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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26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
28// Flags: --expose-debug-as debug
29// Test the mirror object for string values
30
31const kMaxProtocolStringLength = 80; // Constant from mirror-delay.js
32
33function testStringMirror(s) {
34  // Create mirror and JSON representation.
35  var mirror = debug.MakeMirror(s);
36  var serializer = debug.MakeMirrorSerializer();
37  var json = JSON.stringify(serializer.serializeValue(mirror));
38
39  // Check the mirror hierachy.
40  assertTrue(mirror instanceof debug.Mirror);
41  assertTrue(mirror instanceof debug.ValueMirror);
42  assertTrue(mirror instanceof debug.StringMirror);
43
44  // Check the mirror properties.
45  assertTrue(mirror.isString());
46  assertEquals('string', mirror.type());
47  assertTrue(mirror.isPrimitive());
48
49  // Test text representation
50  if (s.length <= kMaxProtocolStringLength) {
51    assertEquals(s, mirror.toText());
52  } else {
53    assertEquals(s.substring(0, kMaxProtocolStringLength),
54                 mirror.toText().substring(0, kMaxProtocolStringLength));
55  }
56
57  // Parse JSON representation and check.
58  var fromJSON = eval('(' + json + ')');
59  assertEquals('string', fromJSON.type);
60  if (s.length <= kMaxProtocolStringLength) {
61    assertEquals(s, fromJSON.value);
62  } else {
63    assertEquals(s.substring(0, kMaxProtocolStringLength),
64                 fromJSON.value.substring(0, kMaxProtocolStringLength));
65    assertEquals(fromJSON.fromIndex, 0);
66    assertEquals(fromJSON.toIndex, kMaxProtocolStringLength);
67  }
68}
69
70// Test a number of different strings.
71testStringMirror('');
72testStringMirror('abcdABCD');
73testStringMirror('1234');
74testStringMirror('"');
75testStringMirror('"""');
76testStringMirror("'");
77testStringMirror("'''");
78testStringMirror("'\"'");
79testStringMirror('\\');
80testStringMirror('\b\t\n\f\r');
81testStringMirror('\u0001\u0002\u001E\u001F');
82testStringMirror('"a":1,"b":2');
83
84var s = "1234567890"
85s = s + s + s + s + s + s + s + s;
86assertEquals(kMaxProtocolStringLength, s.length);
87testStringMirror(s);
88s = s + 'X';
89testStringMirror(s);
90