public void GapBuffer_IndexOfTest()
{
GapBuffer <int> buf = CreateTestGapBuffer();
Assert.AreEqual(0, buf.IndexOf(100));
Assert.AreEqual(15, buf.IndexOf(115));
Assert.AreEqual(17, buf.IndexOf(116));
Assert.AreEqual(25, buf.IndexOf(124));
Assert.AreEqual(-1, buf.IndexOf(125));
Assert.AreEqual(16, buf.IndexOf(999));
Assert.IsTrue(buf.Contains(100));
Assert.IsTrue(buf.Contains(999));
Assert.IsFalse(buf.Contains(0));
}