/// <summary>
/// Merges two overlapping intervals into one.
/// </summary>
/// <param name="x">The first interval to merge.</param>
/// <param name="y">The second interval to merge.</param>
/// <returns>The merged interval.</returns>
public static IntervalInt32 Merge(IntervalInt32 x, IntervalInt32 y)
{
#region Contract
Contract.Requires<ArgumentNullException>(x.Intersects(y) || x.End == y.Start);
#endregion
int start = Math.Min(x.Start, y.Start);
int end = x.End != Int32.MinValue && y.End != Int32.MinValue ? Math.Max(x.End, y.End) : Int32.MinValue;
return new IntervalInt32(start, end);
}
public void Intersects(int xStart, int xEnd, int yStart, int yEnd, bool expectedResult)
{
// Arrange
var x = new IntervalInt32(xStart, xEnd);
var y = new IntervalInt32(yStart, yEnd);
// Act
bool intersects = x.Intersects(y);
bool intersects2 = y.Intersects(x);
// Assert
Assert.That(intersects, Is.EqualTo(expectedResult));
Assert.That(intersects, Is.EqualTo(intersects2));
}
