public void TestDistinctWhenThrowingExceptions()
{
string[] employeesNames = null;
var result = LINQFunctions.Distinct(employeesNames, new EqualityComparer <string>());
Assert.Throws <ArgumentNullException>(() => result.Count());
}
public void TestDistinct()
{
string[] employeesNames = { "Mara", "Mara", "Ana", "Andreea" };
var distinctEqualityComparer = new EqualityComparer <string>();
var result = LINQFunctions.Distinct(employeesNames, distinctEqualityComparer);
Assert.Equal(3, result.Count());
}
