Bug 1534801 [wpt PR 15740] - Add tests for 'form-associated custom el…

…ements', a=testonly

Automatic update from web-platform-tests
Add tests for form-associated custom elements

This is for WICG/webcomponents#187.

Specification PR: whatwg/html#4383.
--

wp5At-commits: 3ccd79e32ced5ddab58f52e79f982d2ebfc7f98c
wpt-pr: 15740

UltraBlame original commit: 10764d9717ef7db00aa99d016a50f282e0d9d7b1

testing/web-platform/tests/custom-elements/form-associated/ElementInternals-NotSupportedError.html

@@ -0,0 +1,259 @@
+<
+!
+DOCTYPE
+html
+>
+<
+body
+>
+<
+script
+src
+=
+"
+/
+resources
+/
+testharness
+.
+js
+"
+>
+<
+/
+script
+>
+<
+script
+src
+=
+"
+/
+resources
+/
+testharnessreport
+.
+js
+"
+>
+<
+/
+script
+>
+<
+script
+>
+test
+(
+(
+)
+=
+>
+{
+class
+NotFormAssociatedElement
+extends
+HTMLElement
+{
+}
+customElements
+.
+define
+(
+'
+my
+-
+element1
+'
+NotFormAssociatedElement
+)
+;
+const
+element
+=
+new
+NotFormAssociatedElement
+(
+)
+;
+const
+i
+=
+element
+.
+attachInternals
+(
+)
+;
+assert_throws
+(
+'
+NotSupportedError
+'
+(
+)
+=
+>
+i
+.
+setFormValue
+(
+'
+'
+)
+)
+;
+assert_throws
+(
+'
+NotSupportedError
+'
+(
+)
+=
+>
+i
+.
+form
+)
+;
+assert_throws
+(
+'
+NotSupportedError
+'
+(
+)
+=
+>
+i
+.
+setValidity
+(
+{
+}
+)
+)
+;
+assert_throws
+(
+'
+NotSupportedError
+'
+(
+)
+=
+>
+i
+.
+willValidate
+)
+;
+assert_throws
+(
+'
+NotSupportedError
+'
+(
+)
+=
+>
+i
+.
+validity
+)
+;
+assert_throws
+(
+'
+NotSupportedError
+'
+(
+)
+=
+>
+i
+.
+validationMessage
+)
+;
+assert_throws
+(
+'
+NotSupportedError
+'
+(
+)
+=
+>
+i
+.
+checkValidity
+(
+)
+)
+;
+assert_throws
+(
+'
+NotSupportedError
+'
+(
+)
+=
+>
+i
+.
+reportValidity
+(
+)
+)
+;
+assert_throws
+(
+'
+NotSupportedError
+'
+(
+)
+=
+>
+i
+.
+labels
+)
+;
+}
+'
+Form
+-
+related
+operations
+and
+attributes
+should
+throw
+NotSupportedErrors
+'
++
+'
+for
+non
+-
+form
+-
+associated
+custom
+elements
+.
+'
+)
+;
+<
+/
+script
+>
+<
+/
+body
+>