public void Throw_If_Bad_Input()
{
// arrange
var builder = new ByteArrayBuilder();
Action badInput = () => builder.AppdendHexString("hello");
Action wrongLength = () => builder.AppdendHexString("0x123");
// act
// assert
badInput.Should().Throw <FormatException>("Only hex characters and x are allowed");
wrongLength.Should().Throw <FormatException>("Bytes must all come in pairs");
}
public void Append_Hex_String_Appropriately()
{
// arrange
var builder = new ByteArrayBuilder();
var expected = new byte[] { 0x00, 0x11, 0x22, 0x33, 0x44 };
// act
builder.AppdendHexString("0x001122");
builder.AppdendHexString("3344");
builder.AppdendHexString("");
var bytes = builder.Build();
// assert
bytes.Should().Equal(expected);
}
public void Reverse_Correctly()
{
var builder = new ByteArrayBuilder();
builder.AppdendHexString("123456").Reverse().Build().SequenceEqual(new byte[] { 0x56, 0x34, 0x12 }).Should()
.BeTrue();
}