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| author | Albert Larsan <74931857+albertlarsan68@users.noreply.github.com> | 2023-01-05 09:13:28 +0100 |
|---|---|---|
| committer | Albert Larsan <74931857+albertlarsan68@users.noreply.github.com> | 2023-01-11 09:32:08 +0000 |
| commit | cf2dff2b1e3fa55fa5415d524200070d0d7aacfe (patch) | |
| tree | 40a88d9a46aaf3e8870676eb2538378b75a263eb /tests/ui/packed/packed-struct-vec.rs | |
| parent | ca855e6e42787ecd062d81d53336fe6788ef51a9 (diff) | |
| download | rust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.tar.gz rust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.zip | |
Move /src/test to /tests
Diffstat (limited to 'tests/ui/packed/packed-struct-vec.rs')
| -rw-r--r-- | tests/ui/packed/packed-struct-vec.rs | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/tests/ui/packed/packed-struct-vec.rs b/tests/ui/packed/packed-struct-vec.rs new file mode 100644 index 00000000000..18676cfc22e --- /dev/null +++ b/tests/ui/packed/packed-struct-vec.rs @@ -0,0 +1,120 @@ +// run-pass + +use std::fmt; +use std::mem; + +#[repr(packed)] +#[derive(Copy, Clone)] +struct Foo1 { + bar: u8, + baz: u64 +} + +impl PartialEq for Foo1 { + fn eq(&self, other: &Foo1) -> bool { + self.bar == other.bar && self.baz == other.baz + } +} + +impl fmt::Debug for Foo1 { + fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { + let bar = self.bar; + let baz = self.baz; + + f.debug_struct("Foo1") + .field("bar", &bar) + .field("baz", &baz) + .finish() + } +} + +#[repr(packed(2))] +#[derive(Copy, Clone)] +struct Foo2 { + bar: u8, + baz: u64 +} + +impl PartialEq for Foo2 { + fn eq(&self, other: &Foo2) -> bool { + self.bar == other.bar && self.baz == other.baz + } +} + +impl fmt::Debug for Foo2 { + fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { + let bar = self.bar; + let baz = self.baz; + + f.debug_struct("Foo2") + .field("bar", &bar) + .field("baz", &baz) + .finish() + } +} + +#[repr(C, packed(4))] +#[derive(Copy, Clone)] +struct Foo4C { + bar: u8, + baz: u64 +} + +impl PartialEq for Foo4C { + fn eq(&self, other: &Foo4C) -> bool { + self.bar == other.bar && self.baz == other.baz + } +} + +impl fmt::Debug for Foo4C { + fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { + let bar = self.bar; + let baz = self.baz; + + f.debug_struct("Foo4C") + .field("bar", &bar) + .field("baz", &baz) + .finish() + } +} + +pub fn main() { + let foo1s = [Foo1 { bar: 1, baz: 2 }; 10]; + + assert_eq!(mem::align_of::<[Foo1; 10]>(), 1); + assert_eq!(mem::size_of::<[Foo1; 10]>(), 90); + + for i in 0..10 { + assert_eq!(foo1s[i], Foo1 { bar: 1, baz: 2}); + } + + for &foo in &foo1s { + assert_eq!(foo, Foo1 { bar: 1, baz: 2 }); + } + + let foo2s = [Foo2 { bar: 1, baz: 2 }; 10]; + + assert_eq!(mem::align_of::<[Foo2; 10]>(), 2); + assert_eq!(mem::size_of::<[Foo2; 10]>(), 100); + + for i in 0..10 { + assert_eq!(foo2s[i], Foo2 { bar: 1, baz: 2}); + } + + for &foo in &foo2s { + assert_eq!(foo, Foo2 { bar: 1, baz: 2 }); + } + + let foo4s = [Foo4C { bar: 1, baz: 2 }; 10]; + + assert_eq!(mem::align_of::<[Foo4C; 10]>(), 4); + assert_eq!(mem::size_of::<[Foo4C; 10]>(), 120); + + for i in 0..10 { + assert_eq!(foo4s[i], Foo4C { bar: 1, baz: 2}); + } + + for &foo in &foo4s { + assert_eq!(foo, Foo4C { bar: 1, baz: 2 }); + } +} |
