34 lines
1.2 KiB
Rust
34 lines
1.2 KiB
Rust
// Copyright 2025 The Fuchsia Authors
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//
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// Licensed under a BSD-style license <LICENSE-BSD>, Apache License, Version 2.0
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// <LICENSE-APACHE or https://www.apache.org/licenses/LICENSE-2.0>, or the MIT
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// license <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your option.
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// This file may not be copied, modified, or distributed except according to
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// those terms.
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// See comment in `include.rs` for why we disable the prelude.
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#![no_implicit_prelude]
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#![allow(warnings)]
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include!("include.rs");
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// Test to make sure that all of our derives are compatible with `UnsafeCell`s.
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//
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// We test both `FromBytes` and `FromZeros`, as the `FromBytes` implied derive
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// of `TryFromBytes` emits a trivial `is_bit_valid` impl - we want to test the
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// non-trivial impl, which deriving `FromZeros` accomplishes.
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#[derive(imp::FromBytes, imp::IntoBytes, imp::KnownLayout, imp::Unaligned)]
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#[repr(C)]
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struct StructFromBytes(imp::UnsafeCell<u8>);
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#[derive(imp::FromZeros, imp::IntoBytes, imp::KnownLayout, imp::Unaligned)]
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#[repr(C)]
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struct StructFromZeros(imp::UnsafeCell<bool>);
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#[derive(imp::FromZeros, imp::IntoBytes, imp::KnownLayout, imp::Unaligned)]
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#[repr(u8)]
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enum EnumFromZeros {
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A(imp::UnsafeCell<bool>),
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}
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