JDK_8142924_Test.java revision 1627:221378857767 
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
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25package jdk.nashorn.internal.runtime.test;
26
27import java.io.ByteArrayInputStream;
28import java.io.ByteArrayOutputStream;
29import java.io.ObjectInputStream;
30import java.io.ObjectOutputStream;
31import jdk.nashorn.internal.objects.NativeSymbol;
32import jdk.nashorn.internal.runtime.Symbol;
33import org.testng.Assert;
34import org.testng.annotations.Test;
35
36/**
37 * @bug 8142924
38 * @summary ES6 symbols created with Symbol.for should deserialize to canonical instances
39 */
40@SuppressWarnings("javadoc")
41public class JDK_8142924_Test {
42    @Test
43    public static void testNonGlobal() throws Exception {
44        final String name = "testNonGlobal";
45        final Symbol symbol1 = (Symbol)NativeSymbol.constructor(false, null, name);
46        final Symbol symbol2 = serializeRoundTrip(symbol1);
47        Assert.assertNotSame(symbol1, symbol2);
48        Assert.assertEquals(symbol2.getName(), name);
49        Assert.assertNotSame(symbol1, NativeSymbol._for(null, name));
50    }
51
52    @Test
53    public static void testGlobal() throws Exception {
54        final String name = "testGlobal";
55        final Symbol symbol1 = (Symbol)NativeSymbol._for(null, name);
56        final Symbol symbol2 = serializeRoundTrip(symbol1);
57        Assert.assertSame(symbol1, symbol2);
58    }
59
60    private static Symbol serializeRoundTrip(final Symbol symbol) throws Exception {
61        final ByteArrayOutputStream bout = new ByteArrayOutputStream();
62        final ObjectOutputStream out = new ObjectOutputStream(bout);
63        out.writeObject(symbol);
64        out.close();
65        return (Symbol) new ObjectInputStream(new ByteArrayInputStream(bout.toByteArray())).readObject();
66    }
67}
68