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v/vlib/encoding/hex/hex_test.v

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module hex
fn test_decode() ? {
assert decode('')? == []
assert decode('0')? == [u8(0x0)]
assert decode('f')? == [u8(0xf)]
assert decode('0f')? == [u8(0x0f)]
assert decode('ff')? == [u8(0xff)]
assert decode('123')? == [u8(0x1), 0x23]
assert decode('1234')? == [u8(0x12), 0x34]
assert decode('12345')? == [u8(0x1), 0x23, 0x45]
assert decode('0123456789abcdef')? == [u8(0x01), 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef]
assert decode('123456789ABCDEF')? == [u8(0x01), 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef]
}
fn test_decode_fails() ? {
if x := decode('foo') {
return error('expected decode to fail, got $x')
}
if x := decode('g') {
return error('expected decode to fail, got $x')
}
if x := decode('000000000g') {
return error('expected decode to fail, got $x')
}
if x := decode('_') {
return error('expected decode to fail, got $x')
}
if x := decode('!') {
return error('expected decode to fail, got $x')
}
}
fn test_encode() ? {
assert encode(decode('')?) == ''
assert encode(decode('0')?) == '00'
assert encode(decode('f')?) == '0f'
assert encode(decode('0f')?) == '0f'
assert encode(decode('ff')?) == 'ff'
assert encode(decode('123')?) == '0123'
assert encode(decode('1234')?) == '1234'
assert encode(decode('12345')?) == '012345'
assert encode(decode('abcdef')?) == 'abcdef'
assert encode(decode('ABCDEF')?) == 'abcdef'
}
fn test_decode_0x() ? {
assert decode('0x')? == []
assert decode('0x0')? == [u8(0x0)]
assert decode('0X1234')? == [u8(0x12), 0x34]
assert decode('0x12345')? == [u8(0x1), 0x23, 0x45]
assert decode('0x0123456789abcdef')? == [u8(0x01), 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef]
assert decode('0X123456789ABCDEF')? == [u8(0x01), 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef]
}