xref: /external/chromium_org/v8/test/mjsunit/regress/regress-720.js

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// This regression test is used to ensure that Object.defineProperty
// keeps the existing value of the writable flag if none is given
// in the provided descriptor.
// See: http://code.google.com/p/v8/issues/detail?id=720

var o = {x: 10};
Object.defineProperty(o, "x", {value: 5});
var desc = Object.getOwnPropertyDescriptor(o, "x");
assertTrue(desc["writable"]);