f5256e16df
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103516 91177308-0d34-0410-b5e6-96231b3b80d8
35 lines
808 B
C++
35 lines
808 B
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <string>
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// const charT& back() const;
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// charT& back();
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#include <string>
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#include <cassert>
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template <class S>
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void
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test(S s)
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{
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const S& cs = s;
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assert(&cs.back() == &cs[cs.size()-1]);
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assert(&s.back() == &s[cs.size()-1]);
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s.back() = typename S::value_type('z');
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assert(s.back() == typename S::value_type('z'));
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}
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int main()
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{
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typedef std::string S;
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test(S("1"));
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test(S("1234567890123456789012345678901234567890"));
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}
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