tests/org.eclipse.dltk.javascript.core.tests/src/org/eclipse/dltk/javascript/core/tests/contentassist/AbstractContentAssistTest.java

/*******************************************************************************
 * Copyright (c) 2010 xored software, Inc.
 *
 * 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:
 *     xored software, Inc. - initial API and Implementation (Alex Panchenko)
 *******************************************************************************/
package org.eclipse.dltk.javascript.core.tests.contentassist;

import junit.framework.AssertionFailedError;
import junit.framework.TestCase;

import org.eclipse.dltk.compiler.env.IModuleSource;
import org.eclipse.dltk.core.tests.CodeAssistUtil;
import org.eclipse.osgi.util.NLS;

public abstract class AbstractContentAssistTest extends TestCase {

	protected IModuleSource createModule(String moduleName) {
		return new TestModule(getClass().getResource(moduleName));
	}

	protected CodeAssistUtil getModule(String moduleName) {
		return CodeAssistUtil.on(createModule(moduleName));
	}

	public static int lastPositionInFile(String string, IModuleSource source) {
		return lastPositionInFile(string, source, true);
	}

	public static int lastPositionInFile(String string, IModuleSource source,
			boolean after) {
		int position = source.getSourceContents().lastIndexOf(string);
		if (position >= 0) {
			if (after) {
				position += string.length();
			}
			return position;
		} else {
			throw new AssertionFailedError(NLS.bind(
					"Pattern \"{0}\" not found in {1}", string,
					source.getFileName()));
		}
	}

	public static int firstPositionInFile(String string, IModuleSource source,
			boolean after) {
		int position = source.getSourceContents().indexOf(string);
		if (position >= 0) {
			if (after) {
				position += string.length();
			}
			return position;
		} else {
			throw new AssertionFailedError("Not found");
		}
	}

}