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/*
* Copyright (c) 2010, 2013, 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.api.scripting;
import java.util.HashMap;
import java.util.Map;
import javax.script.ScriptEngine;
import javax.script.ScriptEngineManager;
import javax.script.ScriptException;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertFalse;
import static org.testng.Assert.assertTrue;
import static org.testng.Assert.fail;
import org.testng.annotations.Test;
/**
* Tests to check jdk.nashorn.api.scripting.ScriptObjectMirror API.
*/
public class ScriptObjectMirrorTest {
@SuppressWarnings("unchecked")
@Test
public void reflectionTest() throws ScriptException {
final ScriptEngineManager m = new ScriptEngineManager();
final ScriptEngine e = m.getEngineByName("nashorn");
e.eval("var obj = { x: 344, y: 'nashorn' }");
int count = 0;
Map<Object, Object> map = (Map<Object, Object>) e.get("obj");
assertFalse(map.isEmpty());
assertTrue(map.keySet().contains("x"));
assertTrue(map.containsKey("x"));
assertTrue(map.values().contains("nashorn"));
assertTrue(map.containsValue("nashorn"));
for (final Map.Entry<?, ?> ex : map.entrySet()) {
final Object key = ex.getKey();
if (key.equals("x")) {
assertTrue(344 == ((Number) ex.getValue()).doubleValue());
count++;
} else if (key.equals("y")) {
assertEquals(ex.getValue(), "nashorn");
count++;
}
}
assertEquals(2, count);
assertEquals(2, map.size());
// add property
map.put("z", "hello");
assertEquals(e.eval("obj.z"), "hello");
assertEquals(map.get("z"), "hello");
assertTrue(map.keySet().contains("z"));
assertTrue(map.containsKey("z"));
assertTrue(map.values().contains("hello"));
assertTrue(map.containsValue("hello"));
assertEquals(map.size(), 3);
final Map<Object, Object> newMap = new HashMap<>();
newMap.put("foo", 23.0);
newMap.put("bar", true);
map.putAll(newMap);
assertEquals(e.eval("obj.foo"), 23.0);
assertEquals(e.eval("obj.bar"), true);
// remove using map method
map.remove("foo");
assertEquals(e.eval("typeof obj.foo"), "undefined");
count = 0;
e.eval("var arr = [ true, 'hello' ]");
map = (Map<Object, Object>) e.get("arr");
assertFalse(map.isEmpty());
assertTrue(map.containsKey("length"));
assertTrue(map.containsValue("hello"));
for (final Map.Entry<?, ?> ex : map.entrySet()) {
final Object key = ex.getKey();
if (key.equals("0")) {
assertEquals(ex.getValue(), Boolean.TRUE);
count++;
} else if (key.equals("1")) {
assertEquals(ex.getValue(), "hello");
count++;
}
}
assertEquals(count, 2);
assertEquals(map.size(), 2);
// add element
map.put("2", "world");
assertEquals(map.get("2"), "world");
assertEquals(map.size(), 3);
// remove all
map.clear();
assertTrue(map.isEmpty());
assertEquals(e.eval("typeof arr[0]"), "undefined");
assertEquals(e.eval("typeof arr[1]"), "undefined");
assertEquals(e.eval("typeof arr[2]"), "undefined");
}
@Test
public void jsobjectTest() {
final ScriptEngineManager m = new ScriptEngineManager();
final ScriptEngine e = m.getEngineByName("nashorn");
try {
e.eval("var obj = { '1': 'world', func: function() { return this.bar; }, bar: 'hello' }");
JSObject obj = (JSObject) e.get("obj");
// try basic get on existing properties
if (!obj.getMember("bar").equals("hello")) {
fail("obj.bar != 'hello'");
}
if (!obj.getSlot(1).equals("world")) {
fail("obj[1] != 'world'");
}
if (!obj.callMember("func", new Object[0]).equals("hello")) {
fail("obj.func() != 'hello'");
}
// try setting properties
obj.setMember("bar", "new-bar");
obj.setSlot(1, "new-element-1");
if (!obj.getMember("bar").equals("new-bar")) {
fail("obj.bar != 'new-bar'");
}
if (!obj.getSlot(1).equals("new-element-1")) {
fail("obj[1] != 'new-element-1'");
}
// try adding properties
obj.setMember("prop", "prop-value");
obj.setSlot(12, "element-12");
if (!obj.getMember("prop").equals("prop-value")) {
fail("obj.prop != 'prop-value'");
}
if (!obj.getSlot(12).equals("element-12")) {
fail("obj[12] != 'element-12'");
}
// delete properties
obj.removeMember("prop");
if ("prop-value".equals(obj.getMember("prop"))) {
fail("obj.prop is not deleted!");
}
// Simple eval tests
assertEquals(obj.eval("typeof Object"), "function");
assertEquals(obj.eval("'nashorn'.substring(3)"), "horn");
} catch (final Exception exp) {
exp.printStackTrace();
fail(exp.getMessage());
}
}
@Test
public void scriptObjectMirrorToStringTest() {
final ScriptEngineManager m = new ScriptEngineManager();
final ScriptEngine e = m.getEngineByName("nashorn");
try {
Object obj = e.eval("new TypeError('wrong type')");
assertEquals(obj.toString(), "TypeError: wrong type", "toString returns wrong value");
} catch (final Throwable t) {
t.printStackTrace();
fail(t.getMessage());
}
try {
Object obj = e.eval("function func() { print('hello'); }");
assertEquals(obj.toString(), "function func() { print('hello'); }", "toString returns wrong value");
} catch (final Throwable t) {
t.printStackTrace();
fail(t.getMessage());
}
}
@Test
public void mirrorNewObjectGlobalFunctionTest() throws ScriptException {
final ScriptEngineManager m = new ScriptEngineManager();
final ScriptEngine e = m.getEngineByName("nashorn");
final ScriptEngine e2 = m.getEngineByName("nashorn");
e.eval("function func() {}");
e2.put("foo", e.get("func"));
final ScriptObjectMirror e2global = (ScriptObjectMirror)e2.eval("this");
final Object newObj = ((ScriptObjectMirror)e2global.getMember("foo")).newObject();
assertTrue(newObj instanceof ScriptObjectMirror);
}
@Test
public void mirrorNewObjectInstanceFunctionTest() throws ScriptException {
final ScriptEngineManager m = new ScriptEngineManager();
final ScriptEngine e = m.getEngineByName("nashorn");
final ScriptEngine e2 = m.getEngineByName("nashorn");
e.eval("function func() {}");
e2.put("func", e.get("func"));
final ScriptObjectMirror e2obj = (ScriptObjectMirror)e2.eval("({ foo: func })");
final Object newObj = ((ScriptObjectMirror)e2obj.getMember("foo")).newObject();
assertTrue(newObj instanceof ScriptObjectMirror);
}
}
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