public void TestsChecksums() { Checksum checksum1 = new ChecksumString("AB1234CD"); Assert.IsTrue(checksum1.IsEqual(checksum1)); Checksum checksum2 = new ChecksumString("BOADASG1"); Assert.IsFalse(checksum1.IsEqual(checksum2)); Checksum checksum3 = new ChecksumString("AB1234CD"); Assert.IsTrue(checksum1.IsEqual(checksum3)); }