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.append("        if (b) {\n");
		buf.append("            System.out.println(1);\n");
		buf.append("        } else if (q) {\n");
		buf.append("            System.out.println(1);\n");
		buf.append("        } else\n");
		buf.append("            if (b && q) {\n");
		buf.append("                System.out.println(1);\n");
		buf.append("            } else {\n");
		buf.append("                System.out.println(2);\n");
		buf.append("            }\n");
		buf.append("    }\n");
		buf.append("}\n");
		String expected1= buf.toString();
		
		assertRefactoringResultAsExpected(refactoring, new String[] {expected1});
	}
	
	public void testCodeStyle19() 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("    public boolean b, q;\n");
		buf.append("    public void foo() {\n");
		buf.append("        for (;b;)\n");
		buf.append("            for (;q;)\n");
		buf.append("                if (b)\n");
		buf.append("                    System.out.println(1);\n");
		buf.append("                else if (q)\n");
		buf.append("                    System.out.println(2);\n");