forked from OSchip/llvm-project
64 lines
1.4 KiB
C++
64 lines
1.4 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <string>
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// const_reference operator[](size_type pos) const;
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// reference operator[](size_type pos);
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#ifdef _LIBCPP_DEBUG
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#define _LIBCPP_ASSERT(x, m) ((x) ? (void)0 : std::exit(0))
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#endif
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#include <string>
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#include <cassert>
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#include "min_allocator.h"
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int main()
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{
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{
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typedef std::string S;
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S s("0123456789");
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const S& cs = s;
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for (S::size_type i = 0; i < cs.size(); ++i)
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{
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assert(s[i] == '0' + i);
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assert(cs[i] == s[i]);
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}
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assert(cs[cs.size()] == '\0');
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const S s2 = S();
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assert(s2[0] == '\0');
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}
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#if __cplusplus >= 201103L
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{
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typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
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S s("0123456789");
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const S& cs = s;
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for (S::size_type i = 0; i < cs.size(); ++i)
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{
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assert(s[i] == '0' + i);
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assert(cs[i] == s[i]);
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}
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assert(cs[cs.size()] == '\0');
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const S s2 = S();
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assert(s2[0] == '\0');
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}
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#endif
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#ifdef _LIBCPP_DEBUG
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{
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std::string s;
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char c = s[0];
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assert(c == '\0');
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c = s[1];
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assert(false);
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}
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#endif
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}
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