forked from OSchip/llvm-project
103 lines
2.6 KiB
C++
103 lines
2.6 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// <complex>
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// template<class T, class charT, class traits>
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// basic_istream<charT, traits>&
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// operator>>(basic_istream<charT, traits>& is, complex<T>& x);
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#include <complex>
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#include <sstream>
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#include <cassert>
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#include "test_macros.h"
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int main(int, char**)
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{
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{
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std::istringstream is("5");
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std::complex<double> c;
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is >> c;
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assert(c == std::complex<double>(5, 0));
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assert(is.eof());
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}
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{
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std::istringstream is(" 5 ");
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std::complex<double> c;
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is >> c;
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assert(c == std::complex<double>(5, 0));
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assert(is.good());
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}
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{
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std::istringstream is(" 5, ");
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std::complex<double> c;
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is >> c;
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assert(c == std::complex<double>(5, 0));
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assert(is.good());
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}
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{
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std::istringstream is(" , 5, ");
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std::complex<double> c;
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is >> c;
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assert(c == std::complex<double>(0, 0));
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assert(is.fail());
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}
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{
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std::istringstream is("5.5 ");
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std::complex<double> c;
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is >> c;
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assert(c == std::complex<double>(5.5, 0));
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assert(is.good());
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}
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{
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std::istringstream is(" ( 5.5 ) ");
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std::complex<double> c;
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is >> c;
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assert(c == std::complex<double>(5.5, 0));
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assert(is.good());
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}
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{
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std::istringstream is(" 5.5)");
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std::complex<double> c;
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is >> c;
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assert(c == std::complex<double>(5.5, 0));
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assert(is.good());
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}
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{
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std::istringstream is("(5.5 ");
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std::complex<double> c;
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is >> c;
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assert(c == std::complex<double>(0, 0));
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assert(is.fail());
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}
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{
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std::istringstream is("(5.5,");
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std::complex<double> c;
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is >> c;
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assert(c == std::complex<double>(0, 0));
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assert(is.fail());
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}
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{
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std::istringstream is("( -5.5 , -6.5 )");
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std::complex<double> c;
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is >> c;
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assert(c == std::complex<double>(-5.5, -6.5));
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assert(!is.eof());
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}
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{
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std::istringstream is("(-5.5,-6.5)");
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std::complex<double> c;
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is >> c;
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assert(c == std::complex<double>(-5.5, -6.5));
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assert(!is.eof());
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}
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return 0;
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}
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