1 /*
2 * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package jdk.nashorn.api.scripting;
27
28 import java.util.HashMap;
29 import java.util.List;
30 import java.util.Map;
31 import javax.script.ScriptEngine;
32 import javax.script.ScriptEngineManager;
33 import javax.script.ScriptException;
34 import static org.testng.Assert.assertEquals;
35 import static org.testng.Assert.assertFalse;
36 import static org.testng.Assert.assertTrue;
37 import static org.testng.Assert.fail;
38 import org.testng.annotations.Test;
39
40 /**
41 * Tests to check jdk.nashorn.api.scripting.ScriptObjectMirror API.
42 */
43 public class ScriptObjectMirrorTest {
44
45 @SuppressWarnings("unchecked")
46 @Test
47 public void reflectionTest() throws ScriptException {
48 final ScriptEngineManager m = new ScriptEngineManager();
49 final ScriptEngine e = m.getEngineByName("nashorn");
50
51 e.eval("var obj = { x: 344, y: 'nashorn' }");
52
53 int count = 0;
54 Map<Object, Object> map = (Map<Object, Object>) e.get("obj");
55 assertFalse(map.isEmpty());
56 assertTrue(map.keySet().contains("x"));
57 assertTrue(map.containsKey("x"));
58 assertTrue(map.values().contains("nashorn"));
59 assertTrue(map.containsValue("nashorn"));
60 for (final Map.Entry<?, ?> ex : map.entrySet()) {
61 final Object key = ex.getKey();
62 if (key.equals("x")) {
63 assertTrue(344 == ((Number) ex.getValue()).doubleValue());
64 count++;
65 } else if (key.equals("y")) {
66 assertEquals(ex.getValue(), "nashorn");
67 count++;
68 }
69 }
70 assertEquals(2, count);
71 assertEquals(2, map.size());
72
73 // add property
74 map.put("z", "hello");
75 assertEquals(e.eval("obj.z"), "hello");
76 assertEquals(map.get("z"), "hello");
77 assertTrue(map.keySet().contains("z"));
78 assertTrue(map.containsKey("z"));
79 assertTrue(map.values().contains("hello"));
80 assertTrue(map.containsValue("hello"));
81 assertEquals(map.size(), 3);
82
83 final Map<Object, Object> newMap = new HashMap<>();
84 newMap.put("foo", 23.0);
85 newMap.put("bar", true);
86 map.putAll(newMap);
87
88 assertEquals(e.eval("obj.foo"), 23.0);
89 assertEquals(e.eval("obj.bar"), true);
90
91 // remove using map method
92 map.remove("foo");
93 assertEquals(e.eval("typeof obj.foo"), "undefined");
94
95 count = 0;
96 e.eval("var arr = [ true, 'hello' ]");
97 map = (Map<Object, Object>) e.get("arr");
98 assertFalse(map.isEmpty());
99 assertTrue(map.containsKey("length"));
100 assertTrue(map.containsValue("hello"));
101 for (final Map.Entry<?, ?> ex : map.entrySet()) {
102 final Object key = ex.getKey();
103 if (key.equals("0")) {
104 assertEquals(ex.getValue(), Boolean.TRUE);
105 count++;
106 } else if (key.equals("1")) {
107 assertEquals(ex.getValue(), "hello");
108 count++;
109 }
110 }
111 assertEquals(count, 2);
112 assertEquals(map.size(), 2);
113
114 // add element
115 map.put("2", "world");
116 assertEquals(map.get("2"), "world");
117 assertEquals(map.size(), 3);
118
119 // remove all
120 map.clear();
121 assertTrue(map.isEmpty());
122 assertEquals(e.eval("typeof arr[0]"), "undefined");
123 assertEquals(e.eval("typeof arr[1]"), "undefined");
124 assertEquals(e.eval("typeof arr[2]"), "undefined");
125 }
126
127 @Test
128 public void jsobjectTest() {
129 final ScriptEngineManager m = new ScriptEngineManager();
130 final ScriptEngine e = m.getEngineByName("nashorn");
131 try {
132 e.eval("var obj = { '1': 'world', func: function() { return this.bar; }, bar: 'hello' }");
133 ScriptObjectMirror obj = (ScriptObjectMirror) e.get("obj");
134
135 // try basic get on existing properties
136 if (!obj.getMember("bar").equals("hello")) {
137 fail("obj.bar != 'hello'");
138 }
139
140 if (!obj.getSlot(1).equals("world")) {
141 fail("obj[1] != 'world'");
142 }
143
144 if (!obj.callMember("func", new Object[0]).equals("hello")) {
145 fail("obj.func() != 'hello'");
146 }
147
148 // try setting properties
149 obj.setMember("bar", "new-bar");
150 obj.setSlot(1, "new-element-1");
151 if (!obj.getMember("bar").equals("new-bar")) {
152 fail("obj.bar != 'new-bar'");
153 }
154
155 if (!obj.getSlot(1).equals("new-element-1")) {
156 fail("obj[1] != 'new-element-1'");
157 }
158
159 // try adding properties
160 obj.setMember("prop", "prop-value");
161 obj.setSlot(12, "element-12");
162 if (!obj.getMember("prop").equals("prop-value")) {
163 fail("obj.prop != 'prop-value'");
164 }
165
166 if (!obj.getSlot(12).equals("element-12")) {
167 fail("obj[12] != 'element-12'");
168 }
169
170 // delete properties
171 obj.removeMember("prop");
172 if ("prop-value".equals(obj.getMember("prop"))) {
173 fail("obj.prop is not deleted!");
174 }
175
176 // Simple eval tests
177 assertEquals(obj.eval("typeof Object"), "function");
178 assertEquals(obj.eval("'nashorn'.substring(3)"), "horn");
179 } catch (final Exception exp) {
180 exp.printStackTrace();
181 fail(exp.getMessage());
182 }
183 }
184
185 @Test
186 public void scriptObjectMirrorToStringTest() {
187 final ScriptEngineManager m = new ScriptEngineManager();
188 final ScriptEngine e = m.getEngineByName("nashorn");
189 try {
190 Object obj = e.eval("new TypeError('wrong type')");
191 assertEquals(obj.toString(), "TypeError: wrong type", "toString returns wrong value");
192 } catch (final Throwable t) {
193 t.printStackTrace();
194 fail(t.getMessage());
195 }
196
197 try {
198 Object obj = e.eval("function func() { print('hello'); }");
199 assertEquals(obj.toString(), "function func() { print('hello'); }", "toString returns wrong value");
200 } catch (final Throwable t) {
201 t.printStackTrace();
202 fail(t.getMessage());
203 }
204 }
205
206 @Test
207 public void mirrorNewObjectGlobalFunctionTest() throws ScriptException {
208 final ScriptEngineManager m = new ScriptEngineManager();
209 final ScriptEngine e = m.getEngineByName("nashorn");
210 final ScriptEngine e2 = m.getEngineByName("nashorn");
211
212 e.eval("function func() {}");
213 e2.put("foo", e.get("func"));
214 final ScriptObjectMirror e2global = (ScriptObjectMirror)e2.eval("this");
215 final Object newObj = ((ScriptObjectMirror)e2global.getMember("foo")).newObject();
216 assertTrue(newObj instanceof ScriptObjectMirror);
217 }
218
219 @Test
220 public void mirrorNewObjectInstanceFunctionTest() throws ScriptException {
221 final ScriptEngineManager m = new ScriptEngineManager();
222 final ScriptEngine e = m.getEngineByName("nashorn");
223 final ScriptEngine e2 = m.getEngineByName("nashorn");
224
225 e.eval("function func() {}");
226 e2.put("func", e.get("func"));
227 final ScriptObjectMirror e2obj = (ScriptObjectMirror)e2.eval("({ foo: func })");
228 final Object newObj = ((ScriptObjectMirror)e2obj.getMember("foo")).newObject();
229 assertTrue(newObj instanceof ScriptObjectMirror);
230 }
231
232 @Test
233 public void conversionTest() throws ScriptException {
234 final ScriptEngineManager m = new ScriptEngineManager();
235 final ScriptEngine e = m.getEngineByName("nashorn");
236 final ScriptObjectMirror arr = (ScriptObjectMirror)e.eval("[33, 45, 23]");
237 final int[] intArr = arr.to(int[].class);
238 assertEquals(intArr[0], 33);
239 assertEquals(intArr[1], 45);
240 assertEquals(intArr[2], 23);
241
242 final List<?> list = arr.to(List.class);
243 assertEquals(list.get(0), 33);
244 assertEquals(list.get(1), 45);
245 assertEquals(list.get(2), 23);
246
247 ScriptObjectMirror obj = (ScriptObjectMirror)e.eval(
248 "({ valueOf: function() { return 42 } })");
249 assertEquals(Double.valueOf(42.0), obj.to(Double.class));
250
251 obj = (ScriptObjectMirror)e.eval(
252 "({ toString: function() { return 'foo' } })");
253 assertEquals("foo", obj.to(String.class));
254 }
255 }