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/*******************************************************************************
* Copyright (c) 2009, 2010 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
}
}
}
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