Support sentinel-based ranges in default stringify (#2004)

1 files changed, 11 insertions, 0 deletions

diff --git a/projects/SelfTest/IntrospectiveTests/ToString.tests.cpp b/projects/SelfTest/IntrospectiveTests/ToString.tests.cpp
index caa924f5..d1eb261c 100644
--- a/projects/SelfTest/IntrospectiveTests/ToString.tests.cpp
+++ b/projects/SelfTest/IntrospectiveTests/ToString.tests.cpp
@@ -4,6 +4,13 @@
 
 enum class EnumClass3 { Value1, Value2, Value3, Value4 };
 
+struct UsesSentinel {
+    using const_iterator = int const*;
+    using const_sentinel = std::nullptr_t;
+
+    const_iterator begin() const { return nullptr; }
+    const_iterator end() const { return nullptr; }
+};
 
 TEST_CASE( "parseEnums", "[Strings][enums]" ) {
     using namespace Catch::Matchers;
@@ -40,3 +47,7 @@ TEST_CASE( "Directly creating an EnumInfo" ) {
     CHECK( enumInfo->lookup(1) == "Value2" );
     CHECK( enumInfo->lookup(3) == "{** unexpected enum value **}" );
 }
+
+TEST_CASE("Range type with sentinel") {
+    CHECK( Catch::Detail::stringify(UsesSentinel{}) == "{  }" );
+}
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