public void EndValue()
{
LongIntegerRange testLongIntegerRange = new LongIntegerRange(1, 1);
Assert.AreEqual(1, testLongIntegerRange.EndValue);
testLongIntegerRange = new LongIntegerRange(2, 5);
Assert.AreEqual(6, testLongIntegerRange.EndValue);
testLongIntegerRange = new LongIntegerRange(-10, 3);
Assert.AreEqual(-8, testLongIntegerRange.EndValue);
testLongIntegerRange = new LongIntegerRange(-3, 9);
Assert.AreEqual(5, testLongIntegerRange.EndValue);
testLongIntegerRange = new LongIntegerRange(Int64.MaxValue, 1);
Assert.AreEqual(Int64.MaxValue, testLongIntegerRange.EndValue);
testLongIntegerRange = new LongIntegerRange(Int64.MinValue, 1);
Assert.AreEqual(Int64.MinValue, testLongIntegerRange.EndValue);
testLongIntegerRange = new LongIntegerRange(1, Int64.MaxValue);
Assert.AreEqual(Int64.MaxValue, testLongIntegerRange.EndValue);
testLongIntegerRange = new LongIntegerRange(Int64.MinValue, Int64.MaxValue);
Assert.AreEqual(-2, testLongIntegerRange.EndValue);
}
public void Length()
{
// Test with max and min Int64 values
LongIntegerRange testLongIntegerRange = new LongIntegerRange(1, 1);
testLongIntegerRange.Length = Int64.MaxValue;
Assert.AreEqual(Int64.MaxValue, testLongIntegerRange.Length);
testLongIntegerRange = new LongIntegerRange(Int64.MaxValue, 1);
testLongIntegerRange.Length = 1;
Assert.AreEqual(1, testLongIntegerRange.Length);
testLongIntegerRange = new LongIntegerRange(Int64.MinValue, 1);
testLongIntegerRange.Length = 1;
Assert.AreEqual(1, testLongIntegerRange.Length);
testLongIntegerRange.Length = Int64.MaxValue;
Assert.AreEqual(Int64.MaxValue, testLongIntegerRange.Length);
}
public void CompareTo()
{
// Test with different 'startValue' and varying 'length' parameters (length should have no effect on return value from CompareTo())
LongIntegerRange lower = new LongIntegerRange(1, 5);
LongIntegerRange higher = new LongIntegerRange(5, 6);
Int32 result = lower.CompareTo(higher);
Int32 oppositeResult = higher.CompareTo(lower);
Assert.AreEqual(-1, result);
Assert.AreEqual(1, oppositeResult);
higher = new LongIntegerRange(5, 5);
result = lower.CompareTo(higher);
oppositeResult = higher.CompareTo(lower);
Assert.AreEqual(-1, result);
Assert.AreEqual(1, oppositeResult);
higher = new LongIntegerRange(2, 2);
result = lower.CompareTo(higher);
oppositeResult = higher.CompareTo(lower);
Assert.AreEqual(-1, result);
Assert.AreEqual(1, oppositeResult);
// Test with matching 'startValue' and varying 'length' parameters (length should have no effect on return value from CompareTo())
higher = new LongIntegerRange(1, 4);
result = lower.CompareTo(higher);
oppositeResult = higher.CompareTo(lower);
Assert.AreEqual(0, result);
Assert.AreEqual(0, oppositeResult);
higher = new LongIntegerRange(1, 5);
result = lower.CompareTo(higher);
oppositeResult = higher.CompareTo(lower);
Assert.AreEqual(0, result);
Assert.AreEqual(0, oppositeResult);
higher = new LongIntegerRange(1, 6);
result = lower.CompareTo(higher);
oppositeResult = higher.CompareTo(lower);
Assert.AreEqual(0, result);
Assert.AreEqual(0, oppositeResult);
}
public void Constructor_LengthLessThan1()
{
ArgumentException e = Assert.Throws <ArgumentException>(delegate
{
LongIntegerRange testLongIntegerRange = new LongIntegerRange(1, 0);
});
Assert.That(e.Message, NUnit.Framework.Does.StartWith("Parameter 'length' must be greater than or equal to 1."));
Assert.AreEqual("length", e.ParamName);
}
