public void Stress_Test() { const int iterations = 100; var random = new Random(0); var selection = new List <IndexRange>(); var expected = new List <int>(); IndexRange Generate() { var start = random.Next(100); return(new IndexRange(start, start + random.Next(20))); } for (var i = 0; i < iterations; ++i) { var toAdd = random.Next(5); for (var j = 0; j < toAdd; ++j) { var range = Generate(); IndexRange.Add(selection, range); for (var k = range.Begin; k <= range.End; ++k) { if (!expected.Contains(k)) { expected.Add(k); } } var actual = IndexRange.EnumerateIndices(selection).ToList(); expected.Sort(); Assert.Equal(expected, actual); } var toRemove = random.Next(5); for (var j = 0; j < toRemove; ++j) { var range = Generate(); IndexRange.Remove(selection, range); for (var k = range.Begin; k <= range.End; ++k) { expected.Remove(k); } var actual = IndexRange.EnumerateIndices(selection).ToList(); Assert.Equal(expected, actual); } selection.Clear(); expected.Clear(); } }
public void Add_Should_Add_Range_To_Empty_List() { var ranges = new List <IndexRange>(); var selected = new List <IndexRange>(); var result = IndexRange.Add(ranges, new IndexRange(0, 4), selected); Assert.Equal(5, result); Assert.Equal(new[] { new IndexRange(0, 4) }, ranges); Assert.Equal(new[] { new IndexRange(0, 4) }, selected); }
public void Add_Should_Add_Intersecting_Range_Both() { var ranges = new List <IndexRange> { new IndexRange(8, 10) }; var selected = new List <IndexRange>(); var result = IndexRange.Add(ranges, new IndexRange(6, 12), selected); Assert.Equal(4, result); Assert.Equal(new[] { new IndexRange(6, 12) }, ranges); Assert.Equal(new[] { new IndexRange(6, 7), new IndexRange(11, 12) }, selected); }
public void Add_Should_Add_Non_Intersecting_Range_In_Middle() { var ranges = new List <IndexRange> { new IndexRange(0, 4), new IndexRange(14, 16) }; var selected = new List <IndexRange>(); var result = IndexRange.Add(ranges, new IndexRange(8, 10), selected); Assert.Equal(3, result); Assert.Equal(new[] { new IndexRange(0, 4), new IndexRange(8, 10), new IndexRange(14, 16) }, ranges); Assert.Equal(new[] { new IndexRange(8, 10) }, selected); }
public void Add_Should_Not_Add_Already_Selected_Range() { var ranges = new List <IndexRange> { new IndexRange(8, 10) }; var selected = new List <IndexRange>(); var result = IndexRange.Add(ranges, new IndexRange(9, 10), selected); Assert.Equal(0, result); Assert.Equal(new[] { new IndexRange(8, 10) }, ranges); Assert.Empty(selected); }
public void Add_Should_Join_Two_Intersecting_Ranges_And_Add_Ranges() { var ranges = new List <IndexRange> { new IndexRange(8, 10), new IndexRange(12, 14) }; var selected = new List <IndexRange>(); var result = IndexRange.Add(ranges, new IndexRange(6, 18), selected); Assert.Equal(7, result); Assert.Equal(new[] { new IndexRange(6, 18) }, ranges); Assert.Equal(new[] { new IndexRange(6, 7), new IndexRange(11, 11), new IndexRange(15, 18) }, selected); }