public void ShouldNumCorrectly(string xStr, int expected)
{
var x = new BitString(MsbLsbConversionHelpers.GetBitArrayFromStringOf1sAnd0s(xStr).Reverse());
var result = _subject.Num(x);
Assert.AreEqual((BigInteger)expected, result);
}
public void ShouldCorrectlyInc_s(int s, string onesAndZeroes, string expectationOnesAndZeroes)
{
BitString X = new BitString(MsbLsbConversionHelpers.GetBitArrayFromStringOf1sAnd0s(onesAndZeroes));
BitString expectation = new BitString(MsbLsbConversionHelpers.GetBitArrayFromStringOf1sAnd0s(expectationOnesAndZeroes));
var result = _subject.inc_s(s, X);
Assert.AreEqual(expectation, result);
}
public void ShouldReturnBitStringInCorrectOrderLt8Characters(string testString)
{
var expectation = testString.Reverse().ToArray();
var result = MsbLsbConversionHelpers.GetBitArrayFromStringOf1sAnd0s(testString);
var bs = new BitString(result);
Assert.AreEqual(expectation, bs.ToString());
}
public void ShouldReturnJ0With96BitIvWithNoExternalCalls(string hString, string ivString, string expectedString)
{
BitString h = new BitString(MsbLsbConversionHelpers.GetBitArrayFromStringOf1sAnd0s(hString));
BitString iv = new BitString(MsbLsbConversionHelpers.GetBitArrayFromStringOf1sAnd0s(ivString));
BitString expectedJ0 = new BitString(MsbLsbConversionHelpers.GetBitArrayFromStringOf1sAnd0s(expectedString));
var result = _mockSubject.Object.Getj0(h, iv);
Assert.AreEqual(expectedJ0, result, nameof(expectedJ0));
_mockSubject.Verify(
v => v.GHash(It.IsAny <BitString>(), It.IsAny <BitString>()),
Times.Never,
nameof(_mockSubject.Object.GHash)
);
}
public void ShouldInvokeGHashWithAppropriateValuesWhenIvNot96Bits(string hString, string ivString)
{
BitString h = new BitString(MsbLsbConversionHelpers.GetBitArrayFromStringOf1sAnd0s(hString));
BitString iv = new BitString(MsbLsbConversionHelpers.GetBitArrayFromStringOf1sAnd0s(ivString));
BitString fakeGHashReturn = new BitString(5);
_mockSubject
.Setup(s => s.GHash(It.IsAny <BitString>(), It.IsAny <BitString>()))
.Returns(fakeGHashReturn);
var result = _mockSubject.Object.Getj0(h, iv);
var expectedS = 128 * 96 - iv.BitLength;
var expectedX = iv.ConcatenateBits(new BitString(new BitArray(expectedS + 64))).ConcatenateBits(BitString.To64BitString(iv.BitLength));
Assert.AreEqual(fakeGHashReturn, result, nameof(result));
_mockSubject.Verify(
v => v.GHash(It.IsAny <BitString>(), It.IsAny <BitString>()),
Times.Once,
nameof(_mockSubject.Object.GHash)
);
}
public void ShouldConvertToInt(string bitsAsZeroesAndOnes, int expectedInt)
{
var bArray = MsbLsbConversionHelpers.GetBitArrayFromStringOf1sAnd0s(bitsAsZeroesAndOnes);
Assert.AreEqual(expectedInt, bArray.ToInt());
}
public void ShouldThrowArgumentExceptionWhenStringContainsCharactersBesidesSpaceZeroAndOne(string testString)
{
Assert.Throws(
typeof(ArgumentException),
() => MsbLsbConversionHelpers.GetBitArrayFromStringOf1sAnd0s(testString));
}
public void ShouldThrowArgumentNullExceptionWhenStringNullOrEmpty(string testString)
{
Assert.Throws(
typeof(ArgumentNullException),
() => MsbLsbConversionHelpers.GetBitArrayFromStringOf1sAnd0s(testString));
}
