public void GetSubsetWithGreatestValue_ReturnsLastThreeElements()
{
TestHelper.AssertSequence(
Set.GetSubsetWithGreatestValue(new[] { 100, 200, 1, 50, 70, 188 }, 3,
IntegerAggregator, Comparer <int> .Default),
100, 188, 200);
}
public void GetSubsetWithGreatestValue_ReturnsBiggestElement_ForCountOfOne()
{
TestHelper.AssertSequence(
Set.GetSubsetWithGreatestValue(new[] { 1, 2, 3 }, 1, IntegerAggregator,
Comparer <int> .Default),
3);
}
public void GetSubsetWithGreatestValue_ReturnsAllElements_ForCountOfThree()
{
TestHelper.AssertSequence(
Set.GetSubsetWithGreatestValue(new[] { 3, 2, 1 }, 3, IntegerAggregator,
Comparer <int> .Default),
1, 2, 3);
}
public void GetSubsetWithGreatestValue_ThrowsException_IfSequenceIsNull()
{
Assert.Throws <ArgumentNullException>(() =>
Set.GetSubsetWithGreatestValue(null, 1, IntegerAggregator, Comparer <int> .Default));
}
public void GetSubsetWithGreatestValue_ThrowsException_IfCountIsLessThanOne()
{
Assert.Throws <ArgumentOutOfRangeException>(() =>
Set.GetSubsetWithGreatestValue(new int[] { }, 0, IntegerAggregator,
Comparer <int> .Default));
}
public void GetSubsetWithGreatestValue_ThrowsException_IfComparerIsNull()
{
Assert.Throws <ArgumentNullException>(() =>
Set.GetSubsetWithGreatestValue(new[] { 1 }, 1, IntegerAggregator, null));
}
public void GetSubsetWithGreatestValue_ThrowsException_IfAggregatorIsNull()
{
Assert.Throws <ArgumentNullException>(() =>
Set.GetSubsetWithGreatestValue(new[] { 1 }, 1, null, Comparer <int> .Default));
}
