1// Copyright 2012 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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27
28// Test that the message property of error objects is a data property.
29
30var o;
31
32// message is constructed using the constructor.
33var error1 = new Error("custom message");
34o = {};
35o.__proto__ = error1;
36
37assertEquals("custom message",
38             Object.getOwnPropertyDescriptor(error1, "message").value);
39o.message = "another message";
40assertEquals("another message", o.message);
41assertEquals("custom message", error1.message);
42
43// message is constructed by the runtime.
44var error2;
45try { x.x } catch (e) { error2 = e; }
46o = {};
47o.__proto__ = error2;
48
49assertEquals("x is not defined",
50             Object.getOwnPropertyDescriptor(error2, "message").value);
51o.message = "another message";
52assertEquals("another message", o.message);
53assertEquals("x is not defined", error2.message);
54