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
ICompilationUnit cu2= pack1.createCompilationUnit("E2.java", buf.toString(), false, null);
		
		CleanUpRefactoring refactoring= new CleanUpRefactoring();
		refactoring.addCompilationUnit(cu2);
		
		ICleanUp cleanUp= new CodeStyleCleanUp(CodeStyleCleanUp.CHANGE_NON_STATIC_ACCESS_TO_STATIC);
		refactoring.addCleanUp(cleanUp);
		
		buf= new StringBuffer();
		buf.append("package test1;\n");
		buf.append("public class E2 {\n");
		buf.append("    private static String E1= \"\";\n");
		buf.append("    public void foo() {\n");
		buf.append("        test1.E1 e1= new test1.E1();\n");
		buf.append("        test1.E1.foo();\n");
		buf.append("    }\n");
		buf.append("}\n");
		String expected1= buf.toString();
		
		assertRefactoringResultAsExpected(refactoring, new String[] {expected1});
	}
	
	public void testCodeStyleBug123468() 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("    protected int field;\n");
		buf.append("}\n");
		pack1.createCompilationUnit("E1.java", buf.toString(), false, null);