first commit
This commit is contained in:
Jose Caban
487
extern/STLport/5.2.1/test/unit/sstream_test.cpp
vendored
Normal file
487
extern/STLport/5.2.1/test/unit/sstream_test.cpp
vendored
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#include <string>
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#include "math_aux.h"
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#if !defined (STLPORT) || !defined (_STLP_USE_NO_IOSTREAMS)
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# include <sstream>
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# include <memory>
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# include "full_streambuf.h"
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# include "cppunit/cppunit_proxy.h"
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# if !defined (STLPORT) || defined(_STLP_USE_NAMESPACES)
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using namespace std;
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# endif
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//
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// TestCase class
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//
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class SstreamTest : public CPPUNIT_NS::TestCase
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{
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CPPUNIT_TEST_SUITE(SstreamTest);
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CPPUNIT_TEST(output);
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CPPUNIT_TEST(input);
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CPPUNIT_TEST(input_char);
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CPPUNIT_TEST(io);
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CPPUNIT_TEST(err);
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CPPUNIT_TEST(err_long);
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CPPUNIT_TEST(maxint);
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CPPUNIT_TEST(init_in);
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CPPUNIT_TEST(init_out);
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CPPUNIT_TEST(buf);
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CPPUNIT_TEST(rdbuf);
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CPPUNIT_TEST(streambuf_output);
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CPPUNIT_TEST(seek);
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CPPUNIT_TEST(seekp);
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CPPUNIT_TEST(seek_gp);
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CPPUNIT_TEST(tellp);
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CPPUNIT_TEST(negative);
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CPPUNIT_TEST_SUITE_END();
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protected:
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void output();
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void input();
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void input_char();
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void io();
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void err();
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void err_long();
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void maxint();
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void init_in();
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void init_out();
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void buf();
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void rdbuf();
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void streambuf_output();
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void seek();
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void seekp();
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void seek_gp();
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void tellp();
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void negative();
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};
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CPPUNIT_TEST_SUITE_REGISTRATION(SstreamTest);
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//
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// tests implementation
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//
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void SstreamTest::output()
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{
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{
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ostringstream s;
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s << 1 << '\n' << 2.0 << '\n' << "abcd\n" << "ghk lm\n" << "abcd ef";
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CPPUNIT_ASSERT( s.good() );
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CPPUNIT_ASSERT( s.str() == "1\n2\nabcd\nghk lm\nabcd ef" );
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}
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//Following tests are mostly used to reveal problem with the MSVC /Wp64 option
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//used to track 64 bits portability issue:
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{
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ostringstream s;
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size_t i = 0;
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s << i;
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CPPUNIT_ASSERT( s.good() );
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CPPUNIT_ASSERT( s.str() == "0" );
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}
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{
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ostringstream s;
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ptrdiff_t i = 0;
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s << i;
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CPPUNIT_ASSERT( s.good() );
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CPPUNIT_ASSERT( s.str() == "0" );
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}
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}
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void SstreamTest::input()
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{
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{
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istringstream s( "1\n2\nabcd\nghk lm\nabcd ef" );
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int i = 0;
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s >> i;
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CPPUNIT_ASSERT( s.good() );
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CPPUNIT_ASSERT( i == 1 );
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double d = 0.0;
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s >> d;
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CPPUNIT_ASSERT( s.good() );
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CPPUNIT_ASSERT( d == 2.0 );
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string str;
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s >> str;
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CPPUNIT_ASSERT( s.good() );
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CPPUNIT_ASSERT( str == "abcd" );
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char c;
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s.get(c); // extract newline, that not extracted by operator >>
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CPPUNIT_ASSERT( s.good() );
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CPPUNIT_ASSERT( c == '\n' );
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getline( s, str );
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CPPUNIT_ASSERT( s.good() );
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CPPUNIT_ASSERT( str == "ghk lm" );
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getline( s, str );
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CPPUNIT_ASSERT( s.eof() );
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CPPUNIT_ASSERT( str == "abcd ef" );
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}
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{
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istringstream s("0");
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size_t i = 1;
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s >> i;
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CPPUNIT_ASSERT( !s.fail() );
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CPPUNIT_ASSERT( s.eof() );
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CPPUNIT_ASSERT( i == 0 );
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}
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}
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void SstreamTest::input_char()
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{
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char buf[16] = { 0, '1', '2', '3' };
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istringstream s( "0" );
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s >> buf;
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CPPUNIT_ASSERT( buf[0] == '0' );
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CPPUNIT_ASSERT( buf[1] == 0 );
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CPPUNIT_ASSERT( buf[2] == '2' );
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}
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void SstreamTest::io()
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{
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stringstream s;
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s << 1 << '\n' << 2.0 << '\n' << "abcd\n" << "ghk lm\n" << "abcd ef";
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CPPUNIT_ASSERT( s.good() );
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int i = 0;
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s >> i;
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CPPUNIT_ASSERT( i == 1 );
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CPPUNIT_ASSERT( s.good() );
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double d = 0.0;
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s >> d;
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CPPUNIT_ASSERT( d == 2.0 );
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CPPUNIT_ASSERT( s.good() );
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string str;
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s >> str;
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CPPUNIT_ASSERT( str == "abcd" );
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CPPUNIT_ASSERT( s.good() );
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char c;
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s.get(c); // extract newline, that not extracted by operator >>
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CPPUNIT_ASSERT( s.good() );
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CPPUNIT_ASSERT( c == '\n' );
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getline( s, str );
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CPPUNIT_ASSERT( s.good() );
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CPPUNIT_ASSERT( str == "ghk lm" );
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getline( s, str );
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CPPUNIT_ASSERT( str == "abcd ef" );
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CPPUNIT_ASSERT( s.eof() );
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}
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void SstreamTest::err()
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{
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stringstream s( "9" );
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int i = 0;
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s >> i;
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CPPUNIT_ASSERT( !s.fail() );
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CPPUNIT_ASSERT( i == 9 );
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s >> i;
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CPPUNIT_ASSERT( s.fail() );
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CPPUNIT_ASSERT( s.eof() );
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CPPUNIT_ASSERT( i == 9 );
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}
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void SstreamTest::err_long()
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{
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stringstream s( "9" );
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long i = 0;
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s >> i;
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CPPUNIT_ASSERT( !s.fail() );
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CPPUNIT_ASSERT( i == 9 );
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s >> i;
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CPPUNIT_ASSERT( s.fail() );
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CPPUNIT_ASSERT( s.eof() );
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CPPUNIT_ASSERT( i == 9 );
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}
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void SstreamTest::maxint()
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{
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stringstream s;
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s << INT_MAX << " " << UINT_MAX << " " << LONG_MAX << " " << ULONG_MAX << " "
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<< INT_MIN << " " << LONG_MIN;
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CPPUNIT_ASSERT( s.good() );
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int i = 0;
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unsigned int u = 0;
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long l = 0;
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unsigned long ul = 0;
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s >> i >> u >> l >> ul;
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CPPUNIT_ASSERT( s.good() );
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CPPUNIT_ASSERT( i == INT_MAX );
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CPPUNIT_ASSERT( u == UINT_MAX );
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CPPUNIT_ASSERT( l == LONG_MAX );
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CPPUNIT_ASSERT( ul == ULONG_MAX );
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s >> i >> l;
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CPPUNIT_ASSERT( !s.fail() );
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CPPUNIT_ASSERT( i == INT_MIN );
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CPPUNIT_ASSERT( l == LONG_MIN );
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}
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void SstreamTest::init_in()
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{
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istringstream is( "12345" );
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int n;
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is >> n;
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CPPUNIT_ASSERT( !is.fail() );
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CPPUNIT_ASSERT( n == 12345 );
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istringstream dis( "1.2345" );
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double d;
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dis >> d;
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CPPUNIT_ASSERT( !dis.fail() );
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CPPUNIT_ASSERT( are_equals(d, 1.2345) );
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istringstream fis( "1.2345" );
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float f;
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fis >> f;
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CPPUNIT_ASSERT( !fis.fail() );
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CPPUNIT_ASSERT( are_equals(f, 1.2345f) );
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}
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void SstreamTest::init_out()
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{
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ostringstream os( "12345" );
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CPPUNIT_ASSERT( os.str() == "12345" );
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os << 67;
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CPPUNIT_ASSERT( os.good() );
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// This satisfy to the Standard:
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// CPPUNIT_ASSERT( os.str() == "67345" );
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// But we don't know the reason, why standard state that.
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/*
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* 27.7.1.1: ... then copies the content of str into the basic_sringbuf
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* underlying character sequence and initializes the input and output
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* sequences according to which. If which & ios_base::out is true, initializes
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* the output sequence with underlying sequence. ...
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*
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* I can treat this as 'like output was performed', and then I should bump
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* put pointer... Looks like more useful then my previous treatment.
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*
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* - ptr
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*/
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CPPUNIT_ASSERT( os.str() == "1234567" );
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os.str( "89ab" );
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CPPUNIT_ASSERT( os.str() == "89ab" );
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os << 10;
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CPPUNIT_ASSERT( os.good() );
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// CPPUNIT_ASSERT( os.str() == "10ab" );
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CPPUNIT_ASSERT( os.str() == "89ab10" );
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}
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void SstreamTest::buf()
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{
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stringstream ss;
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ss << "1234567\n89\n";
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char buf[10];
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buf[7] = 'x';
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ss.get( buf, 10 );
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CPPUNIT_ASSERT( !ss.fail() );
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CPPUNIT_ASSERT( buf[0] == '1' );
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CPPUNIT_ASSERT( buf[1] == '2' );
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CPPUNIT_ASSERT( buf[2] == '3' );
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CPPUNIT_ASSERT( buf[3] == '4' );
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CPPUNIT_ASSERT( buf[4] == '5' );
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CPPUNIT_ASSERT( buf[5] == '6' );
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CPPUNIT_ASSERT( buf[6] == '7' ); // 27.6.1.3 paragraph 10, paragraph 7
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CPPUNIT_ASSERT( buf[7] == 0 ); // 27.6.1.3 paragraph 8
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char c;
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ss.get(c);
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CPPUNIT_ASSERT( !ss.fail() );
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CPPUNIT_ASSERT( c == '\n' ); // 27.6.1.3 paragraph 10, paragraph 7
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ss.get(c);
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CPPUNIT_ASSERT( !ss.fail() );
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CPPUNIT_ASSERT( c == '8' );
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}
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void SstreamTest::rdbuf()
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{
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stringstream ss;
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ss << "1234567\n89\n";
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ostringstream os;
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ss.get( *os.rdbuf(), '\n' );
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CPPUNIT_ASSERT( !ss.fail() );
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char c;
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ss.get(c);
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CPPUNIT_ASSERT( !ss.fail() );
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CPPUNIT_ASSERT( c == '\n' ); // 27.6.1.3 paragraph 12
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CPPUNIT_ASSERT( os.str() == "1234567" );
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}
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void SstreamTest::streambuf_output()
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{
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{
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istringstream in("01234567890123456789");
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CPPUNIT_ASSERT( in );
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full_streambuf full_buf(10);
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ostream out(&full_buf);
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CPPUNIT_ASSERT( out );
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out << in.rdbuf();
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CPPUNIT_ASSERT( out );
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CPPUNIT_ASSERT( in );
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//out is good we can check what has been extracted:
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CPPUNIT_ASSERT( full_buf.str() == "0123456789" );
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out << in.rdbuf();
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CPPUNIT_ASSERT( out.fail() );
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CPPUNIT_ASSERT( in );
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ostringstream ostr;
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ostr << in.rdbuf();
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CPPUNIT_ASSERT( ostr );
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CPPUNIT_ASSERT( in );
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CPPUNIT_ASSERT( ostr.str() == "0123456789" );
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}
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# if !defined (STLPORT) || defined (_STLP_USE_EXCEPTIONS)
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{
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//If the output stream buffer throws:
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istringstream in("01234567890123456789");
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CPPUNIT_ASSERT( in );
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full_streambuf full_buf(10, true);
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ostream out(&full_buf);
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CPPUNIT_ASSERT( out );
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out << in.rdbuf();
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CPPUNIT_ASSERT( out.bad() );
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CPPUNIT_ASSERT( in );
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//out is bad we have no guaranty on what has been extracted:
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//CPPUNIT_ASSERT( full_buf.str() == "0123456789" );
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out.clear();
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out << in.rdbuf();
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CPPUNIT_ASSERT( out.fail() && out.bad() );
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CPPUNIT_ASSERT( in );
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ostringstream ostr;
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ostr << in.rdbuf();
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CPPUNIT_ASSERT( ostr );
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CPPUNIT_ASSERT( in );
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CPPUNIT_ASSERT( ostr.str() == "01234567890123456789" );
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}
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# endif
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}
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void SstreamTest::seek()
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{
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stringstream s( "0123456789" );
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CPPUNIT_ASSERT( s.tellg() == stringstream::pos_type(0) );
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s.seekg( 6, ios::beg );
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CPPUNIT_ASSERT( s.tellg() == stringstream::pos_type(6) );
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s.seekg( -3, ios::cur );
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CPPUNIT_ASSERT( s.tellg() == stringstream::pos_type(3) );
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istringstream is( "0123456789" );
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CPPUNIT_ASSERT( is.tellg() == stringstream::pos_type(0) );
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is.seekg( 6, ios::beg );
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CPPUNIT_ASSERT( is.tellg() == stringstream::pos_type(6) );
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is.seekg( -3, ios::cur );
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CPPUNIT_ASSERT( is.tellg() == stringstream::pos_type(3) );
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}
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void SstreamTest::seekp()
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{
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ostringstream s;
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s << "1234567";
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CPPUNIT_CHECK( s.tellp() == stringstream::pos_type(7) );
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CPPUNIT_CHECK( s.str() == "1234567" );
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s.seekp( 0 );
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s << "X";
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CPPUNIT_CHECK( s.str() == "X234567" );
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s.seekp( 0, ios::beg );
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s << "Y";
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CPPUNIT_CHECK( s.str() == "Y234567" );
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}
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void SstreamTest::seek_gp()
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{
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stringstream ss( "1" );
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/* ISO/IEC 14882 2003 (and 1998 too) assume change as get as put positions
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with seekg and seekp (27.6.1.3, par 38; 27.6.2.4 par 2),
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but this contradict to common practice and proposed draft N2588
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(27.6.1.3, par 41; 27.6.2.5, par 4)
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Now STLport implement (i.e. change behaviour ) the draft's point of view.
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*/
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ss.seekg( 0, ios::beg );
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ss.seekp( 0, ios::end );
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ss << "2";
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string str;
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ss >> str;
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/* CPPUNIT_CHECK( str == "2" ); --- according ISO/IEC 14882 2003 */
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CPPUNIT_CHECK( str == "12" );
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}
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void SstreamTest::tellp()
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{
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{
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ostringstream o( "1" );
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o << "23456";
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CPPUNIT_CHECK( o.rdbuf()->pubseekoff( 0, ios_base::cur, ios_base::out ) == stringstream::pos_type(6) );
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CPPUNIT_CHECK( o.tellp() == stringstream::pos_type(6) );
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}
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{
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ostringstream o;
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o << "123456";
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CPPUNIT_CHECK( o.rdbuf()->pubseekoff( 0, ios_base::cur, ios_base::out ) == stringstream::pos_type(6) );
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CPPUNIT_CHECK( o.tellp() == stringstream::pos_type(6) );
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}
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{
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ostringstream o( "1" );
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o << "23456789";
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CPPUNIT_CHECK( o.rdbuf()->pubseekoff( 0, ios_base::cur, ios_base::out ) == stringstream::pos_type(9) );
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CPPUNIT_CHECK( o.tellp() == stringstream::pos_type(9) );
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}
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}
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template < class T >
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string to_string( const T& v )
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{
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ostringstream oss;
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oss << v;
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return oss.str();
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}
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void SstreamTest::negative()
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{
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CPPUNIT_CHECK( to_string<int>(-1) == "-1" );
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CPPUNIT_CHECK( to_string<long>(-1) == "-1" );
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}
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#endif
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