Move dependencies in 'external' directory and pdate git submodules

external/Catch2/tests/SelfTest/IntrospectiveTests/TestSpecParser.tests.cpp

@@ -0,0 +1,55 @@
+
+//              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
+
+#include <catch2/catch_test_macros.hpp>
+#include <catch2/generators/catch_generators.hpp>
+#include <catch2/catch_test_case_info.hpp>
+#include <catch2/internal/catch_tag_alias_registry.hpp>
+#include <catch2/internal/catch_test_spec_parser.hpp>
+
+namespace {
+    static constexpr Catch::SourceLineInfo dummySourceLineInfo = CATCH_INTERNAL_LINEINFO;
+
+    static Catch::TestSpec parseAndCreateSpec(std::string const& str) {
+        Catch::TagAliasRegistry registry;
+        Catch::TestSpecParser parser( registry );
+
+        parser.parse( str );
+        auto spec = parser.testSpec();
+        REQUIRE( spec.hasFilters() );
+        REQUIRE( spec.getInvalidSpecs().empty());
+
+        return spec;
+    }
+
+}
+
+TEST_CASE( "Parsing tags with non-alphabetical characters is pass-through",
+           "[test-spec][test-spec-parser]" ) {
+    auto const& tagString = GENERATE( as<std::string>{},
+                                      "[tag with spaces]",
+                                      "[I said \"good day\" sir!]" );
+    CAPTURE(tagString);
+
+    auto spec = parseAndCreateSpec( tagString );
+
+    Catch::TestCaseInfo testCase(
+        "", { "fake test name", tagString }, dummySourceLineInfo );
+
+    REQUIRE( spec.matches( testCase ) );
+}
+
+TEST_CASE("Parsed tags are matched case insensitive",
+    "[test-spec][test-spec-parser]") {
+    auto spec = parseAndCreateSpec( "[CASED tag]" );
+
+    Catch::TestCaseInfo testCase(
+        "", { "fake test name", "[cased TAG]" }, dummySourceLineInfo );
+
+    REQUIRE( spec.matches( testCase ) );
+}