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v/vlib/net/conv/conv_test.v

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import net.conv
2021-10-02 15:51:41 +03:00
fn check<T>(f fn (a T) T, finv fn (b T) T, x T) {
a := f(x)
b := finv(a)
assert b == x
// eprintln('> x: ${x:10} | a: ${a:10} | b: ${b:10}')
$if little_endian {
assert a != b
}
$if big_endian {
assert a == b
}
}
fn test_htn64_nth64() {
assert 0 == conv.htn64(0)
assert 0 == conv.nth64(0)
assert 0xFFFF_FFFF_FFFF_FFFF == conv.nth64(0xFFFF_FFFF_FFFF_FFFF)
assert 0xFFFF_FFFF_FFFF_FFFF == conv.htn64(0xFFFF_FFFF_FFFF_FFFF)
for x in [u64(1), 2, 128, 65536, 2147483648] {
check(conv.htn64, conv.nth64, x)
}
}
fn test_htn32_nth32() {
assert 0 == conv.htn32(0)
assert 0 == conv.nth32(0)
assert 0xFFFF_FFFF == conv.nth32(0xFFFF_FFFF)
assert 0x0101_0101 == conv.htn32(0x0101_0101)
for x in [u32(1), 2, 128, 65536, 2147483648] {
check(conv.htn32, conv.nth32, x)
}
}
fn test_htn16_nth16() {
assert 0 == conv.htn16(0)
assert 0 == conv.nth16(0)
assert 0xFFFF == conv.nth16(0xFFFF)
assert 0x0101 == conv.htn16(0x0101)
for x in [u16(1), 2, 128, 65534] {
check(conv.htn16, conv.nth16, x)
}
}