp b/libcxx/test/std/strings/basic.string/string.nonmembers/string.io/stream_extract.pass.cpp new file mode 100644 index 00000000000..af806bc0457 --- /dev/null +++ b/libcxx/test/std/strings/basic.string/string.nonmembers/string.io/stream_extract.pass.cpp @@ -0,0 +1,117 @@ +//===----------------------------------------------------------------------===// +// +// 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> +// basic_istream<charT,traits>& +// operator>>(basic_istream<charT,traits>& is, +// basic_string<charT,traits,Allocator>& str); + +#include <string> +#include <sstream> +#include <cassert> + +#include "min_allocator.h" + +int main() +{ + { + std::istringstream in("a bc defghij"); + std::string s("initial text"); + in >> s; + assert(in.good()); + assert(s == "a"); + assert(in.peek() == ' '); + in >> s; + assert(in.good()); + assert(s == "bc"); + assert(in.peek() == ' '); + in.width(3); + in >> s; + assert(in.good()); + assert(s == "def"); + assert(in.peek() == 'g'); + in >> s; + assert(in.eof()); + assert(s == "ghij"); + in >> s; + assert(in.fail()); + } + { + std::wistringstream in(L"a bc defghij"); + std::wstring s(L"initial text"); + in >> s; + assert(in.good()); + assert(s == L"a"); + assert(in.peek() == L' '); + in >> s; + assert(in.good()); + assert(s == L"bc"); + assert(in.peek() == L' '); + in.width(3); + in >> s; + assert(in.good()); + assert(s == L"def"); + assert(in.peek() == L'g'); + in >> s; + assert(in.eof()); + assert(s == L"ghij"); + in >> s; + assert(in.fail()); + } +#if __cplusplus >= 201103L + { + typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S; + std::istringstream in("a bc defghij"); + S s("initial text"); + in >> s; + assert(in.good()); + assert(s == "a"); + assert(in.peek() == ' '); + in >> s; + assert(in.good()); + assert(s == "bc"); + assert(in.peek() == ' '); + in.width(3); + in >> s; + assert(in.good()); + assert(s == "def"); + assert(in.peek() == 'g'); + in >> s; + assert(in.eof()); + assert(s == "ghij"); + in >> s; + assert(in.fail()); + } + { + typedef std::basic_string<wchar_t, std::char_traits<wchar_t>, min_allocator<wchar_t>> S; + std::wistringstream in(L"a bc defghij"); + S s(L"initial text"); + in >> s; + assert(in.good()); + assert(s == L"a"); + assert(in.peek() == L' '); + in >> s; + assert(in.good()); + assert(s == L"bc"); + assert(in.peek() == L' '); + in.width(3); + in >> s; + assert(in.good()); + assert(s == L"def"); + assert(in.peek() == L'g'); + in >> s; + assert(in.eof()); + assert(s == L"ghij"); + in >> s; + assert(in.fail()); + } +#endif +} |