Bug 127704 [clean up] 'Remove unnecessary casts' should work for nested casts
I20060214-0010 Clean up only removes one of the unnecessary casts: boolean m() { return (boolean) (Boolean) Boolean.TRUE; }
org.eclipse.jdt.ui.tests/ui/org/eclipse/jdt/ui/tests/quickfix/CleanUpTest.java
buf= new StringBuffer();
		buf.append("package test1;\n");
		buf.append("public class E1 {\n");
		buf.append("    void method() {\n");
		buf.append("        int[] array= null;\n");
		buf.append("        for (int element : array) {\n");
		buf.append("            System.out.println(element);\n");
		buf.append("        }\n");
		buf.append("    }\n");
		buf.append("}\n");
		String expected1= buf.toString();
		
		assertRefactoringResultAsExpected(refactoring, new String[] {expected1});
	}
	
	public void testCombinationBug125455() throws Exception {
		IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null);
		StringBuffer buf= new StringBuffer();
		buf.append("package test1;\n");
		buf.append("public class E1  {\n");
		buf.append("    private void bar(boolean wait) {\n");
		buf.append("        if (!wait) \n");
		buf.append("            return;\n");
		buf.append("    }\n");
		buf.append("    private void foo(String s) {\n");
		buf.append("        String s1= \"\";\n");
		buf.append("        if (s.equals(\"\"))\n");
		buf.append("            System.out.println();\n");
		buf.append("    }\n");