Add 'contrib/catch2/' from commit 'bc524d70253a4ab2fe40c3ca3e5666e267c0a4d1'

git-subtree-dir: contrib/catch2
git-subtree-mainline: a8b0ea58e60bb0326b7f7c8f3c736d89ce9ef1df
git-subtree-split: bc524d70253a4ab2fe40c3ca3e5666e267c0a4d1

1 files changed, 38 insertions, 0 deletions

diff --git a/contrib/catch2/tests/SelfTest/UsageTests/ToStringPair.tests.cpp b/contrib/catch2/tests/SelfTest/UsageTests/ToStringPair.tests.cpp
new file mode 100644
index 0000000..f5cb239
--- /dev/null
+++ b/contrib/catch2/tests/SelfTest/UsageTests/ToStringPair.tests.cpp
@@ -0,0 +1,38 @@
+
+//              Copyright Catch2 Authors
+// Distributed under the Boost Software License, Version 1.0.
+//   (See accompanying file LICENSE.txt or copy at
+//        https://www.boost.org/LICENSE_1_0.txt)
+
+// SPDX-License-Identifier: BSL-1.0
+
+#define CATCH_CONFIG_ENABLE_PAIR_STRINGMAKER
+#include <catch2/catch_test_macros.hpp>
+
+TEST_CASE( "std::pair<int,std::string> -> toString", "[toString][pair]" ) {
+    std::pair<int,std::string> value( 34, "xyzzy" );
+    REQUIRE( ::Catch::Detail::stringify( 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::Detail::stringify(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::Detail::stringify( 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::Detail::stringify( pair ) == "{ { 42, \"Arthur\" }, { \"Ford\", 24 } }" );
+}