e799bc4946
The assertion macro in googletest 1.8.0 is unable to infer the cast needed here. Add an explicit cast to boolean. The other assertion is implicitly cast to boolean due to the negation.
118 lines
3.4 KiB
C++
118 lines
3.4 KiB
C++
/* vim: set sw=4 sts=4 et foldmethod=syntax : */
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/*
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* Copyright (c) 2013 Wouter van Kesteren <woutershep@gmail.com>
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*
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* This file is part of the Paludis package manager. Paludis is free software;
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* you can redistribute it and/or modify it under the terms of the GNU General
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* Public License version 2, as published by the Free Software Foundation.
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*
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* Paludis is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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* Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <paludis/util/stream_holder.hh>
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#include <sstream>
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#include <iostream>
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#include <complex>
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#include <gtest/gtest.h>
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using namespace paludis;
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TEST(StreamHolder, Construct)
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{
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StreamHolder<std::stringstream> s1;
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StreamHolder<std::ostream> s2(std::cout.rdbuf());
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StreamHolder<std::ostringstream> s3(std::string("Goat"), std::ios_base::ate);
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}
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TEST(StreamHolder, Convert)
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{
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StreamHolder<std::stringstream> s("Dog");
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ASSERT_FALSE(!s);
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ASSERT_TRUE(static_cast<bool>(s));
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std::stringstream& r(s);
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std::stringstream* p(s);
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ASSERT_EQ(&r, p);
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ASSERT_STREQ("Dog", p->str().c_str());
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}
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TEST(StreamHolder, Formatted)
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{
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StreamHolder<std::ostringstream> s;
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std::ostringstream* p(s);
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s << "Hello";
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ASSERT_STREQ("Hello", p->str().c_str());
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s << 1337;
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ASSERT_STREQ("Hello1337", p->str().c_str());
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s << "\n" << "World!";
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ASSERT_STREQ("Hello1337\nWorld!", p->str().c_str());
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s << "a" << 2.2f << 'c' << 4.4 << "e";
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ASSERT_STREQ("Hello1337\nWorld!a2.2c4.4e", p->str().c_str());
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}
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// there is currently no non-member basic_ios manipulator in the standard
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// so we make our own here that does nothing but increment 'called'
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struct ios_manip {
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static int called;
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static std::ios& func(std::ios& rhs) {
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called++;
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return rhs;
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}
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};
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int ios_manip::called(0);
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TEST(StreamHolder, Manip)
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{
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StreamHolder<std::ostringstream> s;
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std::ostringstream* p(s);
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// basic_ostream<charT,traits>& operator<<
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// (basic_ostream<charT,traits>& (*pf)(basic_ostream<charT,traits>&))
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s << "J";
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s << std::hex;
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s << 255 << std::dec << 255;
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ASSERT_STREQ("Jff255", p->str().c_str());
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// basic_ostream<charT,traits>& operator<<
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// (basic_ios<charT,traits>& (*pf)(basic_ios<charT,traits>&))
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ASSERT_EQ(0, ios_manip::called);
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s << ios_manip::func;
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ASSERT_EQ(1, ios_manip::called);
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s << " " << ios_manip::func << " ";
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ASSERT_EQ(2, ios_manip::called);
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ASSERT_STREQ("Jff255 ", p->str().c_str());
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// basic_ostream<charT,traits>& operator<<
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// (ios_base& (*pf)(ios_base&))
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s << std::endl;
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s << "K" << std::endl << "L";
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ASSERT_STREQ("Jff255 \nK\nL", p->str().c_str());
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}
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TEST(StreamHolder, NonMember)
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{
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StreamHolder<std::ostringstream> s("Complex: ", std::ios_base::ate);
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std::ostringstream* p(s);
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std::complex<float> c1(1.2f, 3.4f);
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s << c1 << std::endl;
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ASSERT_STREQ("Complex: (1.2,3.4)\n", p->str().c_str());
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std::complex<double> c2(5.6, 7.8);
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s << 'X' << c2 << std::endl;
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ASSERT_STREQ("Complex: (1.2,3.4)\nX(5.6,7.8)\n", p->str().c_str());
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}
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