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/LocalCorrectionsQuickFixTest.java
buf.append("    public void foo() {\n");
		buf.append("        try {\n");
		buf.append("            E.goo();\n");
		buf.append("        } catch (IOException e) {\n");
		buf.append("        } catch (ParseException e) {\n");
		buf.append("        }\n");	
		buf.append("    }\n");
		buf.append("}\n");
		String expected3= buf.toString();		
		
		assertEqualStringsIgnoreOrder(new String[] { preview1, preview2, preview3 }, new String[] { expected1, expected2, expected3 });		
	}	
	
	public void testUncaughtExceptionOnSuper1() throws Exception {
		IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null);
		StringBuffer buf= new StringBuffer();
		buf.append("package test1;\n");
		buf.append("import java.io.FileInputStream;\n");		
		buf.append("public class E extends FileInputStream {\n");
		buf.append("    public E() {\n");
		buf.append("        super(\"x\");\n");
		buf.append("    }\n");		
		buf.append("}\n");
		ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
		CompilationUnit astRoot= getASTRoot(cu);
		ArrayList proposals= collectCorrections(cu, astRoot);
		assertNumberOfProposals(proposals, 1);
		assertCorrectLabels(proposals);