public void TestSetEquals()
{
var set = new TestSet <int>
{
1, 2, 3, 4
};
Assert.False(set.SetEquals(new[] { 3, 4, 5 }));
Assert.False(set.SetEquals(new[] { 5, 6 }));
Assert.False(set.SetEquals(new int[] { }));
Assert.True(set.SetEquals(new int[] { 1, 2, 3, 4 }));
}