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Add tentative test for what ".." on documentElement returns #10055



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gsnedders commented Mar 15, 2018

As far as I can tell, from both DOM Level 3 XPath and XPath 1.0, this is undefined. As far as the XPath data model is concerned, documentElement can have no parent, and DOM Level 3 XPath doesn't address this.

However, at least Chrome/Edge/Firefox/Safari all pass this test, so it seems like something we should test.

@wpt-pr-bot wpt-pr-bot requested review from deniak and zqzhang Mar 15, 2018

@gsnedders gsnedders requested a review from Ms2ger Mar 15, 2018

@gsnedders gsnedders force-pushed the gsnedders:xpath-documentElement-parent branch from d87a8ac to 0c63aee Mar 15, 2018


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w3c-bots commented Mar 15, 2018


Started: 2018-03-15 18:45:41
Finished: 2018-03-15 18:54:32

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Ms2ger approved these changes Mar 16, 2018

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gsnedders commented Mar 16, 2018

@Ms2ger writing that up makes me realise we need tests for root adjacent comments, PIs, and doctypes (esp. doctypes, given XPath has no notion of them).

@gsnedders gsnedders merged commit 5033883 into web-platform-tests:master Mar 16, 2018

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@gsnedders gsnedders deleted the gsnedders:xpath-documentElement-parent branch Mar 16, 2018

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