Bug 1580139 [wpt PR 18960] - MathML: test dynamic changes for on[even…

…t] attributes., a=testonly

Automatic update from web-platform-tests
MathML: test dynamic changes for on[event] attributes. (#18960)

* MathML: test dynamic changes for on[event] attributes.

See https://github.com/mathml-refresh/mathml/issues/83

* fix typo

--

wpt-commits: f581209f73e6234d7dfb8ee056f193407ee48b7e
wpt-pr: 18960

UltraBlame original commit: 3df1fcac81f96b8d7c8b7abed1f64849f6165551

testing/web-platform/tests/mathml/relations/html5-tree/clipboard-event-handlers.tentative.html

@@ -254,7 +254,7 @@
 "
 window
 .
-copyHappened
+copyHappened1
 =
 true
 "
@@ -263,7 +263,7 @@
 "
 window
 .
-cutHappened
+cutHappened1
 =
 true
 "
@@ -272,7 +272,7 @@
 "
 window
 .
-pasteHappened
+pasteHappened1
 =
 true
 "
@@ -457,11 +457,10 @@
 (
 window
 [
+{
 name
-+
-"
-Happened
-"
+}
+Happened1
 ]
 "
 Calling
@@ -494,6 +493,329 @@
 property
 )
 ;
+test
+(
+(
+)
+=
+>
+{
+const
+mathEl
+=
+document
+.
+createElementNS
+(
+"
+http
+:
+/
+/
+www
+.
+w3
+.
+org
+/
+1998
+/
+Math
+/
+MathML
+"
+"
+math
+"
+)
+;
+assert_equals
+(
+mathEl
+[
+handlerName
+]
+null
+The
+{
+handlerName
+}
+property
+must
+be
+null
+(
+no
+attribute
+)
+)
+;
+mathEl
+.
+setAttribute
+(
+handlerName
+window
+.
+{
+handlerName
+}
+Happened2
+=
+true
+;
+)
+;
+const
+compiledHandler
+=
+mathEl
+[
+handlerName
+]
+;
+assert_equals
+(
+typeof
+compiledHandler
+"
+function
+"
+The
+{
+handlerName
+}
+property
+must
+be
+a
+function
+(
+set
+attribute
+)
+)
+;
+compiledHandler
+(
+)
+;
+assert_true
+(
+window
+[
+{
+handlerName
+}
+Happened2
+]
+"
+Calling
+the
+handler
+must
+run
+the
+code
+(
+set
+attribute
+)
+"
+)
+;
+window
+[
+{
+handlerName
+}
+Happened2
+]
+=
+false
+;
+const
+clonedMathEl
+=
+mathEl
+.
+cloneNode
+(
+true
+)
+;
+const
+clonedCompiledHandler
+=
+clonedMathEl
+[
+handlerName
+]
+;
+assert_equals
+(
+typeof
+clonedCompiledHandler
+"
+function
+"
+The
+{
+handlerName
+}
+property
+must
+be
+a
+function
+(
+clone
+node
+)
+)
+;
+clonedCompiledHandler
+(
+)
+;
+assert_true
+(
+window
+[
+{
+handlerName
+}
+Happened2
+]
+"
+Calling
+the
+handler
+must
+run
+the
+code
+(
+clone
+node
+)
+"
+)
+;
+mathEl
+.
+setAttribute
+(
+handlerName
+window
+.
+{
+handlerName
+}
+Happened3
+=
+true
+;
+)
+;
+const
+newCompiledHandler
+=
+mathEl
+[
+handlerName
+]
+;
+assert_equals
+(
+typeof
+newCompiledHandler
+"
+function
+"
+The
+{
+handlerName
+}
+property
+must
+be
+a
+function
+(
+modify
+attribute
+)
+)
+;
+newCompiledHandler
+(
+)
+;
+assert_true
+(
+window
+[
+{
+handlerName
+}
+Happened3
+]
+"
+Calling
+the
+handler
+must
+run
+the
+code
+(
+modify
+attribute
+)
+"
+)
+;
+mathEl
+.
+removeAttribute
+(
+handlerName
+)
+;
+assert_equals
+(
+mathEl
+[
+handlerName
+]
+null
+The
+{
+handlerName
+}
+property
+must
+be
+null
+(
+remove
+attribute
+)
+)
+;
+}
+{
+handlerName
+}
+:
+dynamic
+changes
+on
+the
+attribute
+)
+;
 }
 EVENTS
 .