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/*
* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* 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.
*
* 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).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package jdk.nashorn.internal.runtime.test;
import static org.testng.Assert.assertFalse;
import static org.testng.Assert.assertTrue;
import java.util.Map;
import javax.script.Bindings;
import jdk.nashorn.api.scripting.JSObject;
import jdk.nashorn.api.scripting.ScriptObjectMirror;
import jdk.nashorn.internal.objects.NativeArray;
import jdk.nashorn.internal.runtime.ScriptObject;
import jdk.nashorn.internal.runtime.linker.Bootstrap;
import org.testng.annotations.Test;
/**
* @test
* @bug 8078414
* @summary Test that arbitrary classes can't be converted to mirror's superclasses/interfaces.
* @run testng jdk.nashorn.internal.runtime.test.JDK_8078414_Test
*/
public class JDK_8078414_Test {
@Test
public void testCanNotConvertArbitraryClassToMirror() {
assertCanNotConvert(Double.class, Map.class);
assertCanNotConvert(Double.class, Bindings.class);
assertCanNotConvert(Double.class, JSObject.class);
assertCanNotConvert(Double.class, ScriptObjectMirror.class);
}
@Test
public void testCanConvertObjectToMirror() {
assertCanConvertToMirror(Object.class);
}
@Test
public void testCanConvertScriptObjectToMirror() {
assertCanConvertToMirror(ScriptObject.class);
}
@Test
public void testCanConvertScriptObjectSubclassToMirror() {
assertCanConvertToMirror(NativeArray.class);
}
@Test
public void testCanConvertArbitraryInterfaceToMirror() {
// We allow arbitrary interface classes, depending on what implements them, to end up being
// convertible to ScriptObjectMirror, as an implementation can theoretically pass an
// "instanceof ScriptObject" guard.
assertCanConvertToMirror(TestInterface.class);
}
public static interface TestInterface {
}
private static boolean canConvert(final Class<?> from, final Class<?> to) {
return Bootstrap.getLinkerServices().canConvert(from, to);
}
private static void assertCanConvert(final Class<?> from, final Class<?> to) {
assertTrue(canConvert(from, to));
}
private static void assertCanNotConvert(final Class<?> from, final Class<?> to) {
assertFalse(canConvert(from, to));
}
private static void assertCanConvertToMirror(final Class<?> from) {
assertCanConvert(from, Map.class);
assertCanConvert(from, Bindings.class);
assertCanConvert(from, JSObject.class);
assertCanConvert(from, ScriptObjectMirror.class);
}
}
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