Index: source/lib/res/graphics/tests/test_tex.h
===================================================================
--- source/lib/res/graphics/tests/test_tex.h
+++ source/lib/res/graphics/tests/test_tex.h
@@ -46,7 +46,9 @@
 
 			// encode to file format
 			TS_ASSERT_OK(t.encode(extension, &da));
-			memset(&t, 0, sizeof(t));
+
+			// Wipe the texture data to ensure decode doesn't work by chance
+			t.~Tex();
 
 			// decode from file format
 			shared_ptr<u8> ptr = DummySharedPtr(da.base);