public void Equals_EqualityComparisonApplied()
{
List <IntWrapper> source1 = new List <IntWrapper>()
{
new IntWrapper()
{
Value = 5
},
new IntWrapper()
{
Value = 4
},
new IntWrapper()
{
Value = 3
}
};
List <IntWrapper> source2 = new List <IntWrapper>()
{
new IntWrapper()
{
Value = 3
},
new IntWrapper()
{
Value = 2
},
new IntWrapper()
{
Value = 1
},
new IntWrapper()
{
Value = 0
}
};
List <IntWrapper> result = source1.Union(source2, ProjectedEqualityComparer.Create <IntWrapper, int>(
(x, y) => { return(x == y); },
s => s.Value)).ToList();
for (int i = 0; i < result.Count; i++)
{
Assert.IsTrue(result.Where(x => x.Value == i).Count() == 1);
}
Assert.IsTrue(result.Count == 6);
Assert.IsTrue(result.Where(x => x.Value == 3).Count() == 1);
}
public void Constructor_NonNullComparisonAndNonNullProjection_DoesNotThrowException()
{
ProjectedEqualityComparer <IntWrapper, int> c = new ProjectedEqualityComparer <IntWrapper, int>((x, y) => true, x => x.Value);
}
public void Constructor_NullProjection_ThrowsException()
{
ProjectedEqualityComparer <IntWrapper, int> c = new ProjectedEqualityComparer <IntWrapper, int>((x, y) => true, null);
}
public void Constructor_NullComparison_ThrowsException()
{
ProjectedEqualityComparer <IntWrapper, int> c = new ProjectedEqualityComparer <IntWrapper, int>(null, (x) => { return(x.Value); });
}
public void Constructor_NonNullComparisonAndNonNullProjection_DoesNotThrowException()
{
ProjectedEqualityComparer<IntWrapper, int> c = new ProjectedEqualityComparer<IntWrapper, int>((x, y) => true, x => x.Value);
}
public void Constructor_NullProjection_ThrowsException()
{
ProjectedEqualityComparer<IntWrapper, int> c = new ProjectedEqualityComparer<IntWrapper, int>((x, y) => true, null);
}
public void Constructor_NullComparison_ThrowsException()
{
ProjectedEqualityComparer<IntWrapper, int> c = new ProjectedEqualityComparer<IntWrapper, int>(null, (x) => { return x.Value; });
}
