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4 open connections try to setVersion at the same time. 3 connections eventually close, allowing 1 setVersion call to proceed.
On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
PASS IndexedDB == null is false
IndexedDB.open('set-version-queue')
IndexedDB.open('set-version-queue')
IndexedDB.open('set-version-queue')
IndexedDB.open('set-version-queue')
connections[0].setVersion('version 0')
connections[1].setVersion('version 1')
connections[2].setVersion('version 2')
connections[3].setVersion('version 3')
PASS event.version.length > 0 is true
connection[1] received versionChangeEvent: version 0
PASS event.version.length > 0 is true
connection[2] received versionChangeEvent: version 0
PASS event.version.length > 0 is true
connection[3] received versionChangeEvent: version 0
PASS connection[0] got blocked event
PASS event.version is "version 0"
Close the connection that received the block event:
connections[0].close()
Close another connection as well, to test 4.7.4-note:
connections[3].close()
blocked0fired = true
PASS event.version.length > 0 is true
connection[2] received versionChangeEvent: version 1
PASS connection[1] got blocked event
Ensure that this blocked event is in order:
PASS blocked0fired is true
PASS blocked2fired is false
PASS event.version.length > 0 is true
connection[1] received versionChangeEvent: version 2
PASS connection[2] got blocked event
PASS event.version is "version 2"
connections[2].close()
blocked2fired = true
PASS event.version.length > 0 is true
connection[1] received versionChangeEvent: version 3
PASS connection[3] got blocked event
Note: This means that a connection can receive a blocked event after its close() method has been called. Spec is silent on the issue and this is easiest to implement.
PASS event.version is "version 3"
PASS connection[0] got error event
PASS event.target.errorCode is 13
PASS event.target.webkitErrorMessage.length > 0 is true
Connection was closed before set version transaction was created
PASS connection[2] got error event
PASS event.target.errorCode is 13
PASS event.target.webkitErrorMessage.length > 0 is true
Connection was closed before set version transaction was created
PASS connection[3] got error event
PASS event.target.errorCode is 13
PASS event.target.webkitErrorMessage.length > 0 is true
Connection was closed before set version transaction was created
PASS connection[1] got into SetVersion
PASS successfullyParsed is true
TEST COMPLETE
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