| Test that appropriate exceptions are thrown when adding children to a ProcessingInstruction. |
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| On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". |
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| PASS pi.appendChild(null) threw exception TypeError: Argument 1 ('node') to Node.appendChild must be an instance of Node. |
| PASS pi.appendChild(div) threw exception Error: HierarchyRequestError: DOM Exception 3. |
| PASS pi.appendChild(textNode) threw exception Error: HierarchyRequestError: DOM Exception 3. |
| PASS successfullyParsed is true |
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| TEST COMPLETE |
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