1 // Copyright 2008 the V8 project authors. All rights reserved.
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3 // modification, are permitted provided that the following conditions are
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28 // Flags: --expose-debug-as debug --allow-natives-syntax
29 // Test the mirror object for scripts.
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));
38 // Check the mirror hierachy.
39 assertTrue(mirror instanceof debug.Mirror);
40 assertFalse(mirror instanceof debug.ValueMirror);
41 assertTrue(mirror instanceof debug.ScriptMirror);
43 // Check the mirror properties.
44 assertTrue(mirror.isScript());
45 assertEquals('script', mirror.type());
46 var name = mirror.name();
48 assertEquals(file_name, name.substring(name.length - file_name.length));
50 assertTrue(file_name === null);
52 assertEquals(0, mirror.lineOffset());
53 assertEquals(0, mirror.columnOffset());
55 assertEquals(file_lines, mirror.lineCount());
57 assertEquals(type, mirror.scriptType());
58 assertEquals(compilation_type, mirror.compilationType(), "compilation type");
60 assertEquals(source, mirror.source());
63 assertEquals(eval_from_line, mirror.evalFromLocation().line);
66 // Parse JSON representation and check.
67 var fromJSON = JSON.parse(json);
68 assertEquals('script', fromJSON.type);
71 assertEquals(file_name, name.substring(name.length - file_name.length));
73 assertTrue(file_name === null);
75 assertEquals(0, fromJSON.lineOffset);
76 assertEquals(0, fromJSON.columnOffset);
78 assertEquals(file_lines, fromJSON.lineCount);
80 assertEquals(type, fromJSON.scriptType);
81 assertEquals(compilation_type, fromJSON.compilationType);
85 // Test the script mirror for different functions.
86 testScriptMirror(function(){}, 'mirror-script.js', 98, 2, 0);
87 testScriptMirror(Math.round, '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);
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());