121 lines
2.4 KiB
Rust
121 lines
2.4 KiB
Rust
//@ 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 });
|
|
}
|
|
}
|