Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 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); |