mirror of https://github.com/catchorg/Catch2.git
52 lines
1.7 KiB
C++
52 lines
1.7 KiB
C++
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#include "catch.hpp"
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// === Pair ===
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namespace Catch {
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// Note: If we put this in the right place in catch_tostring, then
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// we can make it an overload of Catch::toString
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template<typename T1, typename T2>
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struct StringMaker<std::pair<T1,T2> > {
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static std::string convert( const std::pair<T1,T2>& pair ) {
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std::ostringstream oss;
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oss << "{ "
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<< toString( pair.first )
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<< ", "
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<< toString( pair.second )
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<< " }";
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return oss.str();
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}
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};
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}
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TEST_CASE( "std::pair<int,std::string> -> toString", "[toString][pair]" )
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{
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std::pair<int,std::string> value( 34, "xyzzy" );
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REQUIRE( Catch::toString( value ) == "{ 34, \"xyzzy\" }" );
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}
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TEST_CASE( "std::pair<int,const std::string> -> toString", "[toString][pair]" )
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{
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std::pair<int,const std::string> value( 34, "xyzzy" );
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REQUIRE( Catch::toString(value) == "{ 34, \"xyzzy\" }" );
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}
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TEST_CASE( "std::vector<std::pair<std::string,int> > -> toString", "[toString][pair]" )
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{
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std::vector<std::pair<std::string,int> > pr;
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pr.push_back( std::make_pair("green", 55 ) );
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REQUIRE( Catch::toString( pr ) == "{ { \"green\", 55 } }" );
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}
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// This is pretty contrived - I figure if this works, anything will...
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TEST_CASE( "pair<pair<int,const char *,pair<std::string,int> > -> toString", "[toString][pair]" )
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{
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typedef std::pair<int,const char *> left_t;
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typedef std::pair<std::string,int> right_t;
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left_t left( 42, "Arthur" );
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right_t right( "Ford", 24 );
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std::pair<left_t,right_t> pair( left, right );
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REQUIRE( Catch::toString( pair ) == "{ { 42, \"Arthur\" }, { \"Ford\", 24 } }" );
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}
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