Bug 1850635 [wpt PR 41704] - Implement parseHTMLUnsafe and setHTMLUns…

…afe, a=testonly

Automatic update from web-platform-tests
Implement parseHTMLUnsafe and setHTMLUnsafe

I am speccing this here: whatwg/html#9538

Bug: 1478969
Change-Id: Ie55827cebdf349aadae13fbf1086baf6177bbff2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4824679
Reviewed-by: Mason Freed <masonfchromium.org>
Commit-Queue: Joey Arhar <jarharchromium.org>
Cr-Commit-Position: refs/heads/main{#1210412}

--

wpt-commits: 17743f761d9f8bd3954bc68c60b88d251f9a2239
wpt-pr: 41704

UltraBlame original commit: 27a50ba5472ea3cd6771918695f14558391747fd

testing/web-platform/tests/html/webappapis/dynamic-markup-insertion/html-unsafe-methods/Document-parseHTMLUnsafe-encoding.tentative.html

@@ -0,0 +1,346 @@
+<
+!
+DOCTYPE
+html
+>
+<
+meta
+charset
+=
+"
+windows
+-
+1252
+"
+>
+<
+!
+-
+-
+intentional
+to
+make
+sure
+the
+results
+are
+UTF
+-
+8
+anyway
+-
+-
+>
+<
+link
+rel
+=
+author
+href
+=
+"
+mailto
+:
+jarhar
+chromium
+.
+org
+"
+>
+<
+link
+rel
+=
+help
+href
+=
+"
+https
+:
+/
+/
+github
+.
+com
+/
+whatwg
+/
+html
+/
+pull
+/
+9538
+"
+>
+<
+script
+src
+=
+"
+/
+resources
+/
+testharness
+.
+js
+"
+>
+<
+/
+script
+>
+<
+script
+src
+=
+"
+/
+resources
+/
+testharnessreport
+.
+js
+"
+>
+<
+/
+script
+>
+<
+!
+-
+-
+This
+was
+adapted
+from
+DOMParser
+-
+parseFromString
+-
+encoding
+.
+html
+-
+-
+>
+<
+script
+>
+function
+assertEncoding
+(
+doc
+)
+{
+assert_equals
+(
+doc
+.
+charset
+"
+UTF
+-
+8
+"
+"
+document
+.
+charset
+"
+)
+;
+assert_equals
+(
+doc
+.
+characterSet
+"
+UTF
+-
+8
+"
+"
+document
+.
+characterSet
+"
+)
+;
+assert_equals
+(
+doc
+.
+inputEncoding
+"
+UTF
+-
+8
+"
+"
+document
+.
+characterSet
+"
+)
+;
+}
+setup
+(
+(
+)
+=
+>
+{
+assert_equals
+(
+document
+.
+characterSet
+"
+windows
+-
+1252
+"
+"
+the
+meta
+charset
+must
+be
+in
+effect
+making
+the
+main
+document
+windows
+-
+1252
+"
+)
+;
+}
+)
+;
+test
+(
+(
+)
+=
+>
+{
+const
+doc
+=
+Document
+.
+parseHTMLUnsafe
+(
+'
+'
+)
+;
+assertEncoding
+(
+doc
+)
+;
+}
+'
+Parse
+empty
+string
+'
+)
+;
+test
+(
+(
+)
+=
+>
+{
+const
+doc
+=
+Document
+.
+parseHTMLUnsafe
+(
+<
+meta
+charset
+=
+"
+latin2
+"
+>
+)
+;
+assertEncoding
+(
+doc
+)
+;
+}
+"
+meta
+charset
+latin2
+"
+)
+;
+test
+(
+(
+)
+=
+>
+{
+const
+doc
+=
+Document
+.
+parseHTMLUnsafe
+(
+<
+?
+xml
+version
+=
+"
+1
+.
+0
+"
+encoding
+=
+"
+latin2
+"
+?
+>
+<
+x
+/
+>
+)
+;
+assertEncoding
+(
+doc
+)
+;
+}
+"
+XML
+declaration
+"
+)
+;
+<
+/
+script
+>