1// Copyright 2013 the V8 project authors. All rights reserved.
2// Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
3//
4// Redistribution and use in source and binary forms, with or without
5// modification, are permitted provided that the following conditions
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8//     notice, this list of conditions and the following disclaimer.
9// 2.  Redistributions in binary form must reproduce the above copyright
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11//     documentation and/or other materials provided with the distribution.
12//
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23
24description("KDE JS Test");
25// Tests for raising --- and non-raising exceptions on access to reference to undefined things...
26
27// Locals should throw on access if undefined..
28fnShouldThrow(function() { a = x; }, ReferenceError);
29
30// Read-modify-write versions of assignment should throw as well
31fnShouldThrow(function() { x += "foo"; }, ReferenceError);
32
33// Other reference types should just return undefined...
34a = new Object();
35fnShouldNotThrow(function() { b = a.x; });
36fnShouldNotThrow(function() { b = a['x']; });
37fnShouldNotThrow(function() { a['x'] += 'baz'; });
38shouldBe("a['x']", '"undefinedbaz"');
39fnShouldNotThrow(function() { b = a.y; });
40fnShouldNotThrow(function() { a.y += 'glarch'; });
41shouldBe("a['y']", '"undefinedglarch"');
42
43
44// Helpers!
45function fnShouldThrow(f, exType)
46{
47  var exception;
48  var _av;
49  try {
50     _av = f();
51  } catch (e) {
52     exception = e;
53  }
54
55  if (exception) {
56    if (typeof exType == "undefined" || exception instanceof exType)
57      testPassed(f + " threw exception " + exception + ".");
58    else
59      testFailed(f + " should throw exception " + exType + ". Threw exception " + exception + ".");
60  } else if (typeof _av == "undefined")
61    testFailed(f + " should throw exception " + exType + ". Was undefined.");
62  else
63    testFailed(f + " should throw exception " + exType + ". Was " + _av + ".");
64}
65
66function fnShouldNotThrow(f)
67{
68  try {
69    f();
70    testPassed(f + " did not throw an exception");
71  } catch (e) {
72    testFailed(f + " threw an exception " + e + " when no exception expected");
73  }
74}
75