use nu_test_support::{nu, pipeline}; #[test] fn fails_when_first_arg_is_multiple_chars() { let actual = nu!( cwd: ".", pipeline( r#" seq char aa z "# )); assert!(actual.err.contains("should be 1 character long")); } #[test] fn fails_when_second_arg_is_multiple_chars() { let actual = nu!( cwd: ".", pipeline( r#" seq char a zz "# )); assert!(actual.err.contains("should be 1 character long")); }