src/v8/test/webkit/delete-then-put.js

// Copyright 2013 the V8 project authors. All rights reserved.
// Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
//
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// modification, are permitted provided that the following conditions
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// 2.  Redistributions in binary form must reproduce the above copyright
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description(
'This tests for a problem with put after delete that existed at one point in the past.'
);

function props(o)
{
    var s = "";
    for (p in o) {
        if (s.length != 0)
            s += ",";
        s += p;
    }
    return s;
}

var a = { a:1, b:2, c:3, d:4, e:5 }

shouldBe("props(a)", "'a,b,c,d,e'");
debug("delete a.c");
delete a.c;
shouldBe("props(a)", "'a,b,d,e'");
debug("define getter named c");
a.__defineGetter__("c", function() { return 3 });
shouldBe("props(a)", "'a,b,d,e,c'");
debug("");