void () { assertTrue(firstLetterMatcher("WebLogic").matches("WebLogic")); assertFalse(firstLetterMatcher("webLogic").matches("WebLogic")); assertTrue(firstLetterMatcher("cL").matches("class")); assertTrue(firstLetterMatcher("CL").matches("Class")); assertTrue(firstLetterMatcher("Cl").matches("CoreLoader")); assertFalse(firstLetterMatcher("abc").matches("_abc")); }