cxx/test/strings/basic.string/string.modifiers/string_append/push_back.pass.cpp

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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <string>
// void push_back(charT c)
#include <string>
#include <cassert>
template <class S>
void
test(S s, typename S::value_type c, S expected)
{
s.push_back(c);
assert(s.__invariants());
assert(s == expected);
}
int main()
{
typedef std::string S;
test(S(), 'a', S(1, 'a'));
test(S("12345"), 'a', S("12345a"));
test(S("12345678901234567890"), 'a', S("12345678901234567890a"));
}