Add tests for toString(std::tuple<...>)

1 files changed, 48 insertions, 0 deletions

diff --git a/projects/SelfTest/ToStringTuple.cpp b/projects/SelfTest/ToStringTuple.cpp
new file mode 100644
index 00000000..46aa314b
--- /dev/null
+++ b/projects/SelfTest/ToStringTuple.cpp
@@ -0,0 +1,48 @@
+#include "catch.hpp"
+
+#ifdef CATCH_CPP11_OR_GREATER
+
+TEST_CASE( "tuple<>", "[toString][tuple]" )
+{
+    typedef std::tuple<> type;
+    CHECK( "{ }" == Catch::toString(type{}) );
+    type value {};
+    CHECK( "{ }" == Catch::toString(value) );
+}
+
+TEST_CASE( "tuple<int>", "[toString][tuple]" )
+{
+    typedef std::tuple<int> type;
+    CHECK( "{ 0 }" == Catch::toString(type{0}) );
+}
+
+
+TEST_CASE( "tuple<float,int>", "[toString][tuple]" )
+{
+    typedef std::tuple<float,int> type;
+    CHECK( "1.2f" == Catch::toString(float(1.2)) );
+    CHECK( "{ 1.2f, 0 }" == Catch::toString(type{1.2,0}) );
+}
+
+TEST_CASE( "tuple<string,string>", "[toString][tuple]" )
+{
+    typedef std::tuple<std::string,std::string> type;
+    CHECK( "{ \"hello\", \"world\" }" == Catch::toString(type{"hello","world"}) );
+}
+
+TEST_CASE( "tuple<tuple<int>,tuple<>,float>", "[toString][tuple]" )
+{
+    typedef std::tuple<std::tuple<int>,std::tuple<>,float> type;
+    type value { {42}, {}, 1.2f };
+    CHECK( "{ { 42 }, { }, 1.2f }" == Catch::toString(value) );
+}
+
+TEST_CASE( "tuple<nullptr,int,const char *>", "[toString][tuple]" )
+{
+    typedef std::tuple<std::nullptr_t,int,const char *> type;
+    type value { nullptr, 42, "Catch me" };
+    CHECK( "{ nullptr, 42, \"Catch me\" }" == Catch::toString(value) );
+}
+
+#endif /* #ifdef CATCH_CPP11_OR_GREATER */
+