mirror of
https://github.com/vlang/v.git
synced 2023-08-10 21:13:21 +03:00
55 lines
1.7 KiB
V
55 lines
1.7 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_decode_0x() ? {
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assert decode('0x') ? == []
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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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