author | Shabe Razvi <shaber@symbian.org> |
Thu, 02 Sep 2010 17:14:31 +0100 | |
branch | RCL_3 |
changeset 58 | 104bd6aeae10 |
parent 0 | e4d67989cc36 |
child 18 | 47c74d1534e1 |
permissions | -rw-r--r-- |
0
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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(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 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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|
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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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106 |
CPPUNIT_ASSERT( s.good() ); |
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107 |
CPPUNIT_ASSERT( c == '\n' ); |
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108 |
getline( s, str ); |
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109 |
CPPUNIT_ASSERT( s.good() ); |
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CPPUNIT_ASSERT( str == "ghk lm" ); |
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111 |
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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115 |
{ |
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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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124 |
|
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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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130 |
|
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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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134 |
} |
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135 |
|
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136 |
|
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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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141 |
CPPUNIT_ASSERT( s.good() ); |
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142 |
|
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int i = 0; |
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144 |
s >> i; |
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145 |
CPPUNIT_ASSERT( i == 1 ); |
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146 |
CPPUNIT_ASSERT( s.good() ); |
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147 |
double d = 0.0; |
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s >> d; |
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CPPUNIT_ASSERT( d == 2.0 ); |
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150 |
CPPUNIT_ASSERT( s.good() ); |
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151 |
string str; |
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s >> str; |
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CPPUNIT_ASSERT( str == "abcd" ); |
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154 |
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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157 |
CPPUNIT_ASSERT( s.good() ); |
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158 |
CPPUNIT_ASSERT( c == '\n' ); |
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159 |
getline( s, str ); |
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160 |
CPPUNIT_ASSERT( s.good() ); |
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CPPUNIT_ASSERT( str == "ghk lm" ); |
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162 |
getline( s, str ); |
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163 |
CPPUNIT_ASSERT( str == "abcd ef" ); |
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164 |
CPPUNIT_ASSERT( s.eof() ); |
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165 |
} |
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166 |
|
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167 |
void SstreamTest::err() |
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168 |
{ |
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169 |
stringstream s( "9" ); |
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170 |
|
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171 |
int i = 0; |
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172 |
s >> i; |
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173 |
CPPUNIT_ASSERT( !s.fail() ); |
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174 |
CPPUNIT_ASSERT( i == 9 ); |
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175 |
s >> i; |
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176 |
CPPUNIT_ASSERT( s.fail() ); |
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177 |
CPPUNIT_ASSERT( s.eof() ); |
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178 |
CPPUNIT_ASSERT( i == 9 ); |
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179 |
} |
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180 |
|
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181 |
void SstreamTest::err_long() |
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182 |
{ |
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183 |
stringstream s( "9" ); |
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184 |
|
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185 |
long i = 0; |
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186 |
s >> i; |
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187 |
CPPUNIT_ASSERT( !s.fail() ); |
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|
188 |
CPPUNIT_ASSERT( i == 9 ); |
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189 |
s >> i; |
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190 |
CPPUNIT_ASSERT( s.fail() ); |
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191 |
CPPUNIT_ASSERT( s.eof() ); |
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192 |
CPPUNIT_ASSERT( i == 9 ); |
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193 |
} |
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194 |
|
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195 |
void SstreamTest::maxint() |
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196 |
{ |
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197 |
stringstream s; |
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198 |
|
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199 |
s << INT_MAX << " " << UINT_MAX << " " << LONG_MAX << " " << ULONG_MAX << " " |
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200 |
<< INT_MIN << " " << LONG_MIN; |
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201 |
CPPUNIT_ASSERT( s.good() ); |
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|
202 |
|
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203 |
int i = 0; |
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204 |
unsigned int u = 0; |
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205 |
long l = 0; |
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unsigned long ul = 0; |
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207 |
|
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208 |
s >> i >> u >> l >> ul; |
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209 |
CPPUNIT_ASSERT( s.good() ); |
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210 |
CPPUNIT_ASSERT( i == INT_MAX ); |
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211 |
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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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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} |
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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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|
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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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|
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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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auto_ptr<full_streambuf> pfull_buf(new full_streambuf(10)); |
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ostream out(pfull_buf.get()); |
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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( pfull_buf->str() == "0123456789" ); |
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|
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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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|
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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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|
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auto_ptr<full_streambuf> pfull_buf(new full_streambuf(10, true)); |
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ostream out(pfull_buf.get()); |
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CPPUNIT_ASSERT( out ); |
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|
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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( pfull_buf->str() == "0123456789" ); |
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|
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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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|
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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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|
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void SstreamTest::seek() |
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{ |
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stringstream s( "0123456789" ); |
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|
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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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|
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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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|
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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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|
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#endif |