[Webkit-unassigned] [Bug 202940] New: REGRESSION: [ Windows ] Layout Test editing/async-clipboard/clipboard-interfaces.html is failing

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=202940

            Bug ID: 202940
           Summary: REGRESSION: [ Windows ] Layout Test
                    editing/async-clipboard/clipboard-interfaces.html is
                    failing
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Tools / Tests
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: tsavell at apple.com

The following layout test is failing on Win10

editing/async-clipboard/clipboard-interfaces.html

Probable cause:

This started with this build: https://build.webkit.org/builders/Apple%20Win%2010%20Debug%20(Tests)/builds/2924

Flakiness Dashboard:

https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=editing%2Fasync-clipboard%2Fclipboard-interfaces.html

Diff:
--- /home/buildbot/worker/win10-release-tests/build/layout-test-results/editing/async-clipboard/clipboard-interfaces-expected.txt
+++ /home/buildbot/worker/win10-release-tests/build/layout-test-results/editing/async-clipboard/clipboard-interfaces-actual.txt
@@ -5,47 +5,52 @@


 Testing Clipboard:
-PASS Clipboard instanceof Function is true
-PASS typeof Clipboard is "function"
-PASS navigator.clipboard instanceof Clipboard is true
-PASS Object.getPrototypeOf(navigator.clipboard) === Clipboard.prototype is true
-PASS Clipboard.prototype.readText instanceof Function is true
-PASS Clipboard.prototype.writeText instanceof Function is true
-PASS Clipboard.prototype.read instanceof Function is true
-PASS Clipboard.prototype.write instanceof Function is true
-PASS Clipboard() threw exception TypeError: Illegal constructor.
-PASS new Clipboard() threw exception TypeError: function is not a constructor (evaluating 'new Clipboard()').
-PASS Clipboard.toString() is "function Clipboard() {\n    [native code]\n}"
-PASS navigator.clipboard.toString() is "[object Clipboard]"
-PASS navigator.clipboard.writeText('foo') instanceof Promise is true
-PASS navigator.clipboard.write([ ]) instanceof Promise is true
-PASS navigator.clipboard.read() instanceof Promise is true
-PASS navigator.clipboard.readText() instanceof Promise is true
-PASS navigator.clipboard.write() rejected with TypeError: Not enough arguments
-PASS navigator.clipboard.writeText() rejected with TypeError: Not enough arguments
-PASS navigator.clipboard.write('foo') rejected with TypeError: Value is not a sequence
-PASS navigator.clipboard.write([1, 2, 3]) rejected with TypeError: Type error
-PASS navigator.clipboard.write(new ClipboardItem({ })) rejected with TypeError: Type error
+FAIL Clipboard instanceof Function should be true. Threw exception ReferenceError: Can't find variable: Clipboard
+FAIL typeof Clipboard should be function. Was undefined.
+FAIL navigator.clipboard instanceof Clipboard should be true. Threw exception ReferenceError: Can't find variable: Clipboard
+FAIL Object.getPrototypeOf(navigator.clipboard) === Clipboard.prototype should be true. Threw exception TypeError: undefined is not an object (evaluating 'Object.getPrototypeOf(navigator.clipboard)')
+FAIL Clipboard.prototype.readText instanceof Function should be true. Threw exception ReferenceError: Can't find variable: Clipboard
+FAIL Clipboard.prototype.writeText instanceof Function should be true. Threw exception ReferenceError: Can't find variable: Clipboard
+FAIL Clipboard.prototype.read instanceof Function should be true. Threw exception ReferenceError: Can't find variable: Clipboard
+FAIL Clipboard.prototype.write instanceof Function should be true. Threw exception ReferenceError: Can't find variable: Clipboard
+PASS Clipboard() threw exception ReferenceError: Can't find variable: Clipboard.
+PASS new Clipboard() threw exception ReferenceError: Can't find variable: Clipboard.
+FAIL Clipboard.toString() should be function Clipboard() {
+    [native code]
+}. Threw exception ReferenceError: Can't find variable: Clipboard
+FAIL navigator.clipboard.toString() should be [object Clipboard]. Threw exception TypeError: undefined is not an object (evaluating 'navigator.clipboard.toString')
+FAIL navigator.clipboard.writeText('foo') instanceof Promise should be true. Threw exception TypeError: undefined is not an object (evaluating 'navigator.clipboard.writeText')
+FAIL navigator.clipboard.write([ ]) instanceof Promise should be true. Threw exception TypeError: undefined is not an object (evaluating 'navigator.clipboard.write')
+FAIL navigator.clipboard.read() instanceof Promise should be true. Threw exception TypeError: undefined is not an object (evaluating 'navigator.clipboard.read')
+FAIL navigator.clipboard.readText() instanceof Promise should be true. Threw exception TypeError: undefined is not an object (evaluating 'navigator.clipboard.readText')
+PASS navigator.clipboard.write() rejected with TypeError: undefined is not an object (evaluating 'navigator.clipboard.write')
+PASS navigator.clipboard.writeText() rejected with TypeError: undefined is not an object (evaluating 'navigator.clipboard.writeText')
+PASS navigator.clipboard.write('foo') rejected with TypeError: undefined is not an object (evaluating 'navigator.clipboard.write')
+PASS navigator.clipboard.write([1, 2, 3]) rejected with TypeError: undefined is not an object (evaluating 'navigator.clipboard.write')
+PASS navigator.clipboard.write(new ClipboardItem({ })) rejected with TypeError: undefined is not an object (evaluating 'navigator.clipboard.write')

 Testing ClipboardItem:
-PASS ClipboardItem instanceof Function is true
-PASS typeof ClipboardItem is "function"
-PASS ClipboardItem.prototype.getType instanceof Function is true
-PASS ClipboardItem() threw exception TypeError: Constructor requires 'new' operator.
-PASS new ClipboardItem() threw exception TypeError: Not enough arguments.
-PASS new ClipboardItem('foo') threw exception TypeError: Type error.
-PASS new ClipboardItem({ }) instanceof ClipboardItem is true
-PASS Object.getPrototypeOf(new ClipboardItem({ })) === ClipboardItem.prototype is true
-PASS new ClipboardItem({ }).types instanceof Array is true
-PASS ClipboardItem.toString() is "function ClipboardItem() {\n    [native code]\n}"
-PASS new ClipboardItem({ }).toString() is "[object ClipboardItem]"
-PASS new ClipboardItem({ }, { foo: 'attachment' }).presentationStyle is "unspecified"
-PASS new ClipboardItem({ }, { presentationStyle: 'AttaCHmenT' }).presentationStyle threw exception TypeError: Type error.
-PASS new ClipboardItem({ }, { presentationStyle: 'unspecified' }).presentationStyle is "unspecified"
-PASS new ClipboardItem({ }, { presentationStyle: 'attachment' }).presentationStyle is "attachment"
-PASS new ClipboardItem({ }, { presentationStyle: 'inline' }).presentationStyle is "inline"
-PASS new ClipboardItem({ }, 'inline') threw exception TypeError: Type error.
+FAIL ClipboardItem instanceof Function should be true. Threw exception ReferenceError: Can't find variable: ClipboardItem
+FAIL typeof ClipboardItem should be function. Was undefined.
+FAIL ClipboardItem.prototype.getType instanceof Function should be true. Threw exception ReferenceError: Can't find variable: ClipboardItem
+PASS ClipboardItem() threw exception ReferenceError: Can't find variable: ClipboardItem.
+PASS new ClipboardItem() threw exception ReferenceError: Can't find variable: ClipboardItem.
+PASS new ClipboardItem('foo') threw exception ReferenceError: Can't find variable: ClipboardItem.
+FAIL new ClipboardItem({ }) instanceof ClipboardItem should be true. Threw exception ReferenceError: Can't find variable: ClipboardItem
+FAIL Object.getPrototypeOf(new ClipboardItem({ })) === ClipboardItem.prototype should be true. Threw exception ReferenceError: Can't find variable: ClipboardItem
+FAIL new ClipboardItem({ }).types instanceof Array should be true. Threw exception ReferenceError: Can't find variable: ClipboardItem
+FAIL ClipboardItem.toString() should be function ClipboardItem() {
+    [native code]
+}. Threw exception ReferenceError: Can't find variable: ClipboardItem
+FAIL new ClipboardItem({ }).toString() should be [object ClipboardItem]. Threw exception ReferenceError: Can't find variable: ClipboardItem
+FAIL new ClipboardItem({ }, { foo: 'attachment' }).presentationStyle should be unspecified. Threw exception ReferenceError: Can't find variable: ClipboardItem
+PASS new ClipboardItem({ }, { presentationStyle: 'AttaCHmenT' }).presentationStyle threw exception ReferenceError: Can't find variable: ClipboardItem.
+FAIL new ClipboardItem({ }, { presentationStyle: 'unspecified' }).presentationStyle should be unspecified. Threw exception ReferenceError: Can't find variable: ClipboardItem
+FAIL new ClipboardItem({ }, { presentationStyle: 'attachment' }).presentationStyle should be attachment. Threw exception ReferenceError: Can't find variable: ClipboardItem
+FAIL new ClipboardItem({ }, { presentationStyle: 'inline' }).presentationStyle should be inline. Threw exception ReferenceError: Can't find variable: ClipboardItem
+PASS new ClipboardItem({ }, 'inline') threw exception ReferenceError: Can't find variable: ClipboardItem.
 PASS successfullyParsed is true
+Some tests failed.

 TEST COMPLETE

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