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27
28// Flags: --expose-debug-as debug
29// Test the mirror object for functions.
30
31function MirrorRefCache(json_refs) {
32  var tmp = eval('(' + json_refs + ')');
33  this.refs_ = [];
34  for (var i = 0; i < tmp.length; i++) {
35    this.refs_[tmp[i].handle] = tmp[i];
36  }
37}
38
39MirrorRefCache.prototype.lookup = function(handle) {
40  return this.refs_[handle];
41}
42
43function testFunctionMirror(f) {
44  // Create mirror and JSON representation.
45  var mirror = debug.MakeMirror(f);
46  var serializer = debug.MakeMirrorSerializer();
47  var json = JSON.stringify(serializer.serializeValue(mirror));
48  var refs = new MirrorRefCache(
49      JSON.stringify(serializer.serializeReferencedObjects()));
50
51  // Check the mirror hierachy.
52  assertTrue(mirror instanceof debug.Mirror);
53  assertTrue(mirror instanceof debug.ValueMirror);
54  assertTrue(mirror instanceof debug.ObjectMirror);
55  assertTrue(mirror instanceof debug.FunctionMirror);
56
57  // Check the mirror properties.
58  assertTrue(mirror.isFunction());
59  assertEquals('function', mirror.type());
60  assertFalse(mirror.isPrimitive());
61  assertEquals("Function", mirror.className());
62  assertEquals(f.name, mirror.name());
63  assertTrue(mirror.resolved());
64  assertEquals(f.toString(), mirror.source());
65  assertTrue(mirror.constructorFunction() instanceof debug.ObjectMirror);
66  assertTrue(mirror.protoObject() instanceof debug.Mirror);
67  assertTrue(mirror.prototypeObject() instanceof debug.Mirror);
68
69  // Test text representation
70  assertEquals(f.toString(), mirror.toText());
71
72  // Parse JSON representation and check.
73  var fromJSON = eval('(' + json + ')');
74  assertEquals('function', fromJSON.type);
75  assertEquals('Function', fromJSON.className);
76  assertEquals('function', refs.lookup(fromJSON.constructorFunction.ref).type);
77  assertEquals('Function', refs.lookup(fromJSON.constructorFunction.ref).name);
78  assertTrue(fromJSON.resolved);
79  assertEquals(f.name, fromJSON.name);
80  assertEquals(f.toString(), fromJSON.source);
81
82  // Check the formatted text (regress 1142074).
83  assertEquals(f.toString(), fromJSON.text);
84}
85
86
87// Test a number of different functions.
88testFunctionMirror(function(){});
89testFunctionMirror(function a(){return 1;});
90testFunctionMirror(Math.sin);
91