InvocationOnObjectExpressionTest.java

/*
Copyright (c) 2008 Arno Haase, Andr� Arnold.
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:
    Arno Haase - initial API and implementation
    Andr� Arnold
 */
package org.eclipse.xtend.backend.expr;

import static org.eclipse.xtend.backend.testhelpers.BackendTestHelper.SOURCE_POS;
import static org.eclipse.xtend.backend.testhelpers.BackendTestHelper.createEmptyExecutionContext;
import static org.eclipse.xtend.backend.testhelpers.BackendTestHelper.createLiteral;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.fail;

import java.util.Arrays;

import org.eclipse.xtend.backend.common.QualifiedName;
import org.junit.Test;


/**
 * 
 * @author Arno Haase (http://www.haase-consulting.com)
 * @author Andr� Arnold
 */
public class InvocationOnObjectExpressionTest {
    @Test public void testInvocation () {
        assertEquals (3L, new InvocationOnObjectExpression (new QualifiedName ("operatorPlus"), Arrays.asList (createLiteral (1L), createLiteral (2L)), false, SOURCE_POS).evaluate (createEmptyExecutionContext ()));
        assertEquals (3L, new InvocationOnObjectExpression (new QualifiedName ("operatorPlus"), Arrays.asList (createLiteral (1L), createLiteral (2L)), true, SOURCE_POS).evaluate (createEmptyExecutionContext ()));
        assertEquals (Arrays.asList (1L), new InvocationOnObjectExpression (new QualifiedName ("toList"), Arrays.asList (createLiteral (Arrays.asList(1L))), false, SOURCE_POS).evaluate (createEmptyExecutionContext()));
        assertEquals (Arrays.asList (1L), new InvocationOnObjectExpression (new QualifiedName ("toList"), Arrays.asList (createLiteral (Arrays.asList(1L))), true, SOURCE_POS).evaluate (createEmptyExecutionContext()));
        
        assertEquals (null, new InvocationOnObjectExpression (new QualifiedName ("toList"), Arrays.asList (createLiteral (null)), true, SOURCE_POS).evaluate (createEmptyExecutionContext()));
        assertEquals (null, new InvocationOnObjectExpression (new QualifiedName ("operatorPlus"), Arrays.asList (createLiteral (null), createLiteral (2L)), true, SOURCE_POS).evaluate (createEmptyExecutionContext()));

        try {
            new InvocationOnObjectExpression (new QualifiedName ("operatorPlus"), Arrays.asList (createLiteral (null), createLiteral (2L)), false, SOURCE_POS).evaluate (createEmptyExecutionContext());
            fail ("exception expected");
        }
        catch (Exception exc) {
        }
    }
}