Bug 1990871 [wpt PR 55066] - Expose navigation.transition.to, a=testonly

Automatic update from web-platform-tests
Expose navigation.transition.to

This exposes the destination of an ongoing navigation.

Spec PR: whatwg/html#11692
I2P: https://groups.google.com/a/chromium.org/d/msgid/blink-dev/68d4ff4d.2b0a0220.29ae18.0091.GAE%40google.com

R=japhetchromium.org

Bug: 447171238
Change-Id: I1d2fbb7c0b7f2656ca4392be4d1beac34d9012ac
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6982944
Reviewed-by: Nate Chapin <japhetchromium.org>
Commit-Queue: Noam Rosenthal <nrosenthalgoogle.com>
Cr-Commit-Position: refs/heads/main{#1520724}

--

wpt-commits: 2688294120cb74f80bdd9959e8f6bcb8c731c98f
wpt-pr: 55066

UltraBlame original commit: afab78513b2fbac59a141ab3f09c4d0239be15f5

Author: marco-c

testing/web-platform/tests/navigation-api/ordering-and-transition/transition-to.tentative.html

@@ -0,0 +1,323 @@
+<
+!
+doctype
+html
+>
+<
+script
+src
+=
+"
+/
+resources
+/
+testharness
+.
+js
+"
+>
+<
+/
+script
+>
+<
+script
+src
+=
+"
+/
+resources
+/
+testharnessreport
+.
+js
+"
+>
+<
+/
+script
+>
+<
+script
+>
+promise_test
+(
+async
+(
+t
+)
+=
+>
+{
+/
+/
+Wait
+for
+after
+the
+load
+event
+so
+that
+the
+navigation
+doesn
+'
+t
+get
+converted
+/
+/
+into
+a
+replace
+navigation
+.
+await
+new
+Promise
+(
+r
+=
+>
+window
+.
+onload
+=
+(
+)
+=
+>
+t
+.
+step_timeout
+(
+r
+0
+)
+)
+;
+const
+precommit
+=
+Promise
+.
+withResolvers
+(
+)
+;
+const
+handler
+=
+Promise
+.
+withResolvers
+(
+)
+;
+const
+handler_done
+=
+Promise
+.
+withResolvers
+(
+)
+;
+const
+commit
+=
+Promise
+.
+withResolvers
+(
+)
+;
+navigation
+.
+addEventListener
+(
+"
+navigate
+"
+e
+=
+>
+{
+e
+.
+intercept
+(
+{
+async
+precommitHandler
+(
+)
+{
+precommit
+.
+resolve
+(
+e
+)
+;
+await
+commit
+.
+promise
+;
+}
+async
+handler
+(
+)
+{
+handler
+.
+resolve
+(
+)
+;
+await
+handler_done
+.
+promise
+;
+}
+}
+)
+;
+}
+)
+;
+assert_equals
+(
+navigation
+.
+transition
+null
+)
+;
+navigation
+.
+navigate
+(
+"
+?
+next
+"
+)
+;
+const
+navigate_event
+=
+await
+precommit
+.
+promise
+;
+const
+old_entry
+=
+navigation
+.
+currentEntry
+;
+assert_equals
+(
+navigation
+.
+transition
+.
+from
+old_entry
+)
+;
+assert_equals
+(
+navigation
+.
+transition
+.
+to
+navigate_event
+.
+destination
+)
+;
+commit
+.
+resolve
+(
+)
+;
+await
+handler
+.
+promise
+;
+assert_equals
+(
+navigation
+.
+transition
+.
+from
+old_entry
+)
+;
+assert_equals
+(
+navigation
+.
+transition
+.
+to
+navigate_event
+.
+destination
+)
+;
+assert_equals
+(
+navigation
+.
+transition
+.
+to
+.
+url
+navigation
+.
+currentEntry
+.
+url
+)
+;
+handler_done
+.
+resolve
+(
+)
+;
+}
+"
+navigation
+.
+transition
+.
+to
+matches
+the
+navigate
+event
+'
+s
+destination
+"
+)
+;
+<
+/
+script
+>