use trybuild::TestCases; use version_check as rustc; #[cfg_attr(not(windows), test)] fn ui() { let t = TestCases::new(); t.compile_fail("tests/ui/*.rs"); if rustc::is_min_version("1.54").unwrap() { t.compile_fail("tests/ui/since_1_54/*.rs"); } else { t.compile_fail("tests/ui/before_1_54/*.rs"); } }