| // Copyright 2008 the V8 project authors. All rights reserved. |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following |
| // disclaimer in the documentation and/or other materials provided |
| // with the distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived |
| // from this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| // Flags: --expose-debug-as debug |
| // Test the mirror object for scripts. |
| |
| function testScriptMirror(f, file_name, file_lines, script_type, script_source) { |
| // Create mirror and JSON representation. |
| var mirror = debug.MakeMirror(f).script(); |
| var serializer = debug.MakeMirrorSerializer(); |
| var json = serializer.serializeValue(mirror); |
| |
| // Check the mirror hierachy. |
| assertTrue(mirror instanceof debug.Mirror); |
| assertFalse(mirror instanceof debug.ValueMirror); |
| assertTrue(mirror instanceof debug.ScriptMirror); |
| |
| // Check the mirror properties. |
| assertTrue(mirror.isScript()); |
| assertEquals('script', mirror.type()); |
| var name = mirror.name(); |
| if (name) { |
| assertEquals(file_name, name.substring(name.length - file_name.length)); |
| } else { |
| assertTrue(file_name === null); |
| } |
| assertEquals(0, mirror.lineOffset()); |
| assertEquals(0, mirror.columnOffset()); |
| if (file_lines > 0) { |
| assertEquals(file_lines, mirror.lineCount()); |
| } |
| assertEquals(script_type, mirror.scriptType()); |
| if (script_source) { |
| assertEquals(script_source, mirror.source()); |
| } |
| |
| // Parse JSON representation and check. |
| var fromJSON = eval('(' + json + ')'); |
| assertEquals('script', fromJSON.type); |
| name = fromJSON.name; |
| if (name) { |
| assertEquals(file_name, name.substring(name.length - file_name.length)); |
| } else { |
| assertTrue(file_name === null); |
| } |
| assertEquals(0, fromJSON.lineOffset); |
| assertEquals(0, fromJSON.columnOffset); |
| if (file_lines > 0) { |
| assertEquals(file_lines, fromJSON.lineCount); |
| } |
| assertEquals(script_type, fromJSON.scriptType); |
| } |
| |
| |
| // Test the script mirror for different functions. |
| testScriptMirror(function(){}, 'mirror-script.js', 92, 2); |
| testScriptMirror(Math.sin, 'native math.js', -1, 0); |
| testScriptMirror(eval('function(){}'), null, 1, 2, 'function(){}'); |
| testScriptMirror(eval('function(){\n }'), null, 2, 2, 'function(){\n }'); |
| |
| // Test taking slices of source. |
| var mirror = debug.MakeMirror(eval('function(){\n 1;\n}')).script(); |
| assertEquals('function(){\n', mirror.sourceSlice(0, 1).sourceText()); |
| assertEquals(' 1;\n', mirror.sourceSlice(1, 2).sourceText()); |
| assertEquals('}', mirror.sourceSlice(2, 3).sourceText()); |
| assertEquals('function(){\n 1;\n', mirror.sourceSlice(0, 2).sourceText()); |
| assertEquals(' 1;\n}', mirror.sourceSlice(1, 3).sourceText()); |
| assertEquals('function(){\n 1;\n}', mirror.sourceSlice(0, 3).sourceText()); |