public void Find_should_return_null_for_non_registered_type()
{
var customComparers = new CustomComparers();
var comparer = customComparers.Find(typeof(Foo));
Assert.IsNull(comparer);
}
public void IsRegisteredFor_should_return_true_for_registered_type()
{
var customComparers = new CustomComparers();
customComparers.Register <Foo>((x, y) => x.Value.CompareTo(y.Value));
Comparison comparer = customComparers.Find(typeof(Foo));
Assert.IsNotNull(comparer);
}
public void Equals_ok(int foo1, int foo2, int expectedSign)
{
var customComparers = new CustomComparers();
customComparers.Register <Foo>((x, y) => x.Value.CompareTo(y.Value));
Comparison comparer = customComparers.Find(typeof(Foo));
int actualSign = comparer(new Foo(foo1), new Foo(foo2));
Assert.AreEqual(expectedSign, actualSign, (x, y) => Math.Sign(x) == Math.Sign(y));
}
public void Register_and_unregister_ok()
{
var customComparers = new CustomComparers();
customComparers.Register <Foo>((x, y) => x.Value.CompareTo(y.Value));
customComparers.Unregister <Foo>();
var comparer = customComparers.Find(typeof(Foo));
Assert.IsNull(comparer);
}
public void Find_with_null_type_should_throw_exception()
{
var customComparers = new CustomComparers();
customComparers.Find(null);
}
public void IsRegisteredFor_should_return_true_for_registered_type()
{
var customComparers = new CustomComparers();
customComparers.Register<Foo>((x, y) => x.Value.CompareTo(y.Value));
Comparison comparer = customComparers.Find(typeof(Foo));
Assert.IsNotNull(comparer);
}
public void Find_should_return_null_for_non_registered_type()
{
var customComparers = new CustomComparers();
var comparer = customComparers.Find(typeof(Foo));
Assert.IsNull(comparer);
}
public void Find_with_null_type_should_throw_exception()
{
var customComparers = new CustomComparers();
customComparers.Find(null);
}
public void Register_and_unregister_ok()
{
var customComparers = new CustomComparers();
customComparers.Register<Foo>((x, y) => x.Value.CompareTo(y.Value));
customComparers.Unregister<Foo>();
var comparer = customComparers.Find(typeof(Foo));
Assert.IsNull(comparer);
}
public void Equals_ok(int foo1, int foo2, int expectedSign)
{
var customComparers = new CustomComparers();
customComparers.Register<Foo>((x, y) => x.Value.CompareTo(y.Value));
Comparison comparer = customComparers.Find(typeof(Foo));
int actualSign = comparer(new Foo(foo1), new Foo(foo2));
Assert.AreEqual(expectedSign, actualSign, (x, y) => Math.Sign(x) == Math.Sign(y));
}