v2 / vlib / encoding / hex / hex_test.v
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1module hex


2


3fn test_decode() {


4    assert decode('')! == []


5    assert decode('0')! == [u8(0x0)]


6    assert decode('f')! == [u8(0xf)]


7    assert decode('0f')! == [u8(0x0f)]


8    assert decode('ff')! == [u8(0xff)]


9    assert decode('123')! == [u8(0x1), 0x23]


10    assert decode('1234')! == [u8(0x12), 0x34]


11    assert decode('12345')! == [u8(0x1), 0x23, 0x45]


12    assert decode('0123456789abcdef')! == [u8(0x01), 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef]


13    assert decode('123456789ABCDEF')! == [u8(0x01), 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef]


14}


15


16fn test_decode_fails() ! {


17    if x := decode('foo') {


18        return error('expected decode to fail, got ${x}')


19    }


20    if x := decode('g') {


21        return error('expected decode to fail, got ${x}')


22    }


23    if x := decode('000000000g') {


24        return error('expected decode to fail, got ${x}')


25    }


26    if x := decode('_') {


27        return error('expected decode to fail, got ${x}')


28    }


29    if x := decode('!') {


30        return error('expected decode to fail, got ${x}')


31    }


32}


33


34fn test_encode() {


35    assert encode(decode('')!) == ''


36    assert encode(decode('0')!) == '00'


37    assert encode(decode('f')!) == '0f'


38    assert encode(decode('0f')!) == '0f'


39    assert encode(decode('ff')!) == 'ff'


40    assert encode(decode('123')!) == '0123'


41    assert encode(decode('1234')!) == '1234'


42    assert encode(decode('12345')!) == '012345'


43    assert encode(decode('abcdef')!) == 'abcdef'


44    assert encode(decode('ABCDEF')!) == 'abcdef'


45}


46


47fn test_decode_0x() {


48    assert decode('0x')! == []


49    assert decode('0x0')! == [u8(0x0)]


50    assert decode('0X1234')! == [u8(0x12), 0x34]


51    assert decode('0x12345')! == [u8(0x1), 0x23, 0x45]


52    assert decode('0x0123456789abcdef')! == [u8(0x01), 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef]


53    assert decode('0X123456789ABCDEF')! == [u8(0x01), 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef]


54}


55