public void Union()
{
var bagOdds = new Bag <int>(new int[] { 1, 1, 1, 3, 3, 3, 5, 7, 7, 9, 11, 11, 13, 15, 17, 17, 19 });
var bagDigits = new Bag <int>(new int[] { 1, 2, 2, 3, 3, 3, 4, 5, 5, 6, 7, 7, 7, 7, 7, 7, 8, 9 });
// Algorithms work different depending on sizes, so try both ways.
Bag <int> bag1 = bagOdds.Clone();
Bag <int> bag2 = bagDigits.Clone();
bag1.UnionWith(bag2);
InterfaceTests.TestReadWriteCollectionGeneric(bag1,
new int[]
{
1, 1, 1, 2, 2, 3, 3, 3, 4, 5, 5, 6, 7, 7, 7, 7, 7, 7, 8, 9, 11, 11, 13, 15,
17, 17, 19
}, false);
bag1 = bagOdds.Clone();
bag2 = bagDigits.Clone();
bag2.UnionWith(bag1);
InterfaceTests.TestReadWriteCollectionGeneric(bag2,
new int[]
{
1, 1, 1, 2, 2, 3, 3, 3, 4, 5, 5, 6, 7, 7, 7, 7, 7, 7, 8, 9, 11, 11, 13, 15,
17, 17, 19
}, false);
bag1 = bagOdds.Clone();
bag2 = bagDigits.Clone();
Bag <int> bag3 = bag1.Union(bag2);
InterfaceTests.TestReadWriteCollectionGeneric(bag3,
new int[]
{
1, 1, 1, 2, 2, 3, 3, 3, 4, 5, 5, 6, 7, 7, 7, 7, 7, 7, 8, 9, 11, 11, 13, 15,
17, 17, 19
}, false);
bag1 = bagOdds.Clone();
bag2 = bagDigits.Clone();
bag3 = bag2.Union(bag1);
InterfaceTests.TestReadWriteCollectionGeneric(bag3,
new int[]
{
1, 1, 1, 2, 2, 3, 3, 3, 4, 5, 5, 6, 7, 7, 7, 7, 7, 7, 8, 9, 11, 11, 13, 15,
17, 17, 19
}, false);
// Make sure intersection with itself works.
bag1 = bagDigits.Clone();
bag1.UnionWith(bag1);
InterfaceTests.TestReadWriteCollectionGeneric(bag1, new int[] { 1, 2, 2, 3, 3, 3, 4, 5, 5, 6, 7, 7, 7, 7, 7, 7, 8, 9 },
false);
bag1 = bagDigits.Clone();
bag3 = bag1.Union(bag1);
InterfaceTests.TestReadWriteCollectionGeneric(bag3, new int[] { 1, 2, 2, 3, 3, 3, 4, 5, 5, 6, 7, 7, 7, 7, 7, 7, 8, 9 },
false);
}
public void Clone()
{
var bag1 = new Bag <int>(new int[] { 1, 7, 9, 11, 7, 13, 15, -17, 19, -21, 1 });
var bag2 = bag1.Clone();
var bag3 = bag1.Clone(); //(Bag<int>) ((ICloneable) bag1).Clone();
Assert.IsFalse(bag2 == bag1);
Assert.IsFalse(bag3 == bag1);
// Modify bag1, make sure bag2, bag3 don't change.
bag1.Remove(9);
bag1.Remove(-17);
bag1.Add(8);
InterfaceTests.TestReadWriteCollectionGeneric(bag2, new int[] { -21, -17, 1, 1, 7, 7, 9, 11, 13, 15, 19 }, false);
InterfaceTests.TestReadWriteCollectionGeneric(bag3, new int[] { -21, -17, 1, 1, 7, 7, 9, 11, 13, 15, 19 }, false);
bag1 = new Bag <int>();
bag2 = bag1.Clone();
Assert.IsFalse(bag2 == bag1);
Assert.IsTrue(bag1.Count == 0 && bag2.Count == 0);
}
