This tests copying plain text using dataTransfer.items. To manually test, click on "Copy text" and paste (Command+V on Mac Control+V elsewhere).

On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".


PASS clipboardData.items.length is 0
PASS clipboardData.setData("text/plain", "rock"); clipboardData.items.length is 1
PASS initialItem = clipboardData.items[0]; initialItem.kind is "string"
PASS initialItem.type is "text/plain"
PASS initialItem.getAsFile() is null
PASS initialItem.getAsString(checkContent(1, "rock")) is undefined
PASS clipboardData.items.add("paper", "text/plain") threw exception NotSupportedError: The operation is not supported..
PASS clipboardData.items[0] is initialItem
PASS clipboardData.clearData(); clipboardData.items.length is 0
PASS clipboardData.items.add("scissors", "text/plain"); clipboardData.items.length is 1
PASS clipboardData.items[0] is not initialItem
PASS initialItem.kind is "string"
PASS initialItem.type is ""
PASS initialItem.getAsFile() is null
PASS initialItem.getAsString(() => testFailed("getAsString should exit immeidately if item is disabled")) is undefined
PASS clipboardData.getData("text/plain") is "scissors"
PASS clipboardData.items[0].kind is "string"
PASS clipboardData.items[0].type is "text/plain"
PASS clipboardData.items[0].getAsFile() is null
PASS clipboardData.items[0].getAsString(checkContent(2, "scissors")) is undefined
PASS clipboardData.items.clear(); clipboardData.items.length is 0
PASS clipboardData.getData("text/plain") is ""
PASS clipboardData.items.add("WebKit", "text/plain"); clipboardData.items.length is 1
PASS clipboardData.items[0].kind is "string"
PASS clipboardData.items[0].type is "text/plain"
PASS clipboardData.items[0].getAsFile() is null
PASS clipboardData.items[0].getAsString(checkContent(3, "WebKit")) is undefined
PASS clipboardData.items.remove(1) threw exception IndexSizeError: The index is not in the allowed range..
PASS clipboardData.items.length is 1
PASS clipboardData.items.remove(0); clipboardData.items.length is 0
PASS clipboardData.getData("text/plain") is ""
PASS actualContent1 is "rock"
PASS actualContent2 is "scissors"
PASS actualContent3 is "WebKit"
PASS successfullyParsed is true

TEST COMPLETE