nushell/crates/nu-command/tests/commands/loop_.rs

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use nu_test_support::nu;
#[test]
fn loop_auto_print_in_each_iteration() {
let actual = nu!(
cwd: ".",
r#"
mut total = 0;
loop {
if $total == 3 {
break;
} else {
$total += 1;
}
echo 1
}"#
);
// Note: nu! macro auto repalce "\n" and "\r\n" with ""
// so our output will be `111`
// that's ok, our main concern is it auto print value in each iteration.
assert_eq!(actual.out, "111");
}
#[test]
fn loop_break_on_external_failed() {
let actual = nu!(
cwd: ".",
r#"
mut total = 0;
loop {
if $total == 3 {
break;
} else {
$total += 1;
}
echo 1;
nu --testbin fail;
}"#
);
// Note: nu! macro auto repalce "\n" and "\r\n" with ""
// so our output will be `1`.
assert_eq!(actual.out, "1");
}