| /******************************************************************************* |
| * Copyright (c) 2009 Cloudsmith Inc. 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: |
| * Cloudsmith Inc. - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.equinox.p2.tests.metadata.expression; |
| |
| import org.eclipse.equinox.p2.metadata.expression.*; |
| import org.eclipse.equinox.p2.tests.AbstractProvisioningTest; |
| |
| public class ExpressionTest extends AbstractProvisioningTest { |
| private static final IExpressionFactory factory = ExpressionUtil.getFactory(); |
| |
| protected void testExpression(String exprStr, Object expectedOutcome) throws Exception { |
| IExpression expr = ExpressionUtil.parse(exprStr); |
| assertEquals(expr.evaluate(factory.createContext()), expectedOutcome); |
| } |
| |
| protected void testMatch(String expr, boolean expectedOutcome) throws Exception { |
| testExpression(expr, Boolean.valueOf(expectedOutcome)); |
| } |
| |
| public void testCompare() throws Exception { |
| testMatch("'foo' == 'foo'", true); |
| testMatch("'foo' == 'fooo'", false); |
| testMatch("'foo' != 'foo'", false); |
| testMatch("'foo' != 'fooo'", true); |
| testMatch("2 < 1", false); |
| testMatch("2 <= 1", false); |
| testMatch("2 < 2", false); |
| testMatch("2 <= 2", true); |
| testMatch("2 < 3", true); |
| testMatch("2 <= 3", true); |
| testMatch("1 > 2", false); |
| testMatch("1 >= 2", false); |
| testMatch("2 > 2", false); |
| testMatch("2 >= 2", true); |
| testMatch("3 > 2", true); |
| testMatch("3 >= 2", true); |
| } |
| |
| public void testAutoCoerce() throws Exception { |
| testMatch("'12' == 12", true); |
| testMatch("'012' == 12", true); |
| testMatch("'2' > '10'", true); |
| testMatch("'2' > 10", false); |
| testMatch("true == 'true'", true); |
| testMatch("true == 'True'", true); |
| testMatch("false == 'false'", true); |
| testMatch("false == 'False'", true); |
| } |
| |
| public void testLeftToRigthAssociativity() throws Exception { |
| testMatch("2 < 10 == true", true); |
| try { |
| testMatch("true == 2 < 10", false); |
| fail("Auto coercion from boolean to integer succeded"); |
| } catch (IllegalArgumentException e) { |
| // OK |
| } |
| } |
| } |