Bug 76530 [options] Warn about unused local variables and private members
I think we should warn about unused local variables and unused private members by default. These things are errors akin to unused imports, which we already warn about.
org.eclipse.jdt.ui.tests/ui/org/eclipse/jdt/ui/tests/quickfix/UnresolvedMethodsQuickFixTest.java
buf.append("}\n");
		pack1.createCompilationUnit("A.java", buf.toString(), false, null);
		
		CompilationUnit astRoot= getASTRoot(cu1);
		ArrayList proposals= collectCorrections(cu1, astRoot);
		assertNumberOfProposals(proposals, 2);
		assertCorrectLabels(proposals);
		CUCorrectionProposal proposal= (CUCorrectionProposal) proposals.get(0);
		String preview1= getPreviewContent(proposal);
		buf= new StringBuffer();
		buf.append("package test1;\n");
		buf.append("public class A {\n");
		buf.append("\n");
		buf.append("    public A(int i) {\n");
		buf.append("    }\n");		
		buf.append("}\n");
		String expected1= buf.toString();	
		proposal= (CUCorrectionProposal) proposals.get(1);
		String preview2= getPreviewContent(proposal);
		buf= new StringBuffer();
		buf.append("package test1;\n");
		buf.append("public class E {\n");
		buf.append("    public void foo(int i) {\n");
		buf.append("        A a= new A();\n");
		buf.append("    }\n");
		buf.append("}\n");
		String expected2= buf.toString();		
		
		assertEqualStringsIgnoreOrder(new String[] { preview1, preview2 }, new String[] { expected1, expected2 });		
	}