This is a testharness.js-based test.
PASS Test driver
PASS Partial interface Navigator: original interface defined
PASS Partial interface Navigator: member names are unique
PASS Navigator interface: attribute clipboard
PASS Navigator interface: navigator must inherit property "clipboard" with the proper type
PASS ClipboardEvent interface: existence and properties of interface object
PASS ClipboardEvent interface object length
PASS ClipboardEvent interface object name
PASS ClipboardEvent interface: existence and properties of interface prototype object
PASS ClipboardEvent interface: existence and properties of interface prototype object's "constructor" property
PASS ClipboardEvent interface: existence and properties of interface prototype object's @@unscopables property
PASS ClipboardEvent interface: attribute clipboardData
PASS ClipboardEvent must be primary interface of new ClipboardEvent("x")
PASS Stringification of new ClipboardEvent("x")
PASS ClipboardEvent interface: new ClipboardEvent("x") must inherit property "clipboardData" with the proper type
PASS Clipboard interface: existence and properties of interface object
PASS Clipboard interface object length
PASS Clipboard interface object name
PASS Clipboard interface: existence and properties of interface prototype object
PASS Clipboard interface: existence and properties of interface prototype object's "constructor" property
PASS Clipboard interface: existence and properties of interface prototype object's @@unscopables property
PASS Clipboard interface: operation read()
PASS Clipboard interface: operation readText()
PASS Clipboard interface: operation write(ClipboardItems)
PASS Clipboard interface: operation writeText(DOMString)
PASS Clipboard must be primary interface of navigator.clipboard
PASS Stringification of navigator.clipboard
PASS Clipboard interface: navigator.clipboard must inherit property "read()" with the proper type
PASS Clipboard interface: navigator.clipboard must inherit property "readText()" with the proper type
PASS Clipboard interface: navigator.clipboard must inherit property "write(ClipboardItems)" with the proper type
PASS Clipboard interface: calling write(ClipboardItems) on navigator.clipboard with too few arguments must throw TypeError
PASS Clipboard interface: navigator.clipboard must inherit property "writeText(DOMString)" with the proper type
PASS Clipboard interface: calling writeText(DOMString) on navigator.clipboard with too few arguments must throw TypeError
PASS ClipboardItem interface: existence and properties of interface object
PASS ClipboardItem interface object length
PASS ClipboardItem interface object name
PASS ClipboardItem interface: existence and properties of interface prototype object
PASS ClipboardItem interface: existence and properties of interface prototype object's "constructor" property
PASS ClipboardItem interface: existence and properties of interface prototype object's @@unscopables property
FAIL ClipboardItem interface: operation createDelayed(record<DOMString, ClipboardItemDelayedCallback>, optional ClipboardItemOptions) assert_own_property: interface object missing static operation expected property "createDelayed" missing
FAIL ClipboardItem interface: attribute presentationStyle assert_true: The prototype object must have a property "presentationStyle" expected true got false
FAIL ClipboardItem interface: attribute lastModified assert_true: The prototype object must have a property "lastModified" expected true got false
FAIL ClipboardItem interface: attribute delayed assert_true: The prototype object must have a property "delayed" expected true got false
PASS ClipboardItem interface: attribute types
PASS ClipboardItem interface: operation getType(DOMString)
Harness: the test ran to completion.