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:
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8//     * Redistributions in binary form must reproduce the above
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26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
28// Flags: --expose-debug-as debug --harmony-regexps --harmony-unicode-regexps
29// Test the mirror object for regular expression values
30
31var dont_enum = debug.PropertyAttribute.DontEnum;
32var dont_delete = debug.PropertyAttribute.DontDelete;
33var expected_prototype_attributes = {
34  'source': dont_enum,
35  'global': dont_enum,
36  'ignoreCase': dont_enum,
37  'multiline': dont_enum,
38  'unicode' : dont_enum,
39};
40
41function MirrorRefCache(json_refs) {
42  var tmp = eval('(' + json_refs + ')');
43  this.refs_ = [];
44  for (var i = 0; i < tmp.length; i++) {
45    this.refs_[tmp[i].handle] = tmp[i];
46  }
47}
48
49MirrorRefCache.prototype.lookup = function(handle) {
50  return this.refs_[handle];
51}
52
53function testRegExpMirror(r) {
54  // Create mirror and JSON representation.
55  var mirror = debug.MakeMirror(r);
56  var serializer = debug.MakeMirrorSerializer();
57  var json = JSON.stringify(serializer.serializeValue(mirror));
58  var refs = new MirrorRefCache(
59      JSON.stringify(serializer.serializeReferencedObjects()));
60
61  // Check the mirror hierachy.
62  assertTrue(mirror instanceof debug.Mirror);
63  assertTrue(mirror instanceof debug.ValueMirror);
64  assertTrue(mirror instanceof debug.ObjectMirror);
65  assertTrue(mirror instanceof debug.RegExpMirror);
66
67  // Check the mirror properties.
68  assertTrue(mirror.isRegExp());
69  assertEquals('regexp', mirror.type());
70  assertFalse(mirror.isPrimitive());
71  assertEquals(dont_enum | dont_delete,
72               mirror.property('lastIndex').attributes());
73  var proto_mirror = mirror.protoObject();
74  for (var p in expected_prototype_attributes) {
75    assertEquals(expected_prototype_attributes[p],
76                 proto_mirror.property(p).attributes(),
77                 p + ' attributes');
78  }
79
80  // Test text representation
81  assertEquals('/' + r.source + '/', mirror.toText());
82
83  // Parse JSON representation and check.
84  var fromJSON = eval('(' + json + ')');
85  assertEquals('regexp', fromJSON.type);
86  assertEquals('RegExp', fromJSON.className);
87  assertEquals('lastIndex', fromJSON.properties[0].name);
88  assertEquals(dont_enum | dont_delete, fromJSON.properties[0].attributes);
89  assertEquals(mirror.property('lastIndex').propertyType(),
90               fromJSON.properties[0].propertyType);
91  assertEquals(mirror.property('lastIndex').value().value(),
92               refs.lookup(fromJSON.properties[0].ref).value);
93}
94
95
96// Test Date values.
97testRegExpMirror(/x/);
98testRegExpMirror(/[abc]/);
99testRegExpMirror(/[\r\n]/g);
100testRegExpMirror(/a*b/gmi);
101testRegExpMirror(/(\u{0066}|\u{0062})oo/u);
102