| Makes sure that assigning to a DOM property directly on the prototype throws a TypeError. |
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| On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". |
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| PASS document.prototype.oncopy = "fail" threw exception TypeError: undefined is not an object (evaluating 'document.prototype.oncopy = "fail"'). |
| PASS HTMLElement.prototype.innerText = "fail" threw exception TypeError: The HTMLElement.innerText setter can only be used on instances of HTMLElement. |
| PASS successfullyParsed is true |
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| TEST COMPLETE |
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