// Call startSpeedTest to start the speed test.
const trtcCloud = TRTCCloud.sharedInstance();
const param: TRTCSpeedTestParams = {
  expectedDownBandwidth: 10, // Expected downstream bandwidth (kbps, value ranges from 10 to 5000, no test when it is 0)
  expectedUpBandwidth: 10,   // Expected uplink bandwidth (kbps, value ranges from 10 to 5000, no test when it is 0).
  scene: 1,                  // 1: Delay test. 2: Delay and bandwidth test. 3: Online chorus testing.
  sdkAppId: 0,               // Application identifier
  userId: "",                // User identity
  userSig: "",               // User signature
  }
trtcCloud.startSpeedTest(param);
const onRtcListener = useCallback((type: TRTCCloudListener, params: any) => {
  if (type === TRTCCloudListener.onSpeedTestResult) {
     console.log('Speed test result:', params);
     setSpeedTestResult(params);
  }
}


// Return results through the onSpeedTestResult callback function
const trtcCloud = TRTCCloud.sharedInstance();
const onRtcListener = useCallback((type: TRTCCloudListener, params: any) => {
  if (type === TRTCCloudListener.onSpeedTestResult) {
     console.log('Speed test result:', params);
     setSpeedTestResult(params);
  }
}
trtcCloud.registerListener(onRtcListener);