panic("chacha20poly1305: invalid buffer overlap")
	}

	var polyKey [32]byte
	s, _ := chacha20.NewUnauthenticatedCipher(c.key[:], nonce)
	s.XORKeyStream(polyKey[:], polyKey[:])
	s.SetCounter(1) // set the counter to 1, skipping 32 bytes
	s.XORKeyStream(ciphertext, plaintext)

	p := poly1305.New(&polyKey)
	writeWithPadding(p, additionalData)
	writeWithPadding(p, ciphertext)

    private String value = "COVEREDRATIO";
    private BigDecimal minimum;
    private BigDecimal maximum;

    @Override
    public String getCounter() {
        return counter;
    }

    @Override
    public void setCounter(String counter) {
        this.counter = counter;
    }

    @Override
    public String getValue() {
        return value;
    }

    @Override

     * Valid values are INSTRUCTION, LINE, BRANCH, COMPLEXITY, METHOD and CLASS. Defaults to INSTRUCTION.
     */
    @Input
    String getCounter();

    /**
     * Sets the counter that applies to the limit.
     *
     * @param counter Counter
     */
    void setCounter(String counter);

    /**
     * The value that applies to the limit as defined by

	d = bits.RotateLeft32(d, 8)
	c += d
	b ^= c
	b = bits.RotateLeft32(b, 7)
	return a, b, c, d
}

// SetCounter sets the Cipher counter. The next invocation of XORKeyStream will
// behave as if (64 * counter) bytes had been encrypted so far.
//
// To prevent accidental counter reuse, SetCounter panics if counter is less
// than the current value.
//
// Note that the execution time of XORKeyStream is not independent of the

            abstract class CountRecorder implements TransformAction<Parameters> {
                interface Parameters extends TransformParameters{
                    @Input
                    Counter getCounter()
                    void setCounter(Counter counter)
                }

                @InputArtifact
                abstract Provider<FileSystemLocation> getInputArtifact()

                CountRecorder() {

}

func TestNetworkGetDataFailures(t *testing.T) {
	netCounter := newFakedNetworkCounters(true)

	_, err := netCounter.getData()
	expectedMsg := "Expected getDataList error."
	if err == nil || err.Error() != expectedMsg {
		t.Fatalf("expected error message `%s` but got `%v`", expectedMsg, err)
	}

	_, err = netCounter.getData()
	netCounter.packetsReceivedPerSecondCounter.(*fakePerfCounterImpl).raiseError = false

func (plugin *iscsiPlugin) NewDeviceMounter() (volume.DeviceMounter, error) {
	return plugin.NewAttacher()
}

func (plugin *iscsiPlugin) GetDeviceMountRefs(deviceMountPath string) ([]string, error) {
	mounter := plugin.host.GetMounter(iscsiPluginName)
	return mounter.GetMountRefs(deviceMountPath)
}

func (attacher *iscsiAttacher) Attach(spec *volume.Spec, nodeName types.NodeName) (string, error) {
	return "", nil
}

func (plugin *fcPlugin) NewDeviceMounter() (volume.DeviceMounter, error) {
	return plugin.NewAttacher()
}

func (plugin *fcPlugin) GetDeviceMountRefs(deviceMountPath string) ([]string, error) {
	mounter := plugin.host.GetMounter(plugin.GetPluginName())
	return mounter.GetMountRefs(deviceMountPath)
}

func (attacher *fcAttacher) Attach(spec *volume.Spec, nodeName types.NodeName) (string, error) {
	return "", nil
}

func (a *flexVolumeAttacher) MountDevice(spec *volume.Spec, devicePath string, deviceMountPath string, _ volume.DeviceMounterArgs) error {
	// Mount only once.
	alreadyMounted, err := prepareForMount(a.plugin.host.GetMounter(a.plugin.GetPluginName()), deviceMountPath)
	if err != nil {
		return err
	}
	if alreadyMounted {
		return nil
	}

	call := a.plugin.NewDriverCall(mountDeviceCmd)
	call.Append(deviceMountPath)

func (plugin *flexVolumePlugin) NewMounter(spec *volume.Spec, pod *api.Pod, _ volume.VolumeOptions) (volume.Mounter, error) {
	return plugin.newMounterInternal(spec, pod, plugin.host.GetMounter(plugin.GetPluginName()), plugin.runner)
}

// newMounterInternal is the internal mounter routine to build the volume.