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Diffstat (limited to '')
-rw-r--r-- | third_party/rust/zerocopy-derive/tests/ui-nightly/mid_compile_pass.rs | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/third_party/rust/zerocopy-derive/tests/ui-nightly/mid_compile_pass.rs b/third_party/rust/zerocopy-derive/tests/ui-nightly/mid_compile_pass.rs new file mode 100644 index 0000000000..e0c4bc578d --- /dev/null +++ b/third_party/rust/zerocopy-derive/tests/ui-nightly/mid_compile_pass.rs @@ -0,0 +1,61 @@ +// Copyright 2023 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. + +extern crate zerocopy; + +use zerocopy::KnownLayout; + +fn main() {} + +// These tests cause errors which are generated by a later compilation pass than +// the other errors we generate, and so if they're compiled in the same file, +// the compiler will never get to that pass, and so we won't get the errors. + +// +// KnownLayout errors +// + +fn assert_kl<T: ?Sized + KnownLayout>(_: &T) {} + +// | `repr(C)`? | generic? | `KnownLayout`? | `Sized`? | Type Name | +// | N | Y | N | N | KL04 | +#[derive(KnownLayout)] +struct KL04<T: ?Sized>(u8, T); + +fn test_kl04<T: ?Sized>(kl: &KL04<T>) { + assert_kl(kl); +} + +// | `repr(C)`? | generic? | `KnownLayout`? | `Sized`? | Type Name | +// | N | Y | Y | N | KL06 | +#[derive(KnownLayout)] +struct KL06<T: ?Sized + KnownLayout>(u8, T); + +fn test_kl06<T: ?Sized + KnownLayout>(kl: &KL06<T>) { + assert_kl(kl); +} + +// | `repr(C)`? | generic? | `KnownLayout`? | `Sized`? | Type Name | +// | Y | Y | N | N | KL12 | +#[derive(KnownLayout)] +#[repr(C)] +struct KL12<T: ?Sized>(u8, T); + +fn test_kl12<T: ?Sized>(kl: &KL12<T>) { + assert_kl(kl) +} + +// | `repr(C)`? | generic? | `KnownLayout`? | `Sized`? | Type Name | +// | Y | Y | N | Y | KL13 | +#[derive(KnownLayout)] +#[repr(C)] +struct KL13<T>(u8, T); + +fn test_kl13<T>(t: T) -> impl KnownLayout { + KL13(0u8, t) +} |