public void NotEqualWhenSecondInstanceIsNull()
{
ClassUsingGuidIdentity p1 = new ClassUsingGuidIdentity();
ClassUsingGuidIdentity p2 = null;
Assert.IsFalse(p1.Equals(p2));
}
public void EqualWhenTransientIfBothOjectsAreTheSameInstance()
{
ClassUsingGuidIdentity p1 = new ClassUsingGuidIdentity();
ClassUsingGuidIdentity p2 = p1;
Assert.IsTrue(p1.Equals(p2));
}
public void NotEqualWhenInstancesAreDifferentTypes()
{
ClassUsingGuidIdentity p1 = new ClassUsingGuidIdentity();
int i = 1;
Assert.IsFalse(p1.Equals(i));
}
public void NotEqualWhenBothInstancesAreTransient()
{
ClassUsingGuidIdentity p1 = new ClassUsingGuidIdentity();
ClassUsingGuidIdentity p2 = new ClassUsingGuidIdentity();
Assert.IsFalse(p1.Equals(p2));
}
public void PersistedInstanceIsNotTransientWithGuidIdentity()
{
ClassUsingGuidIdentity p = new ClassUsingGuidIdentity();
//use reflection to set the internal ID of the object to 'simulate' persistence
SetInstanceFieldValue(p, "_persistenceId", Guid.NewGuid());
Assert.IsFalse(p.IsTransient);
}
public void NotEqualWhenSecondInstanceIsTransient()
{
ClassUsingGuidIdentity p1 = new ClassUsingGuidIdentity();
ClassUsingGuidIdentity p2 = new ClassUsingGuidIdentity();
SetInstanceFieldValue(p2, "_persistenceId", Guid.NewGuid());
Assert.IsFalse(p1.Equals(p2));
}
public void OperatorEqualOverloadTest()
{
ClassUsingGuidIdentity p1 = new ClassUsingGuidIdentity();
ClassUsingGuidIdentity p2 = new ClassUsingGuidIdentity();
Assert.IsFalse(p1.Equals(p2));
Assert.IsFalse(p1 == p2);
Assert.IsTrue(p1 != p2);
}
public void HashCodesAreEqualIfIdentitiesAreEqual()
{
ClassUsingGuidIdentity p1 = new ClassUsingGuidIdentity();
ClassUsingGuidIdentity p2 = new ClassUsingGuidIdentity();
Guid g = Guid.NewGuid();
SetInstanceFieldValue(p1, "_persistenceId", g);
SetInstanceFieldValue(p2, "_persistenceId", g);
Assert.IsTrue(p1.GetHashCode() == p2.GetHashCode());
}
public void EqualWhenInstancesHaveSameIdentityValue()
{
ClassUsingGuidIdentity p1 = new ClassUsingGuidIdentity();
ClassUsingGuidIdentity p2 = new ClassUsingGuidIdentity();
Guid g = Guid.NewGuid();
SetInstanceFieldValue(p1, "_persistenceId", g);
SetInstanceFieldValue(p2, "_persistenceId", g);
Assert.IsTrue(p1.Equals(p2));
}
public void AllPublicPropertiesAreDeclaredVirtual()
{
ClassUsingGuidIdentity p = new ClassUsingGuidIdentity();
foreach (PropertyInfo prop in p.GetType().BaseType.GetProperties(BindingFlags.Public | BindingFlags.Instance))
{
foreach (MethodInfo methodInfo in prop.GetAccessors())
{
//http://msdn.microsoft.com/en-us/library/system.reflection.methodbase.isvirtual.aspx
if (!methodInfo.IsVirtual || methodInfo.IsFinal)
{
Assert.Fail(string.Format("Property {0} must be declared virtual in type {1}", prop.Name, p.GetType().BaseType.ToString()));
}
}
}
}
public void NewInstanceIsTransient()
{
ClassUsingGuidIdentity p = new ClassUsingGuidIdentity();
Assert.IsTrue(p.IsTransient);
}
