public void CanGetHashCodeForNullTuple()
{
var tuple = new Tuple(null, null, null, null);
Assert.IsTrue(tuple.IsNull);
Assert.AreEqual(686549176, tuple.GetHashCode());
}
public void CanCompareTuplesOfDifferentLengths()
{
var tuple1 = new Tuple(1, 2);
var tuple2 = new Tuple(1, 2, 3);
Assert.AreNotEqual(tuple1, tuple2);
}
public void CanFormat()
{
var tuple = new Tuple(100, null, "abc");
Assert.IsFalse(tuple.IsNull); // only if all keys are null/DBNull
Assert.AreEqual("100, <null>, abc", tuple.ToString());
}
public void EmptyTuplesAreEqual()
{
var tuple1 = new Tuple();
var tuple2 = new Tuple();
Assert.IsTrue(tuple1.IsEmpty);
Assert.IsTrue(tuple2.IsEmpty);
Assert.AreEqual(tuple1, tuple2);
}
public void NullTuplesAreEqual()
{
var tuple1 = new Tuple(null, null, null, null);
var tuple2 = new Tuple(null, null, null, null);
Assert.IsTrue(tuple1.IsNull);
Assert.IsTrue(tuple2.IsNull);
Assert.AreEqual(tuple1, tuple2);
}
public void CanGetHashCode2()
{
var tuple = new Tuple(int.MinValue, double.MinValue, string.Empty);
Assert.AreEqual(-1242032386, tuple.GetHashCode());
}
public void CanGetHashCode1()
{
var tuple = new Tuple(int.MaxValue, double.MaxValue, new string('A', 1000));
Assert.AreEqual(967154681, tuple.GetHashCode());
}
