use std::{ffi::OsStr, fs::read_dir, path::Path}; #[test] // Make sure that the files in compile_fail_tests fail to compile fn compile_fail_tests() { let t = trybuild::TestCases::new(); let dir_path = Path::new(env!("CARGO_MANIFEST_DIR")).join("compile_fail_tests"); let dir = read_dir(dir_path).unwrap(); for entry_result in dir { let entry = entry_result.unwrap(); if entry.file_type().unwrap().is_dir() || !matches!(entry.path().extension().and_then(OsStr::to_str), Some("rs")) { continue; } t.compile_fail(entry.path()); } }