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-rw-r--r--vendor/bytemuck/tests/doc_tests.rs123
1 files changed, 0 insertions, 123 deletions
diff --git a/vendor/bytemuck/tests/doc_tests.rs b/vendor/bytemuck/tests/doc_tests.rs
deleted file mode 100644
index d08e970..0000000
--- a/vendor/bytemuck/tests/doc_tests.rs
+++ /dev/null
@@ -1,123 +0,0 @@
-#![allow(clippy::disallowed_names)]
-
-//! Cargo miri doesn't run doctests yet, so we duplicate these here. It's
-//! probably not that important to sweat keeping these perfectly up to date, but
-//! we should try to catch the cases where the primary tests are doctests.
-use bytemuck::*;
-
-// Miri doesn't run on doctests, so... copypaste to the rescue.
-#[test]
-fn test_transparent_slice() {
- #[repr(transparent)]
- struct Slice<T>([T]);
-
- unsafe impl<T> TransparentWrapper<[T]> for Slice<T> {}
-
- let s = Slice::wrap_ref(&[1u32, 2, 3]);
- assert_eq!(&s.0, &[1, 2, 3]);
-
- let mut buf = [1, 2, 3u8];
- let _sm = Slice::wrap_mut(&mut buf);
-}
-
-#[test]
-fn test_transparent_basic() {
- #[derive(Default)]
- struct SomeStruct(u32);
-
- #[repr(transparent)]
- struct MyWrapper(SomeStruct);
-
- unsafe impl TransparentWrapper<SomeStruct> for MyWrapper {}
-
- // interpret a reference to &SomeStruct as a &MyWrapper
- let thing = SomeStruct::default();
- let wrapped_ref: &MyWrapper = MyWrapper::wrap_ref(&thing);
-
- // Works with &mut too.
- let mut mut_thing = SomeStruct::default();
- let wrapped_mut: &mut MyWrapper = MyWrapper::wrap_mut(&mut mut_thing);
- let _ = (wrapped_ref, wrapped_mut);
-}
-
-// Work around miri not running doctests
-#[test]
-fn test_contiguous_doc() {
- #[repr(u8)]
- #[derive(Debug, Copy, Clone, PartialEq)]
- enum Foo {
- A = 0,
- B = 1,
- C = 2,
- D = 3,
- E = 4,
- }
- unsafe impl Contiguous for Foo {
- type Int = u8;
- const MIN_VALUE: u8 = Foo::A as u8;
- const MAX_VALUE: u8 = Foo::E as u8;
- }
-
- assert_eq!(Foo::from_integer(3).unwrap(), Foo::D);
- assert_eq!(Foo::from_integer(8), None);
- assert_eq!(Foo::C.into_integer(), 2);
- assert_eq!(Foo::B.into_integer(), Foo::B as u8);
-}
-
-#[test]
-fn test_offsetof_vertex() {
- #[repr(C)]
- struct Vertex {
- pos: [f32; 2],
- uv: [u16; 2],
- color: [u8; 4],
- }
- unsafe impl Zeroable for Vertex {}
-
- let pos = offset_of!(Zeroable::zeroed(), Vertex, pos);
- let uv = offset_of!(Zeroable::zeroed(), Vertex, uv);
- let color = offset_of!(Zeroable::zeroed(), Vertex, color);
-
- assert_eq!(pos, 0);
- assert_eq!(uv, 8);
- assert_eq!(color, 12);
-}
-
-#[test]
-fn test_offsetof_nonpod() {
- #[derive(Default)]
- struct Foo {
- a: u8,
- b: &'static str,
- c: i32,
- }
-
- let a_offset = offset_of!(Default::default(), Foo, a);
- let b_offset = offset_of!(Default::default(), Foo, b);
- let c_offset = offset_of!(Default::default(), Foo, c);
-
- assert_ne!(a_offset, b_offset);
- assert_ne!(b_offset, c_offset);
- // We can't check against hardcoded values for a repr(Rust) type,
- // but prove to ourself this way.
-
- let foo = Foo::default();
- // Note: offsets are in bytes.
- let as_bytes = &foo as *const _ as *const u8;
-
- // We're using wrapping_offset here because it's not worth
- // the unsafe block, but it would be valid to use `add` instead,
- // as it cannot overflow.
- assert_eq!(
- &foo.a as *const _ as usize,
- as_bytes.wrapping_add(a_offset) as usize
- );
- assert_eq!(
- &foo.b as *const _ as usize,
- as_bytes.wrapping_add(b_offset) as usize
- );
- assert_eq!(
- &foo.c as *const _ as usize,
- as_bytes.wrapping_add(c_offset) as usize
- );
-}