test/nashorn/src/jdk/nashorn/internal/runtime/test/PropertyMapTest.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
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 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
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 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
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package jdk.nashorn.internal.runtime.test;

import java.util.Iterator;
import jdk.nashorn.internal.runtime.PropertyMap;
import jdk.nashorn.internal.runtime.ScriptObject;
import org.testng.Assert;
import org.testng.annotations.Test;

/**
 * Tests for PropertyMap functionality
 *
 * @test
 * @modules jdk.scripting.nashorn/jdk.nashorn.internal.runtime
 * @run testng jdk.nashorn.internal.runtime.test.PropertyMapTest
 */
@SuppressWarnings("javadoc")
public class PropertyMapTest {

    @Test
    public void propertyMapIteratorTest() {
        final ScriptObject scriptObject = new ScriptObject(PropertyMap.newMap()) {};
        Assert.assertFalse(scriptObject.getMap().iterator().hasNext());

        scriptObject.set("a", "a", 0);
        scriptObject.set("b", 3, 0);
        // 3 is a valid array key not stored in property map
        scriptObject.set(3, 1, 0);
        scriptObject.set(6.5, 1.3, 0);
        final Iterator<Object> iterator = scriptObject.getMap().iterator();

        Assert.assertTrue(iterator.hasNext());
        Assert.assertEquals(iterator.next(), "a");
        Assert.assertTrue(iterator.hasNext());
        Assert.assertEquals(iterator.next(), "b");
        Assert.assertTrue(iterator.hasNext());
        Assert.assertEquals(iterator.next(), "6.5");
        Assert.assertFalse(iterator.hasNext());
    }

}