| Test the handling of invalid arguments in canvas toBlob(). |
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| On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". |
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| PASS canvas.toBlob(); threw exception TypeError: Failed to execute 'toBlob' on 'HTMLCanvasElement': 1 argument required, but only 0 present.. |
| PASS canvas.toBlob(null); threw exception TypeError: Failed to execute 'toBlob' on 'HTMLCanvasElement': The callback provided as parameter 1 is not a function.. |
| PASS canvas.toBlob(undefined); threw exception TypeError: Failed to execute 'toBlob' on 'HTMLCanvasElement': The callback provided as parameter 1 is not a function.. |
| PASS canvas.toBlob(function() {}); did not throw exception. |
| PASS canvas.toBlob(function(blob) {}, 'image/jpeg', 500) did not throw exception. |
| PASS successfullyParsed is true |
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| TEST COMPLETE |
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