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-rw-r--r--unittest/Catch/projects/SelfTest/ToStringPair.cpp47
1 files changed, 47 insertions, 0 deletions
diff --git a/unittest/Catch/projects/SelfTest/ToStringPair.cpp b/unittest/Catch/projects/SelfTest/ToStringPair.cpp
new file mode 100644
index 0000000..8f51070
--- /dev/null
+++ b/unittest/Catch/projects/SelfTest/ToStringPair.cpp
@@ -0,0 +1,47 @@
+#include "catch.hpp"
+
+// === Pair ===
+namespace Catch {
+ // Note: If we put this in the right place in catch_tostring, then
+ // we can make it an overload of Catch::toString
+ template<typename T1, typename T2>
+ struct StringMaker<std::pair<T1,T2> > {
+ static std::string convert( const std::pair<T1,T2>& pair ) {
+ std::ostringstream oss;
+ oss << "{ "
+ << toString( pair.first )
+ << ", "
+ << toString( pair.second )
+ << " }";
+ return oss.str();
+ }
+ };
+}
+
+TEST_CASE( "std::pair<int,std::string> -> toString", "[toString][pair]" ) {
+ std::pair<int,std::string> value( 34, "xyzzy" );
+ REQUIRE( Catch::toString( value ) == "{ 34, \"xyzzy\" }" );
+}
+
+TEST_CASE( "std::pair<int,const std::string> -> toString", "[toString][pair]" ) {
+ std::pair<int,const std::string> value( 34, "xyzzy" );
+ REQUIRE( Catch::toString(value) == "{ 34, \"xyzzy\" }" );
+}
+
+TEST_CASE( "std::vector<std::pair<std::string,int> > -> toString", "[toString][pair]" ) {
+ std::vector<std::pair<std::string,int> > pr;
+ pr.push_back( std::make_pair("green", 55 ) );
+ REQUIRE( Catch::toString( pr ) == "{ { \"green\", 55 } }" );
+}
+
+// This is pretty contrived - I figure if this works, anything will...
+TEST_CASE( "pair<pair<int,const char *,pair<std::string,int> > -> toString", "[toString][pair]" ) {
+ typedef std::pair<int,const char *> left_t;
+ typedef std::pair<std::string,int> right_t;
+
+ left_t left( 42, "Arthur" );
+ right_t right( "Ford", 24 );
+
+ std::pair<left_t,right_t> pair( left, right );
+ REQUIRE( Catch::toString( pair ) == "{ { 42, \"Arthur\" }, { \"Ford\", 24 } }" );
+}