Verify the use of IDBVersionChangeEventInit
On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
event = new IDBVersionChangeEvent('default')
PASS event instanceof IDBVersionChangeEvent is true
PASS event.type is "default"
PASS event.oldVersion is 0
PASS event.newVersion is null
PASS event.dataLoss is "none"
initEvent = {oldVersion: 123, newVersion: 456}
event = new IDBVersionChangeEvent('foo', initEvent)
PASS event instanceof IDBVersionChangeEvent is true
PASS event.type is "foo"
PASS event.oldVersion is initEvent.oldVersion
PASS event.newVersion is initEvent.newVersion
PASS event.dataLoss is "none"
initEvent = {oldVersion: 124, newVersion: 457, dataLoss: 'total'}
event = new IDBVersionChangeEvent('foo2', initEvent)
PASS event instanceof IDBVersionChangeEvent is true
PASS event.type is "foo2"
PASS event.oldVersion is initEvent.oldVersion
PASS event.newVersion is initEvent.newVersion
PASS event.dataLoss is initEvent.dataLoss
initEvent = {oldVersion: 'legacy', newVersion: null}
event = new IDBVersionChangeEvent('bar', initEvent)
PASS event instanceof IDBVersionChangeEvent is true
PASS event.type is "bar"
PASS event.oldVersion is 0
PASS event.newVersion is null
PASS event.dataLoss is "none"
PASS successfullyParsed is true
TEST COMPLETE