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

/*******************************************************************************
 *  Copyright (c) 2006, 2013 IBM Corporation and others.
 *
 *  This program and the accompanying materials
 *  are made available under the terms of the Eclipse Public License 2.0
 *  which accompanies this distribution, and is available at
 *  https://www.eclipse.org/legal/epl-2.0/
 *
 *  SPDX-License-Identifier: EPL-2.0
 *
 *  Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.cdt.core.lrparser.tests;

import org.eclipse.cdt.core.dom.ast.IASTComment;
import org.eclipse.cdt.core.dom.ast.IASTFileLocation;
import org.eclipse.cdt.core.dom.ast.IASTTranslationUnit;
import org.eclipse.cdt.core.dom.lrparser.gnu.GCCLanguage;
import org.eclipse.cdt.core.dom.lrparser.gnu.GPPLanguage;
import org.eclipse.cdt.core.model.ILanguage;
import org.eclipse.cdt.core.parser.ParserLanguage;
import org.eclipse.cdt.core.parser.tests.ast2.CommentTests;
import org.eclipse.cdt.internal.core.parser.ParserException;

import junit.framework.TestSuite;

@SuppressWarnings("restriction")
public class LRCommentTests extends CommentTests {

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

	@Override
	@SuppressWarnings("unused")
	protected IASTTranslationUnit parse(String code, ParserLanguage lang, boolean useGNUExtensions,
			boolean expectNoProblems) throws ParserException {
		ILanguage language = lang.isCPP() ? getCPPLanguage() : getCLanguage();
		return ParseHelper.parse(code, language, expectNoProblems);
	}

	@Override
	@SuppressWarnings("unused")
	protected IASTTranslationUnit parse(String code, ParserLanguage lang, boolean useGNUExtensions,
			boolean expectNoProblems, int limitTrivialInitializers) throws ParserException {

		ILanguage language = lang.isCPP() ? getCPPLanguage() : getCLanguage();
		ParseHelper.Options options = new ParseHelper.Options();
		options.setCheckSyntaxProblems(expectNoProblems);
		options.setCheckPreprocessorProblems(expectNoProblems);
		options.setLimitTrivialInitializers(limitTrivialInitializers);
		return ParseHelper.commentParse(code, language);
	}

	protected ILanguage getCLanguage() {
		return GCCLanguage.getDefault();
	}

	protected ILanguage getCPPLanguage() {
		return GPPLanguage.getDefault();
	}

	@SuppressWarnings("nls")
	public void testBug191266() throws Exception {
		String code = "#define MACRO 1000000000000  \n" + "int x = MACRO;  \n" + "//comment\n";

		IASTTranslationUnit tu = parse(code, ParserLanguage.C, false, false, 0);

		IASTComment[] comments = tu.getComments();
		assertEquals(1, comments.length);

		IASTFileLocation location = comments[0].getFileLocation();
		assertEquals(code.indexOf("//"), location.getNodeOffset());
		assertEquals("//comment".length(), location.getNodeLength());
	}
}