public void TestToArray()
{
IntList list = new IntList();
for (int j = 0; j < 1000; j++)
{
list.Add(j);
}
int[] a1 = list.ToArray();
Assert.AreEqual(a1.Length, list.Count);
for (int j = 0; j < 1000; j++)
{
Assert.AreEqual(a1[j], list.Get(j));
}
int[] a2 = new int[list.Count];
int[] a3 = list.ToArray(a2);
Assert.AreSame(a2, a3);
for (int j = 0; j < 1000; j++)
{
Assert.AreEqual(a2[j], list.Get(j));
}
int[] ashort = new int[list.Count - 1];
int[] aLong = new int[list.Count + 1];
int[] a4 = list.ToArray(ashort);
int[] a5 = list.ToArray(aLong);
Assert.IsTrue(a4 != ashort);
Assert.IsTrue(a5 != aLong);
Assert.AreEqual(a4.Length, list.Count);
for (int j = 0; j < 1000; j++)
{
Assert.AreEqual(a3[j], list.Get(j));
}
Assert.AreEqual(a5.Length, list.Count);
for (int j = 0; j < 1000; j++)
{
Assert.AreEqual(a5[j], list.Get(j));
}
}
public void TestSet()
{
IntList list = new IntList();
for (int j = 0; j < 1000; j++)
{
list.Add(j);
}
for (int j = 0; j < 1001; j++)
{
try
{
list.Set(j, j + 1);
if (j == 1000)
{
Assert.Fail("Should have gotten exception");
}
Assert.AreEqual(j + 1, list.Get(j));
}
catch (IndexOutOfRangeException)
{
if (j != 1000)
{
Assert.Fail("premature exception");
}
}
}
}
public void TestAdd()
{
IntList list = new IntList();
int[] testArray =
{
0, 1, 2, 3, 5
};
for (int j = 0; j < testArray.Length; j++)
{
list.Add(testArray[j]);
}
for (int j = 0; j < testArray.Length; j++)
{
Assert.AreEqual(testArray[j], list.Get(j));
}
Assert.AreEqual(testArray.Length, list.Count);
// add at the beginning
list.Add(0, -1);
Assert.AreEqual(-1, list.Get(0));
Assert.AreEqual(testArray.Length + 1, list.Count);
for (int j = 0; j < testArray.Length; j++)
{
Assert.AreEqual(testArray[j], list.Get(j + 1));
}
// add in the middle
list.Add(5, 4);
Assert.AreEqual(4, list.Get(5));
Assert.AreEqual(testArray.Length + 2, list.Count);
for (int j = 0; j < list.Count; j++)
{
Assert.AreEqual(j - 1, list.Get(j));
}
// add at the end
list.Add(list.Count, 6);
Assert.AreEqual(testArray.Length + 3, list.Count);
for (int j = 0; j < list.Count; j++)
{
Assert.AreEqual(j - 1, list.Get(j));
}
// add past end
try
{
list.Add(list.Count + 1, 8);
Assert.Fail("should have thrown exception");
}
catch (IndexOutOfRangeException)
{
// as expected
}
// Test growth
list = new IntList(0);
for (int j = 0; j < 1000; j++)
{
list.Add(j);
}
Assert.AreEqual(1000, list.Count);
for (int j = 0; j < 1000; j++)
{
Assert.AreEqual(j, list.Get(j));
}
list = new IntList(0);
for (int j = 0; j < 1000; j++)
{
list.Add(0, j);
}
Assert.AreEqual(1000, list.Count);
for (int j = 0; j < 1000; j++)
{
Assert.AreEqual(j, list.Get(999 - j));
}
}
public void TestGet()
{
IntList list = new IntList();
for (int j = 0; j < 1000; j++)
{
list.Add(j);
}
for (int j = 0; j < 1001; j++)
{
try
{
Assert.AreEqual(j, list.Get(j));
if (j == 1000)
{
Assert.Fail("should have gotten exception");
}
}
catch (IndexOutOfRangeException)
{
if (j != 1000)
{
Assert.Fail("unexpected IndexOutOfBoundsException");
}
}
}
}
public void TestClear()
{
IntList list = new IntList();
for (int j = 0; j < 500; j++)
{
list.Add(j);
}
Assert.AreEqual(500, list.Count);
list.Clear();
Assert.AreEqual(0, list.Count);
for (int j = 0; j < 500; j++)
{
list.Add(j + 1);
}
Assert.AreEqual(500, list.Count);
for (int j = 0; j < 500; j++)
{
Assert.AreEqual(j + 1, list.Get(j));
}
}
public void TestAddAll()
{
IntList list = new IntList();
for (int j = 0; j < 5; j++)
{
list.Add(j);
}
IntList list2 = new IntList(0);
list2.AddAll(list);
list2.AddAll(list);
Assert.AreEqual(2 * list.Count, list2.Count);
for (int j = 0; j < 5; j++)
{
Assert.AreEqual(list2.Get(j), j);
Assert.AreEqual(list2.Get(j + list.Count), j);
}
IntList empty = new IntList();
int limit = list.Count;
for (int j = 0; j < limit; j++)
{
Assert.IsTrue(list.AddAll(j, empty));
Assert.AreEqual(limit, list.Count);
}
try
{
list.AddAll(limit + 1, empty);
Assert.Fail("should have thrown an exception");
}
catch (IndexOutOfRangeException)
{
// as expected
}
// try add at beginning
empty.AddAll(0, list);
//Assert.AreEqual(empty, list);
Assert.IsTrue(empty.Equals(list));
// try in the middle
empty.AddAll(1, list);
Assert.AreEqual(2 * list.Count, empty.Count);
Assert.AreEqual(list.Get(0), empty.Get(0));
Assert.AreEqual(list.Get(0), empty.Get(1));
Assert.AreEqual(list.Get(1), empty.Get(2));
Assert.AreEqual(list.Get(1), empty.Get(6));
Assert.AreEqual(list.Get(2), empty.Get(3));
Assert.AreEqual(list.Get(2), empty.Get(7));
Assert.AreEqual(list.Get(3), empty.Get(4));
Assert.AreEqual(list.Get(3), empty.Get(8));
Assert.AreEqual(list.Get(4), empty.Get(5));
Assert.AreEqual(list.Get(4), empty.Get(9));
// try at the end
empty.AddAll(empty.Count, list);
Assert.AreEqual(3 * list.Count, empty.Count);
Assert.AreEqual(list.Get(0), empty.Get(0));
Assert.AreEqual(list.Get(0), empty.Get(1));
Assert.AreEqual(list.Get(0), empty.Get(10));
Assert.AreEqual(list.Get(1), empty.Get(2));
Assert.AreEqual(list.Get(1), empty.Get(6));
Assert.AreEqual(list.Get(1), empty.Get(11));
Assert.AreEqual(list.Get(2), empty.Get(3));
Assert.AreEqual(list.Get(2), empty.Get(7));
Assert.AreEqual(list.Get(2), empty.Get(12));
Assert.AreEqual(list.Get(3), empty.Get(4));
Assert.AreEqual(list.Get(3), empty.Get(8));
Assert.AreEqual(list.Get(3), empty.Get(13));
Assert.AreEqual(list.Get(4), empty.Get(5));
Assert.AreEqual(list.Get(4), empty.Get(9));
Assert.AreEqual(list.Get(4), empty.Get(14));
}
