Bug 1513178 [wpt PR 14455] - Encoding: make it clear sniffing for UTF…

…-8 is not acceptable, a=testonly

Automatic update from web-platform-tests
Encoding: make it clear sniffing for UTF-8 is not acceptable

See whatwg/encoding#68 for background.

--

wpt-commits: 305ff11b190e7e2bec120a27083f4ba43d6d976e
wpt-pr: 14455

UltraBlame original commit: fc2cf66fe6fe7f880365058628d3a5b3f2c657fb

testing/web-platform/tests/encoding/sniffing.html

@@ -0,0 +1,137 @@
+<
+!
+doctype
+html
+>
+<
+script
+src
+=
+/
+resources
+/
+testharness
+.
+js
+>
+<
+/
+script
+>
+<
+script
+src
+=
+/
+resources
+/
+testharnessreport
+.
+js
+>
+<
+/
+script
+>
+<
+title
+>
+No
+(
+UTF
+-
+8
+)
+sniffing
+allowed
+<
+/
+title
+>
+<
+div
+id
+=
+log
+>
+<
+/
+div
+>
+<
+div
+id
+=
+content
+>
+Hello
+World
+!
+<
+/
+div
+>
+<
+script
+>
+test
+(
+(
+)
+=
+>
+{
+assert_equals
+(
+document
+.
+getElementById
+(
+"
+content
+"
+)
+.
+textContent
+"
+\
+u00C2
+\
+u20AC
+\
+u00C2
+\
+u20AC
+Hello
+World
+!
+\
+u00C2
+\
+u20AC
+\
+u00C2
+\
+u20AC
+"
+)
+;
+assert_equals
+(
+document
+.
+characterSet
+"
+windows
+-
+1252
+"
+)
+;
+}
+)
+;
+<
+/
+script
+>