1 // Copyright 2014 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 // Flags: --expose-debug-as debug
6 // Test the mirror object for functions.
8 function *generator(f) {
15 function MirrorRefCache(json_refs) {
16 var tmp = eval('(' + json_refs + ')');
18 for (var i = 0; i < tmp.length; i++) {
19 this.refs_[tmp[i].handle] = tmp[i];
23 MirrorRefCache.prototype.lookup = function(handle) {
24 return this.refs_[handle];
27 function TestGeneratorMirror(g, test) {
28 // Create mirror and JSON representation.
29 var mirror = debug.MakeMirror(g);
30 var serializer = debug.MakeMirrorSerializer();
31 var json = JSON.stringify(serializer.serializeValue(mirror));
32 var refs = new MirrorRefCache(
33 JSON.stringify(serializer.serializeReferencedObjects()));
35 // Check the mirror hierachy.
36 assertTrue(mirror instanceof debug.Mirror);
37 assertTrue(mirror instanceof debug.ValueMirror);
38 assertTrue(mirror instanceof debug.ObjectMirror);
39 assertTrue(mirror instanceof debug.GeneratorMirror);
41 // Check the mirror properties.
42 assertTrue(mirror.isGenerator());
43 assertEquals('generator', mirror.type());
44 assertFalse(mirror.isPrimitive());
45 assertEquals('Generator', mirror.className());
47 assertTrue(mirror.receiver().isUndefined());
48 assertEquals(generator, mirror.func().value());
53 var iter = generator(function () {
54 assertEquals('running', debug.MakeMirror(iter).status());
57 // Note that line numbers are 0-based, not 1-based.
58 function assertSourceLocation(loc, line, column) {
59 assertEquals(line, loc.line);
60 assertEquals(column, loc.column);
63 TestGeneratorMirror(iter, function (mirror) {
64 assertEquals('suspended', mirror.status())
65 assertSourceLocation(mirror.sourceLocation(), 7, 19);
69 TestGeneratorMirror(iter, function (mirror) {
70 assertEquals('suspended', mirror.status())
71 assertSourceLocation(mirror.sourceLocation(), 9, 2);
75 TestGeneratorMirror(iter, function (mirror) {
76 assertEquals('suspended', mirror.status())
77 assertSourceLocation(mirror.sourceLocation(), 11, 2);
81 TestGeneratorMirror(iter, function (mirror) {
82 assertEquals('closed', mirror.status())
83 assertEquals(undefined, mirror.sourceLocation());