public void TurnOff_IsOnIsTrue_OutputIsCalledCorrectly()
{
// Arrange:
_lmt.TurnOn(); // IsOn = true
TextWriterHelper.ClearTextWriter(textWriter); // Clear all output
// Act:
_lmt.TurnOff();
// Assert:
Assert.That(textWriter.ToString(), Contains.Substring("off")); // Nothing happened (still empty console-output)
}
public void TurnOff_IsOnIsTrue_OutputCalledCorrectly()
{
// Arrange:
_tlm.TurnOn(50); //--> IsOn = true;
TextWriterHelper.ClearTextWriter(_textWriter);
// Act:
_tlm.TurnOff();
// Assert:
Assert.That(_textWriter.ToString(), Is.Not.Empty);
}
public void TurnOn_IsOnIsTrue_NothingHappened()
{
// Arrange:
_lmt.TurnOn(); // IsOn = true
TextWriterHelper.ClearTextWriter(textWriter); // Clear all output
// Act:
_lmt.TurnOn();
// Assert:
Assert.That(textWriter.ToString(), Is.EqualTo(string.Empty)); // Nothing happened (still empty console-output)
}
public void TurnOn_IsOnIsTrue_PowerIsInRange_ThrowsApplicationExceptionAndOutputNotCalled()
{
// Arrange:
_tlm.TurnOn(50); // --> IsOn = true;
TextWriterHelper.ClearTextWriter(_textWriter);
// Act + Assert:
Assert.Multiple((() =>
{
Assert.That(() => _tlm.TurnOn(50), Throws.InstanceOf(typeof(ApplicationException)));
Assert.That(_textWriter.ToString(), Is.EqualTo(string.Empty)); // No output on console
}));
}
