rust/src/test/run-pass/packed-struct-size.rs
Alex Crichton ec7c800d2f Remove pretty-expanded from failing tests
This commit removes pretty-expanded from all tests that wind up calling panic!
one way or another now that its internals are unstable.
2015-04-08 17:21:34 -07:00

67 lines
1.3 KiB
Rust

// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
use std::mem;
#[repr(packed)]
struct S4 {
a: u8,
b: [u8; 3],
}
#[repr(packed)]
struct S5 {
a: u8,
b: u32
}
#[repr(packed)]
struct S13 {
a: i64,
b: f32,
c: u8,
}
enum Foo {
Bar = 1,
Baz = 2
}
#[repr(packed)]
struct S3_Foo {
a: u8,
b: u16,
c: Foo
}
#[repr(packed)]
struct S7_Option {
a: f32,
b: u8,
c: u16,
d: Option<Box<f64>>
}
// Placing packed structs in statics should work
static TEST_S4: S4 = S4 { a: 1, b: [2, 3, 4] };
static TEST_S5: S5 = S5 { a: 3, b: 67 };
static TEST_S3_Foo: S3_Foo = S3_Foo { a: 1, b: 2, c: Foo::Baz };
pub fn main() {
assert_eq!(mem::size_of::<S4>(), 4);
assert_eq!(mem::size_of::<S5>(), 5);
assert_eq!(mem::size_of::<S13>(), 13);
assert_eq!(mem::size_of::<S3_Foo>(), 3 + mem::size_of::<Foo>());
assert_eq!(mem::size_of::<S7_Option>(), 7 + mem::size_of::<Option<Box<f64>>>());
}