/// <summary>
/// Produce <see cref="DeviceStatusFlags"/> containing updated <see cref="SaveMenuPositionFlags"/> for a given <see cref="Device"/>.
/// </summary>
/// <param name="device">The <see cref="Device"/> whose updated flags are desired.</param>
/// <param name="newSaveMenuPositionFlags">New <see cref="SaveMenuPositionFlags"/> to apply to <paramref name="device"/>.</param>
/// <returns>A new set of <see cref="DeviceStatusFlags"/> with updated SaveMenuPositionFlags for <paramref name="device"/>.</returns>
internal static DeviceStatusFlags UpdateStatusFlags(this Device device, SaveMenuPositionFlags newSaveMenuPositionFlags)
{
var deviceStatusFlags = device.DeviceStatusFlags & ~DeviceStatusFlags.SaveMenuPositionMask;
deviceStatusFlags |= newSaveMenuPositionFlags.ToDeviceStatusFlagsLo();
return(deviceStatusFlags);
}
/// <summary>
/// Converts <see cref="SaveMenuPositionFlags"/> into a display string.
/// </summary>
/// <param name="saveMenuPosition">The flags to convert.</param>
/// <returns>A display string for the value.</returns>
internal static string ToDisplayString(this SaveMenuPositionFlags saveMenuPosition)
{
return(ModeToStringsTable[saveMenuPosition]);
}
/// <summary>
/// Places save menu position flags into the more generic <see cref="DeviceStatusFlagsLo"/> bit array.
/// </summary>
/// <param name="saveMenuPosition">The <see cref="SaveMenuPositionFlags"/> to convert.</param>
/// <returns>The flags placed in a <see cref="DeviceStatusFlagsLo"/> bit array.</returns>
internal static DeviceStatusFlagsLo ToDeviceStatusFlagsLo(this SaveMenuPositionFlags saveMenuPosition)
{
var deviceStatusFlags = (DeviceStatusFlagsLo)((ulong)saveMenuPosition << DeviceStatusFlagsLoHelpers.SaveMenuPositionBitsOffset);
return(deviceStatusFlags);
}
public void DeviceStatusFlagsLo_ToSaveMenuPositionFlags_ReturnsExpectedFlags(DeviceStatusFlagsLo statusFlagsLo, SaveMenuPositionFlags expectedSaveMenuPositionFlags)
{
var actualSaveMenuPositionFlags = statusFlagsLo.ToSaveMenuPositionFlags();
// NOTE: Implementation coerces 'reserved' to during session only'. Replicate this here.
if (expectedSaveMenuPositionFlags == SaveMenuPositionFlags.Reserved)
{
expectedSaveMenuPositionFlags = SaveMenuPositionFlags.DuringSessionOnly;
}
Assert.Equal(expectedSaveMenuPositionFlags, actualSaveMenuPositionFlags);
}
