public void ConstructorFuncOfTOfObject_should_use_specified_key_equality()
{
// Arrange
var getHashCodeCalled = new List <bool>();
var equalsCalled = new List <bool>();
var mock1 = new MockParent();
mock1.Key.GetHashCodeProvider = () => { getHashCodeCalled.Add(true); return(0); };
mock1.Key.EqualsProvider = obj => { equalsCalled.Add(true); return(obj.Equals(null)); };
var mock2 = new MockParent();
mock2.Key.GetHashCodeProvider = () => { getHashCodeCalled.Add(true); return(0); };
mock2.Key.EqualsProvider = obj => { equalsCalled.Add(true); return(true); };
// Act
var comparer = new LambdaEqualityComparer <MockParent>(_ => _.Key);
var hashCode = comparer.GetHashCode(mock1);
var isEqual = comparer.Equals(mock1, mock2);
// Assert
CollectionAssert.AreEqual(new[] { true }, getHashCodeCalled);
CollectionAssert.AreEqual(new[] { true, true }, equalsCalled);
Assert.AreEqual(0, hashCode);
Assert.IsTrue(isEqual);
}
public void ConstructorFuncOfTOfObject_should_use_specified_key_equality()
{
// Arrange
var getHashCodeCalled = new List<bool>();
var equalsCalled = new List<bool>();
var mock1 = new MockParent();
mock1.Key.GetHashCodeProvider = () => { getHashCodeCalled.Add(true); return 0; };
mock1.Key.EqualsProvider = obj => { equalsCalled.Add(true); return obj.Equals(null); };
var mock2 = new MockParent();
mock2.Key.GetHashCodeProvider = () => { getHashCodeCalled.Add(true); return 0; };
mock2.Key.EqualsProvider = obj => { equalsCalled.Add(true); return true; };
// Act
var comparer = new LambdaEqualityComparer<MockParent>(_ => _.Key);
var hashCode = comparer.GetHashCode(mock1);
var isEqual = comparer.Equals(mock1, mock2);
// Assert
CollectionAssert.AreEqual(new[] { true }, getHashCodeCalled);
CollectionAssert.AreEqual(new[] { true, true }, equalsCalled);
Assert.AreEqual(0, hashCode);
Assert.IsTrue(isEqual);
}
