| Test addEventListener() and removeEventListener() fail silently if arguments are missing. |
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| On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". |
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| PASS new XMLHttpRequest().addEventListener("foo") threw exception TypeError: Failed to execute 'addEventListener' on 'EventTarget': 2 arguments required, but only 1 present.. |
| PASS new XMLHttpRequest().removeEventListener("bar") threw exception TypeError: Failed to execute 'removeEventListener' on 'EventTarget': 2 arguments required, but only 1 present.. |
| PASS new XMLHttpRequest().addEventListener() threw exception TypeError: Failed to execute 'addEventListener' on 'EventTarget': 2 arguments required, but only 0 present.. |
| PASS new XMLHttpRequest().removeEventListener() threw exception TypeError: Failed to execute 'removeEventListener' on 'EventTarget': 2 arguments required, but only 0 present.. |
| PASS successfullyParsed is true |
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| TEST COMPLETE |
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