Add `std::byte` stringification support (#1686)

* Add `std::byte` support

1. Add byte detection in Catch config
2. Add a `std::byte`specialisation for Catch2::Detail::StringMaker

1 files changed, 15 insertions, 0 deletions

diff --git a/projects/SelfTest/UsageTests/ToStringByte.tests.cpp b/projects/SelfTest/UsageTests/ToStringByte.tests.cpp
new file mode 100644
index 00000000..0aad679f
--- /dev/null
+++ b/projects/SelfTest/UsageTests/ToStringByte.tests.cpp
@@ -0,0 +1,15 @@
+#include "catch.hpp"
+
+#if defined(CATCH_CONFIG_CPP17_BYTE)
+
+TEST_CASE( "std::byte -> toString", "[toString][byte][approvals]" ) {
+    using type = std::byte;
+    REQUIRE( "0" == ::Catch::Detail::stringify( type{ 0 } ) );
+}
+
+TEST_CASE( "std::vector<std::byte> -> toString", "[toString][byte][approvals]" ) {
+    using type = std::vector<std::byte>;
+    REQUIRE( "{ 0, 1, 2 }" == ::Catch::Detail::stringify( type{ std::byte{0}, std::byte{1}, std::byte{2} } ) );
+}
+
+#endif // CATCH_INTERNAL_CONFIG_CPP17_BYTE