public void GetOptimalFullCoverage_ReturnsSingleSet()
{
var set = new HashSet <int> {
1, 2, 3, 4
};
var coverage = Set.GetOptimalFullCoverage(new[] { set }, EqualityComparer <int> .Default);
TestHelper.AssertSequence(
coverage, set);
}
public void GetOptimalFullCoverage_ReturnsGreatestOneFirst()
{
var set1 = new HashSet <int> {
1, 4
};
var set2 = new HashSet <int> {
2, 3, 1
};
var coverage = Set.GetOptimalFullCoverage(new[] { set1, set2 }, EqualityComparer <int> .Default);
TestHelper.AssertSequence(coverage, set2, set1);
}
public void GetOptimalFullCoverage_ReturnsBestChoiceOnly()
{
var set1 = new HashSet <int> {
1, 2
};
var set2 = new HashSet <int> {
2
};
var coverage = Set.GetOptimalFullCoverage(new[] { set1, set2 }, EqualityComparer <int> .Default);
TestHelper.AssertSequence(
coverage, set1);
}
public void GetOptimalFullCoverage_ReturnsTwoSets()
{
var set1 = new HashSet <int> {
1, 2
};
var set2 = new HashSet <int> {
2, 3
};
var set3 = new HashSet <int> {
1, 3
};
var coverage = Set.GetOptimalFullCoverage(new[] { set1, set2, set3 }, EqualityComparer <int> .Default);
TestHelper.AssertSequence(coverage, set1, set2);
}
public void GetOptimalFullCoverage_ReturnsIndividualSets_IfNoIntersectionFound()
{
var set1 = new HashSet <int> {
1
};
var set2 = new HashSet <int> {
2
};
var set3 = new HashSet <int> {
3
};
var coverage = Set.GetOptimalFullCoverage(new[] { set1, set2, set3 }, EqualityComparer <int> .Default);
TestHelper.AssertSequence(
coverage, set1, set2, set3);
}
public void GetOptimalFullCoverage_ReturnsNothing_ForEmptySets()
{
var coverage = Set.GetOptimalFullCoverage(new ISet <int>[] { }, EqualityComparer <int> .Default);
TestHelper.AssertSequence(coverage);
}
public void GetOptimalFullCoverage_ThrowsException_ForNullSets()
{
Assert.Throws <ArgumentNullException>(() =>
Set.GetOptimalFullCoverage(null, EqualityComparer <int> .Default));
}
public void GetOptimalFullCoverage_ThrowsException_ForEqualityComparer()
{
Assert.Throws <ArgumentNullException>(() =>
Set.GetOptimalFullCoverage(new ISet <int>[] { }, null));
}