79 lines
2.1 KiB
Rust
79 lines
2.1 KiB
Rust
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// Copyright 2026 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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#![no_implicit_prelude]
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#![allow(dead_code, non_snake_case, non_camel_case_types, non_upper_case_globals)]
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include!("include.rs");
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// Original reproducer from #2915
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#[derive(imp::TryFromBytes)]
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#[zerocopy(crate = "zerocopy_renamed")]
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#[repr(u8)]
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enum MyEnum {
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Type,
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OtherWithData(u8),
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}
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// Tests for all other associated types which may be problematic in our codebase
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// as of this commit.
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#[derive(imp::FromBytes, imp::IntoBytes, imp::Unaligned, imp::Immutable, imp::KnownLayout)]
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#[zerocopy(crate = "zerocopy_renamed")]
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#[repr(C)]
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pub struct StructCollision {
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pub Type: u8,
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pub LAYOUT: u8,
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pub PointerMetadata: u8,
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pub Tag: u8,
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pub tag: u8,
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pub variants: u8,
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}
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impl StructCollision {
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pub const Type: () = ();
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pub const LAYOUT: () = ();
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pub const PointerMetadata: () = ();
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}
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#[derive(imp::FromZeros, imp::Immutable, imp::KnownLayout)]
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#[zerocopy(crate = "zerocopy_renamed")]
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#[repr(C)]
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pub enum EnumCollision {
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Type { x: u8 },
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LAYOUT { x: u8 },
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PointerMetadata { x: u8 },
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Tag { x: u8 },
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tag { x: u8 },
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variants { x: u8 },
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}
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// Case where generic parameter has associated type colliding with internal usage
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pub trait AmbiguousTrait {
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type Type;
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const LAYOUT: usize;
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type PointerMetadata;
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}
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#[derive(imp::FromBytes, imp::IntoBytes, imp::Unaligned, imp::Immutable, imp::KnownLayout)]
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#[zerocopy(crate = "zerocopy_renamed")]
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#[repr(C)]
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pub struct GenericCollision<T: AmbiguousTrait> {
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pub field: u8,
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pub typ: T::Type,
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pub pointer_metadata: T::PointerMetadata,
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pub _marker: imp::PhantomData<T>,
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}
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#[test]
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fn test_compilation() {
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// If the derives compile, we are good.
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let _ = StructCollision { Type: 0, LAYOUT: 0, PointerMetadata: 0, Tag: 0, tag: 0, variants: 0 };
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let _ = EnumCollision::Type { x: 0 };
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}
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