public void UseEqualityComparer()
{
IEqualityComparer <HasEquivalence> ec = Equivalence.GetEqualityComparer <HasEquivalence>();
HasEquivalence one = new HasEquivalence {
Value = 1
};
HasEquivalence oneClone = new HasEquivalence {
Value = 1
};
HasEquivalence two = new HasEquivalence {
Value = 2
};
Assert.AreEqual(ec.Equals(null, null), true);
Assert.AreEqual(ec.Equals(one, null), false);
Assert.AreEqual(ec.Equals(null, one), false);
Assert.AreEqual(ec.Equals(one, one), true);
Assert.AreEqual(ec.Equals(one, oneClone), true);
Assert.AreEqual(ec.Equals(one, two), false);
Assert.AreEqual(ec.Equals(oneClone, one), true);
Assert.AreEqual(ec.Equals(oneClone, oneClone), true);
Assert.AreEqual(ec.Equals(oneClone, two), false);
Assert.AreEqual(ec.Equals(two, one), false);
Assert.AreEqual(ec.Equals(two, oneClone), false);
Assert.AreEqual(ec.Equals(two, two), true);
}
public void SimpleTest()
{
HasEquivalence one = new HasEquivalence {
Value = 1
};
HasEquivalence oneClone = new HasEquivalence {
Value = 1
};
HasEquivalence two = new HasEquivalence {
Value = 2
};
Assert.IsFalse(one.IsEquivalentTo(null));
Assert.AreEqual(one.IsEquivalentTo(one), true);
Assert.AreEqual(one.IsEquivalentTo(oneClone), true);
Assert.AreEqual(one.IsEquivalentTo(two), false);
Assert.AreEqual(oneClone.IsEquivalentTo(one), true);
Assert.AreEqual(oneClone.IsEquivalentTo(oneClone), true);
Assert.AreEqual(oneClone.IsEquivalentTo(two), false);
Assert.AreEqual(two.IsEquivalentTo(one), false);
Assert.AreEqual(two.IsEquivalentTo(oneClone), false);
Assert.AreEqual(two.IsEquivalentTo(two), true);
}
public void AreEquivalentTests()
{
HasEquivalence one = new HasEquivalence {
Value = 1
};
HasEquivalence oneClone = new HasEquivalence {
Value = 1
};
HasEquivalence two = new HasEquivalence {
Value = 2
};
Assert.AreEqual(Equivalence.AreEquivalent <HasEquivalence>(null, null), true);
Assert.AreEqual(Equivalence.AreEquivalent(one, null), false);
Assert.AreEqual(Equivalence.AreEquivalent(null, one), false);
Assert.AreEqual(Equivalence.AreEquivalent(one, one), true);
Assert.AreEqual(Equivalence.AreEquivalent(one, oneClone), true);
Assert.AreEqual(Equivalence.AreEquivalent(one, two), false);
Assert.AreEqual(Equivalence.AreEquivalent(oneClone, one), true);
Assert.AreEqual(Equivalence.AreEquivalent(oneClone, oneClone), true);
Assert.AreEqual(Equivalence.AreEquivalent(oneClone, two), false);
Assert.AreEqual(two.IsEquivalentTo(one), false);
Assert.AreEqual(two.IsEquivalentTo(oneClone), false);
Assert.AreEqual(two.IsEquivalentTo(two), true);
}
public void UseEqualityComparerWithFallback()
{
var ec = Equivalence.GetEqualityComparerOrFallback <HasEquivalence>();
var one = new HasEquivalence {
Value = 1
};
var oneClone = new HasEquivalence {
Value = 1
};
var two = new HasEquivalence {
Value = 2
};
Assert.AreEqual(ec.Equals(null !, null !), true);
Assert.AreEqual(ec.Equals(one, null !), false);
Assert.AreEqual(ec.Equals(null !, one), false);
Assert.AreEqual(ec.Equals(one, one), true);
Assert.AreEqual(ec.Equals(one, oneClone), true);
Assert.AreEqual(ec.Equals(one, two), false);
Assert.AreEqual(ec.Equals(oneClone, one), true);
Assert.AreEqual(ec.Equals(oneClone, oneClone), true);
Assert.AreEqual(ec.Equals(oneClone, two), false);
Assert.AreEqual(ec.Equals(two, one), false);
Assert.AreEqual(ec.Equals(two, oneClone), false);
Assert.AreEqual(ec.Equals(two, two), true);
}
public void AreSequencesEquivalentTests()
{
HasEquivalence one = new HasEquivalence {
Value = 1
};
HasEquivalence oneClone = new HasEquivalence {
Value = 1
};
HasEquivalence two = new HasEquivalence {
Value = 2
};
Assert.AreEqual(Equivalence.AreSequencesEquivalent <HasEquivalence>(null, null), true);
Assert.AreEqual(Equivalence.AreSequencesEquivalent(new HasEquivalence[0], null), false);
Assert.AreEqual(Equivalence.AreSequencesEquivalent(null, new HasEquivalence[0]), false);
Assert.AreEqual(Equivalence.AreSequencesEquivalent(new HasEquivalence[0], new HasEquivalence[0]), true);
Assert.AreEqual(Equivalence.AreSequencesEquivalent(new[] { one }, null), false);
Assert.AreEqual(Equivalence.AreSequencesEquivalent(null, new[] { one }), false);
Assert.AreEqual(Equivalence.AreSequencesEquivalent(new[] { one }, new[] { oneClone }), true);
Assert.AreEqual(Equivalence.AreSequencesEquivalent(new[] { one, two }, new[] { one, two }), true);
Assert.AreEqual(Equivalence.AreSequencesEquivalent(new[] { one, two }, new[] { one, two, one }), false);
Assert.AreEqual(Equivalence.AreSequencesEquivalent(new[] { one, two }, new[] { two, one }), false);
}
