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 --allow-natives-syntax |
| 29 | // Test the mirror object for scripts. |
| 30 | |
| 31 | function testScriptMirror(f, file_name, file_lines, type, compilation_type, |
| 32 | source, eval_from_line) { |
| 33 | // Create mirror and JSON representation. |
| 34 | var mirror = debug.MakeMirror(f).script(); |
| 35 | var serializer = debug.MakeMirrorSerializer(); |
| 36 | var json = JSON.stringify(serializer.serializeValue(mirror)); |
| 37 | |
| 38 | // Check the mirror hierachy. |
| 39 | assertTrue(mirror instanceof debug.Mirror); |
| 40 | assertFalse(mirror instanceof debug.ValueMirror); |
| 41 | assertTrue(mirror instanceof debug.ScriptMirror); |
| 42 | |
| 43 | // Check the mirror properties. |
| 44 | assertTrue(mirror.isScript()); |
| 45 | assertEquals('script', mirror.type()); |
| 46 | var name = mirror.name(); |
| 47 | if (name) { |
| 48 | assertEquals(file_name, name.substring(name.length - file_name.length)); |
| 49 | } else { |
| 50 | assertTrue(file_name === null); |
| 51 | } |
| 52 | assertEquals(0, mirror.lineOffset()); |
| 53 | assertEquals(0, mirror.columnOffset()); |
| 54 | if (file_lines > 0) { |
| 55 | assertEquals(file_lines, mirror.lineCount()); |
| 56 | } |
| 57 | assertEquals(type, mirror.scriptType()); |
| 58 | assertEquals(compilation_type, mirror.compilationType(), "compilation type"); |
| 59 | if (source) { |
| 60 | assertEquals(source, mirror.source()); |
| 61 | } |
| 62 | if (eval_from_line) { |
| 63 | assertEquals(eval_from_line, mirror.evalFromLocation().line); |
| 64 | } |
Ben Murdoch | 589d697 | 2011-11-30 16:04:58 +0000 | [diff] [blame^] | 65 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 66 | // Parse JSON representation and check. |
| 67 | var fromJSON = JSON.parse(json); |
| 68 | assertEquals('script', fromJSON.type); |
| 69 | name = fromJSON.name; |
| 70 | if (name) { |
| 71 | assertEquals(file_name, name.substring(name.length - file_name.length)); |
| 72 | } else { |
| 73 | assertTrue(file_name === null); |
| 74 | } |
| 75 | assertEquals(0, fromJSON.lineOffset); |
| 76 | assertEquals(0, fromJSON.columnOffset); |
| 77 | if (file_lines > 0) { |
| 78 | assertEquals(file_lines, fromJSON.lineCount); |
| 79 | } |
| 80 | assertEquals(type, fromJSON.scriptType); |
| 81 | assertEquals(compilation_type, fromJSON.compilationType); |
| 82 | } |
| 83 | |
| 84 | |
| 85 | // Test the script mirror for different functions. |
Teng-Hui Zhu | 3e5fa29 | 2010-11-09 16:16:48 -0800 | [diff] [blame] | 86 | testScriptMirror(function(){}, 'mirror-script.js', 98, 2, 0); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 87 | testScriptMirror(Math.sin, 'native math.js', -1, 0, 0); |
| 88 | testScriptMirror(eval('(function(){})'), null, 1, 2, 1, '(function(){})', 87); |
| 89 | testScriptMirror(eval('(function(){\n })'), null, 2, 2, 1, '(function(){\n })', 88); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 90 | |
| 91 | // Test taking slices of source. |
| 92 | var mirror = debug.MakeMirror(eval('(function(){\n 1;\n})')).script(); |
| 93 | assertEquals('(function(){\n', mirror.sourceSlice(0, 1).sourceText()); |
| 94 | assertEquals(' 1;\n', mirror.sourceSlice(1, 2).sourceText()); |
| 95 | assertEquals('})', mirror.sourceSlice(2, 3).sourceText()); |
| 96 | assertEquals('(function(){\n 1;\n', mirror.sourceSlice(0, 2).sourceText()); |
| 97 | assertEquals(' 1;\n})', mirror.sourceSlice(1, 3).sourceText()); |
| 98 | assertEquals('(function(){\n 1;\n})', mirror.sourceSlice(0, 3).sourceText()); |