lrparser/org.eclipse.cdt.core.lrparser.tests/src/org/eclipse/cdt/core/lrparser/tests/LRCompletionBasicTest.java

/*******************************************************************************
 * Copyright (c) 2006, 2008 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.cdt.core.lrparser.tests;

import junit.framework.TestSuite;

import org.eclipse.cdt.core.dom.ast.IASTCompletionNode;
import org.eclipse.cdt.core.dom.ast.IBinding;
import org.eclipse.cdt.core.dom.ast.IFunction;
import org.eclipse.cdt.core.dom.ast.ITypedef;
import org.eclipse.cdt.core.dom.lrparser.c99.C99Language;
import org.eclipse.cdt.core.dom.lrparser.cpp.ISOCPPLanguage;
import org.eclipse.cdt.core.model.ILanguage;
import org.eclipse.cdt.core.parser.ParserLanguage;
import org.eclipse.cdt.core.parser.tests.prefix.BasicCompletionTest;
import org.eclipse.cdt.internal.core.parser.ParserException;

@SuppressWarnings({"restriction", "nls"})
public class LRCompletionBasicTest extends BasicCompletionTest {

	public static TestSuite suite() {
        return new TestSuite(LRCompletionBasicTest.class);
    }
	
	public LRCompletionBasicTest() { }


	@Override
	@SuppressWarnings("unused") 
	protected IASTCompletionNode getCompletionNode(String code,
			ParserLanguage lang, boolean useGNUExtensions)
			throws ParserException {
		
		ILanguage language = lang.isCPP() ? getCPPLanguage() : getC99Language();
		return ParseHelper.getCompletionNode(code, language);
	}
	
	
	protected ILanguage getC99Language() {
    	return C99Language.getDefault();
    }
	
	protected ILanguage getCPPLanguage() {
		return ISOCPPLanguage.getDefault();
	}

	
	@Override
	public void testFunction() throws Exception {
		String code =
			"void func(int x) { }" +
			"void func2() { fu";
		
		// C++
		IASTCompletionNode node = getGPPCompletionNode(code);
		IBinding[] bindings = LRCompletionParseTest.getBindings(node.getNames());
		
		assertEquals(2, bindings.length);
		assertEquals("func", ((IFunction)bindings[0]).getName());
		assertEquals("func2", ((IFunction)bindings[1]).getName());

		// C
		node = getGCCCompletionNode(code);
		bindings = LRCompletionParseTest.getBindings(node.getNames());

		assertEquals(2, bindings.length);
		assertEquals("func", ((IFunction)bindings[0]).getName());
		assertEquals("func2", ((IFunction)bindings[1]).getName());
	}
	

	@Override
	public void testTypedef() throws Exception {
		String code = 
			"typedef int blah;" +
			"bl";
		
		// C++
		IASTCompletionNode node = getGPPCompletionNode(code);
		IBinding[] bindings = LRCompletionParseTest.getBindings(node.getNames());

		assertEquals(1, bindings.length);
		assertEquals("blah", ((ITypedef)bindings[0]).getName());
		
		// C
		node = getGCCCompletionNode(code);
		bindings = LRCompletionParseTest.getBindings(node.getNames());
		
		assertEquals(1, bindings.length);
		assertEquals("blah", ((ITypedef)bindings[0]).getName());
	}
	
	
}