use super::Writers;
#[test]
fn writers_new_holds_two_streams_and_writes_independently() {
let mut out = Vec::new();
let mut err = Vec::new();
{
let w = Writers::new(&mut out, &mut err);
let _ = writeln!(w.out, "hello stdout");
let _ = writeln!(w.err, "hello stderr");
}
assert_eq!(out, b"hello stdout\n");
assert_eq!(err, b"hello stderr\n");
}
#[test]
fn writers_out_and_err_are_independent_buffers() {
let mut out = Vec::new();
let mut err = Vec::new();
{
let w = Writers::new(&mut out, &mut err);
let _ = w.out.write_all(b"A");
let _ = w.err.write_all(b"B");
let _ = w.out.write_all(b"C");
}
assert_eq!(out, b"AC");
assert_eq!(err, b"B");
}