public void Subtract_15_from_14_Returns_EmptySet()
{
// Arrange
var DekRange = new DekRange(1, 4);
var subtractor = new DekRange(1, 5);
// Act
var result = DekRange.Subtract(subtractor);
// Assert
Assert.That(result.Count, Is.EqualTo(0));
}
public void Subtract_24_from_14_Returns_11()
{
// Arrange
var DekRange = new DekRange(1, 4);
var subtractor = new DekRange(2, 4);
var expected = new DekRange(1, 1);
// Act
var result = DekRange.Subtract(subtractor);
// Assert
Assert.That(result.Count, Is.EqualTo(1));
Assert.That(result[0], Is.EqualTo(expected));
}
public void Subtract_12_from_03_Returns_00_and_33()
{
// Arrange
var DekRange = new DekRange(0, 3);
var subtractor = new DekRange(1, 2);
var expected1 = new DekRange(0, 0);
var expected2 = new DekRange(3, 3);
// Act
var result = DekRange.Subtract(subtractor);
// Assert
Assert.That(result.Count, Is.EqualTo(2));
Assert.That(result[0], Is.EqualTo(expected1));
Assert.That(result[1], Is.EqualTo(expected2));
}
public void Subtract_22_from_14_Returns_11_and_34()
{
// Arrange
var DekRange = new DekRange(1, 4);
var subtractor = new DekRange(2, 2);
var expected1 = new DekRange(1, 1);
var expected2 = new DekRange(3, 4);
// Act
var result = DekRange.Subtract(subtractor);
// Assert
Assert.That(result.Count, Is.EqualTo(2));
Assert.That(result[0], Is.EqualTo(expected1));
Assert.That(result[1], Is.EqualTo(expected2));
}
