public void InsertAndContainsTest()
{
BSTree <string> treeString = new BSTree <string>();
treeString.Insert(new Node <string>("S"));
var item1C = tree.Contains(item1);
var item2C = tree.Contains(item3);
var strC = treeString.Contains(new Node <string>("S"));
var falseCon = tree.Contains(new Node <int>());
var falseNull = tree.Contains(null);
Assert.IsTrue(strC);
Assert.IsTrue(item1C);
Assert.IsTrue(item2C);
Assert.IsFalse(falseCon);
Assert.IsFalse(falseNull);
}
public void BSTreeContains()
{
Assert.IsTrue(BSTCountry.Contains(USA.Name));
Assert.IsTrue(BSTCountry.Contains(China.Name));
Assert.IsFalse(BSTCountry.Contains("Finland"));
}