public void NonNullInstance_ComparedWillObject_IsFalse()
{
EntityWithIdOfInt entity1 = new EntityWithIdOfInt { Id = 1 };
object entity2 = null;
Assert.IsFalse(entity1.Equals(entity2));
}
public void IsNew_ForNewInstance_ReturnsTrue()
{
var entity = new EntityWithIdOfInt();
Assert.AreEqual(0, entity.Id);
Assert.IsTrue(entity.IsNew());
}
public void Compare_InstanceWithTransientID_With_InstanceWithNonTransientID_AreNotEqual()
{
var entity1 = new EntityWithIdOfInt();
var entity2 = new EntityWithIdOfInt { Id = 1 };
Assert.IsFalse(entity1.Equals(entity2));
}
public void TwoInstances_WithDifferentIds_Should_NOT_BeEqual()
{
var entity1 = new EntityWithIdOfInt { Id = 1 };
var entity2 = new EntityWithIdOfInt { Id = 2 };
Assert.IsFalse(Equals(entity1, entity2));
Assert.IsFalse(entity2.Equals(entity1));
Assert.AreNotEqual(entity1.GetHashCode(), entity2.GetHashCode());
}
public void IsNew_WithNonDefaultValues_ReturnFalse()
{
var entity = new EntityWithIdOfInt
{
Id = 1
};
Assert.IsFalse(entity.IsNew());
}
public void Id_ResetToDefaultValue_ThrowsException()
{
var entity = new EntityWithIdOfInt
{
Id = 1
};
entity.Id = 0;
Assert.Inconclusive();
}
public void TwoNewInstances_ShouldBeEqual()
{
var entity1 = new EntityWithIdOfInt();
var entity2 = new EntityWithIdOfInt();
Assert.IsTrue(Equals(entity1, entity2));
}
public void TwoInstances_WithSameId_ShouldBeEqual()
{
var entity1 = new EntityWithIdOfInt { Id = 1 };
var entity2 = new EntityWithIdOfInt { Id = 1 };
Assert.IsTrue(Equals(entity1, entity2));
Assert.IsTrue(entity2.Equals(entity1));
Assert.AreEqual(entity1.GetHashCode(), entity2.GetHashCode());
}