public void BitsMarkedInSequenceWhenMultipleTokensSet() { BinarySequenceHashBuilder hash = new BinarySequenceHashBuilder(); hash.AppendOneSequence(); hash.AppendZeroToSequence(); hash.AppendOneSequence(); hash.AppendZeroToSequence(); byte[] bytes = hash.GetBytes(); Assert.AreEqual(10 /* think binary flags */, bytes[0]); }
public void BitIs1WhenTokenIsNumber() { BinarySequenceHashBuilder hash = new BinarySequenceHashBuilder(); hash.AppendOneSequence(); Assert.AreEqual(1, hash.GetBytes()[0]); }
public void HashesNotEqualWhenBitsDoNotMatch() { BinarySequenceHashBuilder hash1 = new BinarySequenceHashBuilder(); BinarySequenceHashBuilder hash2 = new BinarySequenceHashBuilder(); hash1.AppendOneSequence(); Assert.AreNotEqual(hash1, hash2); }
public void HashesAreEqualWhenEquivalentHashesAreCompared() { BinarySequenceHashBuilder hash1 = new BinarySequenceHashBuilder(); for (int i = 0; i < Byte.MaxValue; i++) { if (i % 3 == 0) { hash1.AppendOneSequence(); } else if (i % 2 == 0) { hash1.AppendZeroToSequence(); } } BinarySequenceHashBuilder hash2 = new BinarySequenceHashBuilder(hash1.GetBytes()); Assert.IsTrue(hash1 == hash2, "=="); Assert.IsTrue(hash1.Equals(hash2), ".Equals"); }
public void HashInCorrectStringFormatWhenToStringInvoked() { BinarySequenceHashBuilder hash = new BinarySequenceHashBuilder(); hash.AppendOneSequence(); hash.AppendZeroToSequence(); hash.AppendOneSequence(); hash.AppendZeroToSequence(); hash.AppendOneSequence(); hash.AppendZeroToSequence(); hash.AppendOneSequence(); hash.AppendZeroToSequence(); Assert.AreEqual("AA0000000000000000000000000000000000000000000000000000000000000008", hash.ToString()); }
public void TokenCountIncreasedWhenTokenMarked() { BinarySequenceHashBuilder hash = new BinarySequenceHashBuilder(); Assert.AreEqual(0, hash.SequenceLength); hash.AppendZeroToSequence(); Assert.AreEqual(1, hash.SequenceLength); hash.AppendOneSequence(); Assert.AreEqual(2, hash.SequenceLength); }
public void SanityCheckBitsMarkedWhenAllBitsUsed() { BinarySequenceHashBuilder hash = new BinarySequenceHashBuilder(); int lastMarkerIndex = BinarySequenceHashBuilder.SEQUENCE_BYTE_LENGTH - 2; for (int i = 0; i < Byte.MaxValue; i++) { hash.AppendOneSequence(); } byte[] bytes = hash.GetBytes(); for (int i = 0; i < lastMarkerIndex; i++) { if (bytes[i] != 0xFF) { Assert.Fail(); break; } } Assert.AreEqual(127, bytes[lastMarkerIndex]); }