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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 | |
4 // met: | |
5 // | |
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. | |
15 // | |
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. | |
27 | |
28 // Flags: --expose-debug-as debug | |
29 // Test the mirror object for string values | |
30 | |
31 const kMaxProtocolStringLength = 80; // Constant from mirror-delay.js | |
32 | |
33 function testStringMirror(s) { | |
34 // Create mirror and JSON representation. | |
35 var mirror = debug.MakeMirror(s); | |
36 var serializer = debug.MakeMirrorSerializer(); | |
37 var json = JSON.stringify(serializer.serializeValue(mirror)); | |
38 | |
39 // Check the mirror hierachy. | |
40 assertTrue(mirror instanceof debug.Mirror); | |
41 assertTrue(mirror instanceof debug.ValueMirror); | |
42 assertTrue(mirror instanceof debug.StringMirror); | |
43 | |
44 // Check the mirror properties. | |
45 assertTrue(mirror.isString()); | |
46 assertEquals('string', mirror.type()); | |
47 assertTrue(mirror.isPrimitive()); | |
48 | |
49 // Test text representation | |
50 if (s.length <= kMaxProtocolStringLength) { | |
51 assertEquals(s, mirror.toText()); | |
52 } else { | |
53 assertEquals(s.substring(0, kMaxProtocolStringLength), | |
54 mirror.toText().substring(0, kMaxProtocolStringLength)); | |
55 } | |
56 | |
57 // Parse JSON representation and check. | |
58 var fromJSON = eval('(' + json + ')'); | |
59 assertEquals('string', fromJSON.type); | |
60 if (s.length <= kMaxProtocolStringLength) { | |
61 assertEquals(s, fromJSON.value); | |
62 } else { | |
63 assertEquals(s.substring(0, kMaxProtocolStringLength), | |
64 fromJSON.value.substring(0, kMaxProtocolStringLength)); | |
65 assertEquals(fromJSON.fromIndex, 0); | |
66 assertEquals(fromJSON.toIndex, kMaxProtocolStringLength); | |
67 } | |
68 } | |
69 | |
70 // Test a number of different strings. | |
71 testStringMirror(''); | |
72 testStringMirror('abcdABCD'); | |
73 testStringMirror('1234'); | |
74 testStringMirror('"'); | |
75 testStringMirror('"""'); | |
76 testStringMirror("'"); | |
77 testStringMirror("'''"); | |
78 testStringMirror("'\"'"); | |
79 testStringMirror('\\'); | |
80 testStringMirror('\b\t\n\f\r'); | |
81 testStringMirror('\u0001\u0002\u001E\u001F'); | |
82 testStringMirror('"a":1,"b":2'); | |
83 | |
84 var s = "1234567890" | |
85 s = s + s + s + s + s + s + s + s; | |
86 assertEquals(kMaxProtocolStringLength, s.length); | |
87 testStringMirror(s); | |
88 s = s + 'X'; | |
89 testStringMirror(s); | |
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