public void can_enable_disable_specific_bit()
{
// Arrange
var deviceState = 0;
var i2c = Substitute.For <II2c>();
i2c.When(x => x.WriteToDevice(Arg.Any <int>(), Arg.Any <byte>()))
.Do(x => deviceState = x.Arg <byte>());
var powerOutput = new InvertedPcfOutput(i2c);
// Act
powerOutput.SetState(BuildOutputDescriptor(1, "O1"), true); // 1111 1110
powerOutput.SetState(BuildOutputDescriptor(1, "O3"), true); // 1111 1010
powerOutput.SetState(BuildOutputDescriptor(1, "O6"), true); // 1101 1010
powerOutput.SetState(BuildOutputDescriptor(1, "O3"), false); // 1101 1110 => 222
// Assert
Assert.Equal(222, deviceState);
}
public void can_set_and_read_state()
{
// Arrange
var deviceState = 0;
var i2c = Substitute.For <II2c>();
i2c.When(x => x.WriteToDevice(Arg.Any <int>(), Arg.Any <byte>()))
.Do(x => deviceState = x.Arg <byte>());
var powerOutput = new InvertedPcfOutput(i2c);
// Act
powerOutput.SetState(BuildOutputDescriptor(1, "O3"), true); // 0000 0100
// Assert
Assert.Equal(false, powerOutput.GetState(BuildOutputDescriptor(1, "O1")));
Assert.Equal(false, powerOutput.GetState(BuildOutputDescriptor(1, "O2")));
Assert.Equal(true, powerOutput.GetState(BuildOutputDescriptor(1, "O3")));
Assert.Equal(false, powerOutput.GetState(BuildOutputDescriptor(1, "O4")));
}
