public void Should_parse_integer_to_bytes()
{
// Arrange
var asn1Input = new[]
{
new byte[] {2, 1, 0},
new byte[] {2, 1, 127},
new byte[] {2, 2, 0, 127},
new byte[] {2, 2, 0, 128},
new byte[] {2, 3, 1, 0, 0},
new byte[] {2, 0},
new byte[] {2, 7, 0, 165, 163, 214, 2, 169, 62}
}.Select(b => new MemoryStream(b));
var expectedParsedValues = new[]
{
new byte[] {0},
new byte[] {127},
new byte[] {0, 127},
new byte[] {128},
new byte[] {1, 0, 0},
new byte[0],
new byte[] {165, 163, 214, 2, 169, 62} //TODO as far as I undertand, it is correct that the parser removes the leading zero here. However, when parsing a PEM this must be taken into account and the parser must pad the parsed value with a leading zero
};
var sut = new Asn1Parser();
// Act
var result = asn1Input.SelectMany(sut.Parse).Cast<Integer>().Select(i => i.UnencodedValue).ToArray();
// Assert
result.Length.Should().Be(expectedParsedValues.Length);
for (int i = 0; i < expectedParsedValues.Length; i++)
{
result[i].Should().Equal(expectedParsedValues[i]);
}
}
