1 // Copyright 2008 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are
6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided
11 // with the distribution.
12 // * Neither the name of Google Inc. nor the names of its
13 // contributors may be used to endorse or promote products derived
14 // from this software without specific prior written permission.
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 // Flags: --expose-debug-as debug
29 // Test the mirror object for regular error objects
31 function MirrorRefCache(json_refs) {
32 var tmp = eval('(' + json_refs + ')');
34 for (var i = 0; i < tmp.length; i++) {
35 this.refs_[tmp[i].handle] = tmp[i];
39 MirrorRefCache.prototype.lookup = function(handle) {
40 return this.refs_[handle];
43 function testErrorMirror(e) {
44 // Create mirror and JSON representation.
45 var mirror = debug.MakeMirror(e);
46 var serializer = debug.MakeMirrorSerializer();
47 var json = JSON.stringify(serializer.serializeValue(mirror));
48 var refs = new MirrorRefCache(
49 JSON.stringify(serializer.serializeReferencedObjects()));
51 // Check the mirror hierachy.
52 assertTrue(mirror instanceof debug.Mirror);
53 assertTrue(mirror instanceof debug.ValueMirror);
54 assertTrue(mirror instanceof debug.ObjectMirror);
55 assertTrue(mirror instanceof debug.ErrorMirror);
57 // Check the mirror properties.
58 assertTrue(mirror.isError());
59 assertEquals('error', mirror.type());
60 assertFalse(mirror.isPrimitive());
61 assertEquals(mirror.message(), e.message, 'source');
63 // Parse JSON representation and check.
64 var fromJSON = eval('(' + json + ')');
65 assertEquals('error', fromJSON.type);
66 assertEquals('Error', fromJSON.className);
68 var found_message = false;
69 for (var i in fromJSON.properties) {
70 var p = fromJSON.properties[i];
72 if (p.name == 'message') {
73 assertEquals(e.message, refs.lookup(p.ref).value);
77 assertTrue(found_message, 'Property message not found');
80 // Check the formatted text (regress 1231579).
81 assertEquals(fromJSON.text, e.toString(), 'toString');
86 testErrorMirror(new Error());
87 testErrorMirror(new Error('This does not work'));
88 testErrorMirror(new Error(123+456));
89 testErrorMirror(new EvalError('EvalError'));
90 testErrorMirror(new RangeError('RangeError'));
91 testErrorMirror(new ReferenceError('ReferenceError'));
92 testErrorMirror(new SyntaxError('SyntaxError'));
93 testErrorMirror(new TypeError('TypeError'));
94 testErrorMirror(new URIError('URIError'));