Matcher and sequence testing stuffs

test/ZoneCodeGeneratorLibTests/Parsing/Header/Sequence/SequenceNamespaceTests.cpp

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+#include <catch2/catch.hpp>
+
+#include "Parsing/Header/Sequence/SequenceNamespace.h"
+#include "Parsing/Mock/MockLexer.h"
+
+namespace test::parsing::header::sequence::sequence_namespace
+{
+    TEST_CASE("SequenceNamespace: Ensure can parse simple namespace directive", "[parsing][parsingstream]")
+    {
+        const TokenPos pos;
+        const auto lexer = std::make_unique<MockLexer<HeaderParserValue>>(MockLexer<HeaderParserValue>(
+            {
+                HeaderParserValue::Keyword(pos, HeaderParserValueType::NAMESPACE),
+                HeaderParserValue::Identifier(pos, new std::string("test_namespace")),
+                HeaderParserValue::Character(pos, '{')
+            }, HeaderParserValue::EndOfFile(pos)));
+
+        const auto sequence = std::make_unique<SequenceNamespace>();
+        const auto state = std::make_unique<HeaderParserState>();
+
+        unsigned consumedTokenCount;
+        auto result = sequence->MatchSequence(lexer.get(), state.get(), consumedTokenCount);
+
+        REQUIRE(result);
+    }
+}