Add unit test for string literal helper

test/CMakeLists.txt

@@ -12,6 +12,7 @@ include_directories("../src")
 set(testFiles
     testalgorithm.cpp
     testbittorrenttrackerentry.cpp
+    testglobal.cpp
     testorderedset.cpp
     testpath.cpp
     testutilscompare.cpp