ref: dfc145534768f3b461d92c929931bb3b48237bdb
dir: /lib/bio/test/bio-write.myr/
use std
use bio
const main = {
var i
var f
/* Must be bigger than a bio buffer (ie, > 64k) */
var buf : byte[64*1024]
std.mkpath("tmpout")
match bio.create("tmpout/test-write", bio.Wr, 0o644)
| `std.Ok bio: f = bio
| `std.Err m: std.fatal("Unable to open data file: {}", m)
;;
/* write a 5 byte chunk */
bio.write(f, "test\n")
/* again */
bio.write(f, "test\n")
/* write a 64k chunk */
for i = 0; i < 64*1024; i++
buf[i] = 0x31
;;
bio.write(f, buf[:])
/* final message after a big burst */
bio.write(f, "goodbye\n")
bio.flush(f)
/* and test for flush on close */
bio.close(f);
}