public void Contains_Test()
{
IFileObject[] all = new IFileObject[] { new PDFNumber(1), new PDFNumber(2) };
PDFArray target = new PDFArray(all);
Assert.AreEqual(all[0], all[0], "Basic assertion that PDFNumbers are equal failed");
IFileObject tofind = all[0];
bool contains = target.Contains(tofind);
Assert.IsTrue(contains);
tofind = all[1];
contains = target.Contains(tofind);
Assert.IsTrue(contains);
tofind = new PDFNumber(4);
contains = target.Contains(tofind);
Assert.IsFalse(contains);
}