use cargo_test_support::curr_dir; use cargo_test_support::prelude::*; #[cargo_test] fn case() { snapbox::cmd::Command::cargo_ui() .arg("rustc") .arg("--help") .assert() .success() .stdout_matches_path(curr_dir!().join("stdout.log")) .stderr_matches_path(curr_dir!().join("stderr.log")); }