37 lines
917 B
C++
37 lines
917 B
C++
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//===----------------------------------------------------------------------===//
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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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// <iterator>
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// class istream_iterator
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// istream_iterator(const istream_iterator& x);
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#include <iterator>
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#include <sstream>
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#include <cassert>
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int main()
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{
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{
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std::istream_iterator<int> io;
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std::istream_iterator<int> i = io;
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assert(i == std::istream_iterator<int>());
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}
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{
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std::istringstream inf(" 1 23");
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std::istream_iterator<int> io(inf);
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std::istream_iterator<int> i = io;
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assert(i != std::istream_iterator<int>());
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int j = 0;
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j = *i;
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assert(j == 1);
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}
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}
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