76 lines
2.2 KiB
V
76 lines
2.2 KiB
V
module hex
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fn test_decode() {
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assert decode('')! == []
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assert decode('0')! == [u8(0x0)]
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assert decode('f')! == [u8(0xf)]
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assert decode('0f')! == [u8(0x0f)]
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assert decode('ff')! == [u8(0xff)]
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assert decode('123')! == [u8(0x1), 0x23]
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assert decode('1234')! == [u8(0x12), 0x34]
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assert decode('12345')! == [u8(0x1), 0x23, 0x45]
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assert decode('0123456789abcdef')! == [u8(0x01), 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef]
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assert decode('123456789ABCDEF')! == [u8(0x01), 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef]
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}
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fn test_decode_fails() ! {
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if x := decode('foo') {
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return error('expected decode to fail, got ${x}')
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}
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if x := decode('g') {
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return error('expected decode to fail, got ${x}')
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}
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if x := decode('000000000g') {
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return error('expected decode to fail, got ${x}')
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}
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if x := decode('_') {
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return error('expected decode to fail, got ${x}')
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}
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if x := decode('!') {
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return error('expected decode to fail, got ${x}')
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}
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}
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fn test_encode() {
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assert encode(decode('')!) == ''
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assert encode(decode('0')!) == '00'
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assert encode(decode('f')!) == '0f'
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assert encode(decode('0f')!) == '0f'
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assert encode(decode('ff')!) == 'ff'
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assert encode(decode('123')!) == '0123'
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assert encode(decode('1234')!) == '1234'
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assert encode(decode('12345')!) == '012345'
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assert encode(decode('abcdef')!) == 'abcdef'
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assert encode(decode('ABCDEF')!) == 'abcdef'
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}
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fn test_encode_params() {
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assert encode([u8(0xab), 0xcd], uppercase: true) == 'ABCD'
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assert encode([u8(0xab), 0xcd], with_prefix: '0x') == '0xabcd'
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assert encode([u8(0xab), 0xcd], uppercase: true, with_prefix: '0X') == '0XABCD'
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assert encode([u8(0xab), 0xcd], with_prefix: 'hex:') == 'hex:abcd'
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}
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fn test_decode_0x() {
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assert decode('0x') or { []u8{} } == []u8{}
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assert decode('0x0')! == [u8(0x0)]
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assert decode('0X1234')! == [u8(0x12), 0x34]
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assert decode('0x12345')! == [u8(0x1), 0x23, 0x45]
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assert decode('0x0123456789abcdef')! == [u8(0x01), 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef]
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assert decode('0X123456789ABCDEF')! == [u8(0x01), 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef]
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}
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fn test_decode_error_indexes() {
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decode('g') or {
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assert err.msg() == 'invalid hex char g at index 0'
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return
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}
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assert false
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decode('0xg') or {
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assert err.msg() == 'invalid hex char g at index 2'
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return
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}
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assert false
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}
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