Bug 1862371 [wpt PR 16244] - HTML: Test that <details open> fires the…

… event even from the parser., a=testonly

Automatic update from web-platform-tests
HTML: Test that <details open> fires the event even from the parser.

whatwg/html#4500

--

wpt-commits: 06854ec7854c9061b84a8d675ff6fb8f0dcd08fc
wpt-pr: 16244

UltraBlame original commit: 93d1a7cfc9b50da825cb82bd72fabbd30218c41f

testing/web-platform/tests/html/semantics/interactive-elements/the-details-element/toggleEvent.html

@@ -1837,6 +1837,77 @@
 0
 )
 ;
+async_test
+(
+function
+(
+t
+)
+{
+new
+DOMParser
+(
+)
+.
+parseFromString
+(
+"
+<
+details
+open
+>
+"
+"
+text
+/
+html
+"
+)
+.
+querySelector
+(
+"
+details
+"
+)
+.
+ontoggle
+=
+t
+.
+step_func_done
+(
+function
+(
+e
+)
+{
+assert_true
+(
+e
+.
+target
+.
+open
+)
+;
+}
+)
+;
+}
+"
+Setting
+open
+from
+the
+parser
+fires
+a
+toggle
+event
+"
+)
+;
 <
 /
 script