public void Should_be_equal_hash_if_properties_are_same()
{
var a = new ValueObjectStub(1, "a", true);
var b = new ValueObjectStub(1, "a", true);
Assert.AreEqual(a.GetHashCode(), b.GetHashCode());
}
public void Should_not_be_equal_has_if_properties_are_different()
{
var a = new ValueObjectStub(1, "a", true);
var b = new ValueObjectStub(2, "a", true);
Assert.AreNotEqual(a.GetHashCode(), b.GetHashCode());
}
public void Should_not_be_equal_if_they_have_at_least_one_private_property_different()
{
var a = new ValueObjectStub(1, "a", true);
var b = new ValueObjectStub(1, "a", false);
AssertAreNotEqual(a, b);
}
public void Should_be_equal_if_properties_and_fields_are_same()
{
var a = new ValueObjectStub(1, "a", true);
var b = new ValueObjectStub(1, "a", true);
AssertAreEqual(a, b);
}
public void Should_not_be_equal_when_comparing_not_null_to_null()
{
ValueObjectStub a = new ValueObjectStub(1, "a", true);
AssertAreNotEqual(a, null);
AssertAreNotEqual(null, a);
}
public void Should_be_equal_when_comparing_nulls()
{
ValueObjectStub a = null;
ValueObjectStub b = null;
AssertAreEqual(a, b);
}
public void CompareNullValuesCorrectlyUsingNotEqualOperator()
{
ValueObjectStub a = null;
ValueObjectStub b = null;
var result = a != b;
Assert.False(result);
}
public void CompareValueToNullCorrectlyUsingNotEqualOperator()
{
var a = new ValueObjectStub(1, "Test");
ValueObjectStub b = null;
var result = a != b;
Assert.True(result);
}
public void CompareValueToNullCorrectlyUsingEquals()
{
var a = new ValueObjectStub(1, "Test");
ValueObjectStub b = null;
var result = a.Equals(b);
Assert.False(result);
}
public void Should_not_be_equal_if_they_have_different_types()
{
ValueObjectStub a = new ValueObjectStub(1, "a", true);
Assert.AreNotEqual(a, "");
}
private static void AssertAreNotEqual(ValueObjectStub a, ValueObjectStub b)
{
Assert.AreNotEqual(a, b);
Assert.IsFalse(a == b);
Assert.IsTrue(a != b);
}
