Bug 30135 [quick fix] add quick fix for method needs a method body
We should provide a quick fix for: public class Foo { public void f(); // error needs a method body } The quick fix replaces the semicolong with a stub method body
org.eclipse.jdt.ui.tests/ui/org/eclipse/jdt/ui/tests/quickfix/ModifierCorrectionsQuickFixTest.java
assertNumberOf("proposals", proposals.size(), 2);
		assertCorrectLabels(proposals);
		
		CUCorrectionProposal proposal= (CUCorrectionProposal) proposals.get(0);
		String preview1= proposal.getCompilationUnitChange().getPreviewContent();
		buf= new StringBuffer();
		buf.append("package test1;\n");
		buf.append("public class E {\n");
		buf.append("    public int foo() {\n");
		buf.append("        return 0;\n");	
		buf.append("    }\n");
		buf.append("}\n");
		String expected1= buf.toString();
		
		proposal= (CUCorrectionProposal) proposals.get(1);
		String preview2= proposal.getCompilationUnitChange().getPreviewContent();
		buf= new StringBuffer();
		buf.append("package test1;\n");		
		buf.append("public abstract class E {\n");
		buf.append("    public abstract int foo();\n");
		buf.append("}\n");
		String expected2= buf.toString();
		
		assertEqualStringsIgnoreOrder(new String[] { preview1, preview2 }, new String[] { expected1, expected2 });		
	}
	
	public void testNativeMethodWithBody() throws Exception {	
		IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null);
		StringBuffer buf= new StringBuffer();
		buf.append("package test1;\n");