JSTypeTest.java revision 1643:133ea8746b37 
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
26package jdk.nashorn.internal.runtime.test;
27
28import jdk.nashorn.internal.runtime.JSType;
29import jdk.nashorn.internal.runtime.ScriptRuntime;
30import static org.testng.Assert.assertEquals;
31import static org.testng.Assert.assertFalse;
32import static org.testng.Assert.assertTrue;
33
34import org.testng.annotations.Test;
35
36/**
37 * Tests for JSType methods.
38 *
39 * @test
40 * @modules jdk.scripting.nashorn/jdk.nashorn.internal.runtime
41 * @run testng jdk.nashorn.internal.runtime.test.JSTypeTest
42 */
43public class JSTypeTest {
44    /**
45     * Test of isPrimitive method, of class Runtime.
46     */
47    @Test
48    public void testIsPrimitive() {
49        assertTrue(JSType.isPrimitive(null));
50        assertTrue(JSType.isPrimitive(ScriptRuntime.UNDEFINED));
51        assertTrue(JSType.isPrimitive(Double.NaN));
52        assertTrue(JSType.isPrimitive(Double.NEGATIVE_INFINITY));
53        assertTrue(JSType.isPrimitive(Double.POSITIVE_INFINITY));
54        assertTrue(JSType.isPrimitive(0.0));
55        assertTrue(JSType.isPrimitive(3.14));
56        assertTrue(JSType.isPrimitive("hello"));
57        assertTrue(JSType.isPrimitive(""));
58        assertFalse(JSType.isPrimitive(new Object()));
59    }
60
61    /**
62     * Test of toBoolean method, of class Runtime.
63     */
64    @Test
65    public void testToBoolean() {
66        assertFalse(JSType.toBoolean(ScriptRuntime.UNDEFINED));
67        assertFalse(JSType.toBoolean(null));
68        assertFalse(JSType.toBoolean(Boolean.FALSE));
69        assertTrue(JSType.toBoolean(Boolean.TRUE));
70        assertFalse(JSType.toBoolean(-0.0));
71        assertFalse(JSType.toBoolean(0.0));
72        assertFalse(JSType.toBoolean(Double.NaN));
73        assertTrue(JSType.toBoolean(3.14));
74        assertFalse(JSType.toBoolean(""));
75        assertTrue(JSType.toBoolean("javascript"));
76        assertTrue(JSType.toBoolean(new Object()));
77    }
78
79    /**
80     * Test of toNumber method, of class Runtime.
81     */
82    @Test
83    public void testToNumber_Object() {
84        assertTrue(Double.isNaN(JSType.toNumber(ScriptRuntime.UNDEFINED)));
85        assertEquals(JSType.toNumber((Object)null), 0.0, 0.0);
86        assertEquals(JSType.toNumber(Boolean.TRUE), 1.0, 0.0);
87        assertEquals(JSType.toNumber(Boolean.FALSE), 0.0, 0.0);
88        assertEquals(JSType.toNumber(3.14), 3.14, 0.0);
89        // FIXME: add more assertions for specific String to number cases
90        // FIXME: add case for Object type (JSObject with getDefaultValue)
91    }
92
93    /**
94     * Test of toString method, of class Runtime.
95     */
96    @Test
97    public void testToString_Object() {
98        assertEquals(JSType.toString(ScriptRuntime.UNDEFINED), "undefined");
99        assertEquals(JSType.toString(null), "null");
100        assertEquals(JSType.toString(Boolean.TRUE), "true");
101        assertEquals(JSType.toString(Boolean.FALSE), "false");
102        assertEquals(JSType.toString(""), "");
103        assertEquals(JSType.toString("nashorn"), "nashorn");
104        assertEquals(JSType.toString(Double.NaN), "NaN");
105        assertEquals(JSType.toString(Double.POSITIVE_INFINITY), "Infinity");
106        assertEquals(JSType.toString(Double.NEGATIVE_INFINITY), "-Infinity");
107        assertEquals(JSType.toString(0.0), "0");
108        // FIXME: add more number-to-string test cases
109        // FIXME: add case for Object type (JSObject with getDefaultValue)
110    }
111
112    /**
113     * Test of JSType.toUint32(double)
114     */
115    @Test
116    public void testToUint32() {
117        assertEquals(JSType.toUint32(+0.0), 0);
118        assertEquals(JSType.toUint32(-0.0), 0);
119        assertEquals(JSType.toUint32(Double.NaN), 0);
120        assertEquals(JSType.toUint32(Double.POSITIVE_INFINITY), 0);
121        assertEquals(JSType.toUint32(Double.NEGATIVE_INFINITY), 0);
122        assertEquals(JSType.toUint32(9223372036854775807.0d), 0);
123        assertEquals(JSType.toUint32(-9223372036854775807.0d), 0);
124        assertEquals(JSType.toUint32(1099511627776.0d), 0);
125        assertEquals(JSType.toUint32(-1099511627776.0d), 0);
126        assertEquals(JSType.toUint32(4294967295.0d), 4294967295l);
127        assertEquals(JSType.toUint32(4294967296.0d), 0);
128        assertEquals(JSType.toUint32(4294967297.0d), 1);
129        assertEquals(JSType.toUint32(-4294967295.0d), 1);
130        assertEquals(JSType.toUint32(-4294967296.0d), 0);
131        assertEquals(JSType.toUint32(-4294967297.0d), 4294967295l);
132        assertEquals(JSType.toUint32(4294967295.6d), 4294967295l);
133        assertEquals(JSType.toUint32(4294967296.6d), 0);
134        assertEquals(JSType.toUint32(4294967297.6d), 1);
135        assertEquals(JSType.toUint32(-4294967295.6d), 1);
136        assertEquals(JSType.toUint32(-4294967296.6d), 0);
137        assertEquals(JSType.toUint32(-4294967297.6d), 4294967295l);
138    }
139
140    /**
141     * Test of JSType.toInt32(double)
142     */
143    @Test
144    public void testToInt32() {
145        assertEquals(JSType.toInt32(+0.0), 0);
146        assertEquals(JSType.toInt32(-0.0), 0);
147        assertEquals(JSType.toInt32(Double.NaN), 0);
148        assertEquals(JSType.toInt32(Double.POSITIVE_INFINITY), 0);
149        assertEquals(JSType.toInt32(Double.NEGATIVE_INFINITY), 0);
150        assertEquals(JSType.toInt32(9223372036854775807.0d), 0);
151        assertEquals(JSType.toInt32(-9223372036854775807.0d), 0);
152        assertEquals(JSType.toInt32(1099511627776.0d), 0);
153        assertEquals(JSType.toInt32(-1099511627776.0d), 0);
154        assertEquals(JSType.toInt32(4294967295.0d), -1);
155        assertEquals(JSType.toInt32(4294967296.0d), 0);
156        assertEquals(JSType.toInt32(4294967297.0d), 1);
157        assertEquals(JSType.toInt32(-4294967295.0d), 1);
158        assertEquals(JSType.toInt32(-4294967296.0d), 0);
159        assertEquals(JSType.toInt32(-4294967297.d), -1);
160        assertEquals(JSType.toInt32(4294967295.6d), -1);
161        assertEquals(JSType.toInt32(4294967296.6d), 0);
162        assertEquals(JSType.toInt32(4294967297.6d), 1);
163        assertEquals(JSType.toInt32(-4294967295.6d), 1);
164        assertEquals(JSType.toInt32(-4294967296.6d), 0);
165        assertEquals(JSType.toInt32(-4294967297.6d), -1);
166    }
167
168    /**
169     * Test of JSType.toUint16(double)
170     */
171    @Test
172    public void testToUint16() {
173        assertEquals(JSType.toUint16(+0.0), 0);
174        assertEquals(JSType.toUint16(-0.0), 0);
175        assertEquals(JSType.toUint16(Double.NaN), 0);
176        assertEquals(JSType.toUint16(Double.POSITIVE_INFINITY), 0);
177        assertEquals(JSType.toUint16(Double.NEGATIVE_INFINITY), 0);
178        assertEquals(JSType.toUint16(9223372036854775807.0d), 0);
179        assertEquals(JSType.toUint16(-9223372036854775807.0d), 0);
180        assertEquals(JSType.toUint16(1099511627776.0d), 0);
181        assertEquals(JSType.toUint16(-1099511627776.0d), 0);
182        assertEquals(JSType.toUint16(4294967295.0d), 65535);
183        assertEquals(JSType.toUint16(4294967296.0d), 0);
184        assertEquals(JSType.toUint16(4294967297.0d), 1);
185        assertEquals(JSType.toUint16(-4294967295.0d), 1);
186        assertEquals(JSType.toUint16(-4294967296.0d), 0);
187        assertEquals(JSType.toUint16(-4294967297.0d), 65535);
188        assertEquals(JSType.toUint16(4294967295.6d), 65535);
189        assertEquals(JSType.toUint16(4294967296.6d), 0);
190        assertEquals(JSType.toUint16(4294967297.6d), 1);
191        assertEquals(JSType.toUint16(-4294967295.6d), 1);
192        assertEquals(JSType.toUint16(-4294967296.6d), 0);
193        assertEquals(JSType.toUint16(-4294967297.6d), 65535);
194    }
195
196}
197