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Code Issues Releases Wiki Activity

fix content length serialization #33

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This commit is contained in:
Nikolay Kim 2018-01-02 13:39:32 -08:00
parent 9040f588af
commit b49eadf7e5
1 changed files with 28 additions and 9 deletions
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37
src/helpers.rs
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@ -309,16 +309,10 @@ pub(crate) fn write_content_length(mut n: usize, bytes: &mut BytesMut) {
let d1 = (n % 100) << 1; let d1 = (n % 100) << 1;
n /= 100; n /= 100;
unsafe {ptr::copy_nonoverlapping( unsafe {ptr::copy_nonoverlapping(
DEC_DIGITS_LUT.as_ptr().offset(d1 as isize), buf.as_mut_ptr().offset(18), 2)}; DEC_DIGITS_LUT.as_ptr().offset(d1 as isize), buf.as_mut_ptr().offset(19), 2)};
// decode last 1 or 2 chars // decode last 1
if n < 10 { buf[18] = (n as u8) + b'0';
buf[20] = (n as u8) + b'0';
} else {
let d1 = n << 1;
unsafe {ptr::copy_nonoverlapping(
DEC_DIGITS_LUT.as_ptr().offset(d1 as isize), buf.as_mut_ptr().offset(17), 2)};
}
bytes.extend_from_slice(&buf); bytes.extend_from_slice(&buf);
} else { } else {
@ -394,4 +388,29 @@ mod tests {
date(&mut buf2); date(&mut buf2);
assert_eq!(buf1, buf2); assert_eq!(buf1, buf2);
} }
#[test]
fn test_write_content_length() {
let mut bytes = BytesMut::new();
write_content_length(0, &mut bytes);
assert_eq!(bytes.take().freeze(), b"\r\ncontent-length: 0\r\n"[..]);
write_content_length(9, &mut bytes);
assert_eq!(bytes.take().freeze(), b"\r\ncontent-length: 9\r\n"[..]);
write_content_length(10, &mut bytes);
assert_eq!(bytes.take().freeze(), b"\r\ncontent-length: 10\r\n"[..]);
write_content_length(99, &mut bytes);
assert_eq!(bytes.take().freeze(), b"\r\ncontent-length: 99\r\n"[..]);
write_content_length(100, &mut bytes);
assert_eq!(bytes.take().freeze(), b"\r\ncontent-length: 100\r\n"[..]);
write_content_length(101, &mut bytes);
assert_eq!(bytes.take().freeze(), b"\r\ncontent-length: 101\r\n"[..]);
write_content_length(998, &mut bytes);
assert_eq!(bytes.take().freeze(), b"\r\ncontent-length: 998\r\n"[..]);
write_content_length(1000, &mut bytes);
assert_eq!(bytes.take().freeze(), b"\r\ncontent-length: 1000\r\n"[..]);
write_content_length(1001, &mut bytes);
assert_eq!(bytes.take().freeze(), b"\r\ncontent-length: 1001\r\n"[..]);
write_content_length(5909, &mut bytes);
assert_eq!(bytes.take().freeze(), b"\r\ncontent-length: 5909\r\n"[..]);
}
} }