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Test history.push/replaceState() with no URL + #28826

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@domenic domenic commented May 4, 2021

See whatwg/html#6556.

@wpt-pr-bot wpt-pr-bot added the html label May 4, 2021
@wpt-pr-bot wpt-pr-bot requested review from annevk, foolip, jdm, jgraham and zqzhang May 4, 2021
domenic added a commit to whatwg/html that referenced this issue May 4, 2021
Closes #6556. In particular, reverts to only update the document's URL, and not the session history entry's URL, like it did before ae7cf0c. Now that they can mismatch, we need to audit the cases where this might be important, which leads to the following changes:

* Changes location.reload() to reload the current session history entry's URL, instead of the document's URL. This ensures that reload behavior is aligned with WebKit and Gecko, as tested by

* Changes history.pushState()/history.replaceState() with no URL argument to default to the document's URL, instead of the current session history's URL. This ensures that pushState()/replaceState() behavior is aligned with all engines, as tested by web-platform-tests/wpt#28826.

This also modernizes and makes a bit more precise the location.reload() method steps. The user-initiated reload steps remain vague; #6600 will tackle those.
annevk approved these changes May 5, 2021;
assert_equals(frame.contentDocument.URL, document.URL, "Precondition: the URL gets changed");

frame.contentWindow.history.pushState(null, "");
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@annevk annevk May 5, 2021

It took me a long time to realize that this passes null as URL. (I should maybe have read the commit message first.)

So the idea is that the fallback for pushState() is the document's URL.

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@domenic domenic May 5, 2021

To be clear, the third parameter is the URL, and it's not passed at all.

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@annevk annevk May 5, 2021

Right, but that defaults to null through IDL.

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4 participants