RUN(internals.initializeMockMediaSource())
RUN(mock = internals.registerMockCDM())
RUN(mock.supportedDataTypes = ["keyids"])
RUN(capabilities.initDataTypes = ["keyids"])
RUN(capabilities.videoCapabilities = [{ contentType: 'video/mock; codecs="mock"' }] )
RUN(promise = navigator.requestMediaKeySystemAccess("org.webkit.mock", [capabilities]))
Promise resolved OK

RUN(promise = mediaKeySystemAccess.createMediaKeys())
Promise resolved OK

Using an invalid initDataType string should reject.
RUN(mediaKeySession = mediaKeys.createSession("temporary"))
EXPECTED (typeof mediaKeySession == 'object') OK
RUN(promise = mediaKeySession.generateRequest("invalid", stringToUInt8Array("invalid")))
Promise rejected correctly OK

Re-using a failed mediaKeySession should reject.
RUN(kids = JSON.stringify({ kids: [ "MTIzNDU=" ] }))
RUN(promise = mediaKeySession.generateRequest("keyids", stringToUInt8Array(kids)))
Promise rejected correctly OK

Using a new mediaKeySession should resolve.
RUN(kids = JSON.stringify({ kids: [ "MTIzNDU=" ] }))
RUN(mediaKeySession = mediaKeys.createSession("temporary"))
RUN(promise = mediaKeySession.generateRequest("keyids", stringToUInt8Array(kids)))
Promise resolved OK

Using invalid initData should reject.
RUN(kids = JSON.stringify({ invalid: "invalid" }))
RUN(mediaKeySession = mediaKeys.createSession("temporary"))
RUN(promise = mediaKeySession.generateRequest("keyids", stringToUInt8Array(kids)))
Promise rejected correctly OK

Using initData with extraneous information should resolve.
RUN(kids = JSON.stringify({ kids: [ "MTIzNDU="], invalid: "invalid" }))
RUN(mediaKeySession = mediaKeys.createSession("temporary"))
RUN(promise = mediaKeySession.generateRequest("keyids", stringToUInt8Array(kids)))
Promise resolved OK

initData is encoded in base64url.
RUN(kids = JSON.stringify({ kids: [ "ig2FRSEF1BU1j-qPaObBkQ"] }))
RUN(mediaKeySession = mediaKeys.createSession("temporary"))
RUN(promise = mediaKeySession.generateRequest("keyids", stringToUInt8Array(kids)))
Promise resolved OK
END OF TEST