public void SplitIntoSubsetsOfEqualValue_ReturnsNothing_ForEmptySequence()
{
var array = new int[] { };
TestHelper.AssertSequence(
Set.SplitIntoSubsetsOfEqualValue(array, IntegerAggregator, Comparer <int> .Default, 1)
);
}
public void SplitIntoSubsetsOfEqualValue_ReturnsNothing_IfThreePartitionsNotPossible()
{
var array = new[] { 2, 1, 3, 2, 5 };
TestHelper.AssertSequence(
Set.SplitIntoSubsetsOfEqualValue(array, IntegerAggregator, Comparer <int> .Default, 3)
);
}
public void SplitIntoSubsetsOfEqualValue_ReturnsEverything_IfOnlyOnePartition()
{
var array = new[] { 1, 2, 3, 4, 5 };
TestHelper.AssertSequence(
Set.SplitIntoSubsetsOfEqualValue(array, IntegerAggregator, Comparer <int> .Default, 1),
new[] { 1, 2, 3, 4, 5 });
}
public void SplitIntoSubsetsOfEqualValue_ReturnsTwoPartitions_IfPossible()
{
var array = new[] { 2, 1, 3, 2 };
TestHelper.AssertSequence(
Set.SplitIntoSubsetsOfEqualValue(array, IntegerAggregator, Comparer <int> .Default, 2),
new[] { 2, 2 },
new[] { 1, 3 }
);
}
public void SplitIntoSubsetsOfEqualValue_ReturnsEmptyArrayAndAll_ForNegativeZeroing()
{
var array = new[] { -1, 1 };
TestHelper.AssertSequence(
Set.SplitIntoSubsetsOfEqualValue(array, IntegerAggregator, Comparer <int> .Default, 2),
new[] { -1, 1 },
new int[] { }
);
}
public void SplitIntoSubsetsOfEqualValue_ThrowsException_IfAggregatorIsNull()
{
Assert.Throws <ArgumentNullException>(() =>
Set.SplitIntoSubsetsOfEqualValue(new[] { 1 }, null, Comparer <int> .Default, 1));
}
public void SplitIntoSubsetsOfEqualValue_ThrowsException_IsCountOfPartitionsLessThanOne()
{
Assert.Throws <ArgumentOutOfRangeException>(() =>
Set.SplitIntoSubsetsOfEqualValue(new[] { 1 }, IntegerAggregator, Comparer <int> .Default, 0));
}
public void SplitIntoSubsetsOfEqualValue_ThrowsException_IfSequenceIsNull()
{
Assert.Throws <ArgumentNullException>(() =>
Set.SplitIntoSubsetsOfEqualValue(null, IntegerAggregator, Comparer <int> .Default, 1));
}
public void SplitIntoSubsetsOfEqualValue_ThrowsException_IfComparerIsNull()
{
Assert.Throws <ArgumentNullException>(() =>
Set.SplitIntoSubsetsOfEqualValue(new[] { 1 }, IntegerAggregator, null, 1));
}