// Copyright 2019 The Fuchsia Authors // // Licensed under a BSD-style license <LICENSE-BSD>, Apache License, Version 2.0 // <LICENSE-APACHE or https://www.apache.org/licenses/LICENSE-2.0>, or the MIT // license <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your option. // This file may not be copied, modified, or distributed except according to // those terms.
#![allow(clippy::uninlined_format_args)]
use std::env;
use testutil::set_rustflags_w_warnings;
fn test(subdir: &str) { let version = testutil::ToolchainVersion::extract_from_pwd().unwrap(); // See the doc comment on this method for an explanation of what this does // and why we store source files in different directories. let source_files_dirname = version.get_ui_source_files_dirname_and_maybe_print_warning();
// Set `-Wwarnings` in the `RUSTFLAGS` environment variable to ensure that // `.stderr` files reflect what the typical user would encounter.
set_rustflags_w_warnings();
let t = trybuild::TestCases::new();
t.compile_fail(format!("tests/{}/{}/*.rs", source_files_dirname, subdir));
}
// This tests the behavior when `--cfg zerocopy_derive_union_into_bytes` is // not present, so remove it. If this logic is wrong, that's fine - it will // exhibit as a test failure that we can debug at that point. let rustflags = env::var("RUSTFLAGS").unwrap(); let new_rustflags = rustflags.replace("--cfg zerocopy_derive_union_into_bytes", "");
// SAFETY: None of our code is concurrently accessinv env vars. It's // possible that the test framework has spawned other threads that are // concurrently accessing env vars, but we can't do anything about that. #[allow(unused_unsafe)] // `set_var` is safe on our MSRV. unsafe {
env::set_var("RUSTFLAGS", new_rustflags)
};
test("union_into_bytes_cfg");
// Reset RUSTFLAGS in case we later add other tests which rely on its value. // This isn't strictly necessary, but it's easier to add this now when we're // thinking about the semantics of these env vars than to debug later when // we've forgotten about it. // // SAFETY: See previous safety comment. #[allow(unused_unsafe)] // `set_var` is safe on our MSRV. unsafe {
env::set_var("RUSTFLAGS", rustflags)
};
}
Messung V0.5 in Prozent
¤ Dauer der Verarbeitung: 0.16 Sekunden
(vorverarbeitet am 2026-08-27)
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