ref: a6b13e22bbb7cbeeae4cffa335ac04065a90f6db
dir: /libbio/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]
	match bio.create("tmpout/test-write", bio.Wr, 0o644)
	| `std.Some bio:	f = bio
	| `std.None:	std.fatal(1, "Unable to open data file")
	;;
	/* 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);
}