public void test_BinarySearch_boundary()
{
Assert.AreEqual(0, ListAlgorithms <int> .BinarySearch(new List <int>(), delegate(int item) {
return(-1);
}));
Assert.AreEqual(0, ListAlgorithms <int> .BinarySearch(new List <int>(), delegate(int item) {
return(1);
}));
ExtendedCollection <int> x = new ExtendedCollection <int>();
x.Add(1);
Assert.AreEqual(0, ListAlgorithms <int> .BinarySearch(x, delegate(int item) {
return(1);
}));
Assert.AreEqual(1, ListAlgorithms <int> .BinarySearch(x, delegate(int item) {
return(item - 1);
}));
}
public void test_BinarySearch()
{
List <int> x = new List <int>();
x.Add(1);
x.Add(3);
x.Add(5);
x.Add(7);
x.Add(11);
x.Add(13);
x.Add(17);
x.Add(19);
Assert.AreEqual(3, ListAlgorithms <int> .BinarySearch(x, delegate(int item) {
return(item - 3);
}));
Assert.AreEqual(1, ListAlgorithms <int> .BinarySearch(x, delegate(int item) {
return(item - 1);
}));
Assert.AreEqual(19, ListAlgorithms <int> .BinarySearch(x, delegate(int item) {
return(item - 19);
}));
Assert.AreEqual(11, ListAlgorithms <int> .BinarySearch(x, delegate(int item) {
return(item - 11);
}));
Assert.AreEqual(7, ListAlgorithms <int> .BinarySearch(x, delegate(int item) {
return(item - 7);
}));
Assert.AreEqual(13, ListAlgorithms <int> .BinarySearch(x, delegate(int item) {
return(item - 13);
}));
Assert.AreEqual(0, ListAlgorithms <int> .BinarySearch(x, delegate(int item) {
return(item - 4); // searching for 4
}));
}