| Tests parameters of document.createTreeWalker() API. |
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| On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". |
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| No parameters |
| PASS document.createTreeWalker() threw exception TypeError: Not enough arguments. |
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| Null root node |
| PASS document.createTreeWalker(null) threw exception TypeError: Argument 1 ('root') to Document.createTreeWalker must be an instance of Node. |
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| Default parameters |
| walker = document.createTreeWalker(document) |
| PASS walker.root is document |
| PASS walker.currentNode is document |
| PASS walker.whatToShow is 0xFFFFFFFF |
| PASS walker.filter is null |
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| Passing null for optional parameters |
| walker = document.createTreeWalker(document, null, null) |
| PASS walker.root is document |
| PASS walker.currentNode is document |
| PASS walker.whatToShow is 0 |
| PASS walker.filter is null |
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| Passing undefined for optional parameters |
| walker = document.createTreeWalker(document, undefined, undefined) |
| PASS walker.root is document |
| PASS walker.currentNode is document |
| PASS walker.whatToShow is 0xFFFFFFFF |
| PASS walker.filter is null |
| PASS successfullyParsed is true |
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| TEST COMPLETE |
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