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 } 65 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. 86 testScriptMirror(function(){}, 'mirror-script.js', 98, 2, 0); 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); 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()); 99
