Put everything back.

ctrtool/deps/libtoolchain/test/io_OverlayedSource_TestClass.h

@@ -0,0 +1,21 @@
+#pragma once
+#include "ITestClass.h"
+
+#include <tc/io/OverlayedSource.h>
+
+class io_OverlayedSource_TestClass : public ITestClass
+{
+public:
+	void runAllTests();
+private:
+	void testDefaultConstructor();
+	void testSingleOverlayConstructor();
+	void testMultiOverlayConstructor();
+	void testNullBaseStream();
+	void testNullOverlayStream();
+	void testOverlayStreamTooSmallForOverlayRegion();
+	void testOverlayRegionBeforeBaseStream();
+	void testOverlayRegionPartlyBeforeBaseStream();
+	void testOverlayRegionAfterBaseStream();
+	void testOverlayRegionPartlyAfterBaseStream();
+};