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Test cases for issue #20055.

Browse source 
Note that I have not yet managed to expose any bug in
`trans::expr::into_fat_ptr`; it would be good to try to do so (or show
that the use of `.to_lvalue_datum` there is sound).
This commit is contained in:
Felix S. Klock II 2015-01-27 18:20:43 +01:00
parent 326443105b
commit 5b66c6dfa4
2 changed files with 73 additions and 0 deletions
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40
src/test/run-pass/issue-20055-box-trait.rs Normal file
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// Copyright 2015 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.
trait Boo { }
impl Boo for [i8; 1] { }
impl Boo for [i8; 2] { }
impl Boo for [i8; 3] { }
impl Boo for [i8; 4] { }
pub fn foo(box_1: fn () -> Box<[i8; 1]>,
box_2: fn () -> Box<[i8; 20]>,
box_3: fn () -> Box<[i8; 300]>,
box_4: fn () -> Box<[i8; 4000]>,
) {
println!("Hello World 1");
let _: Box<[i8]> = match 3 {
1 => box_1(),
2 => box_2(),
3 => box_3(),
_ => box_4(),
};
println!("Hello World 2");
}
pub fn main() {
fn box_1() -> Box<[i8; 1]> { Box::new( [1i8] ) }
fn box_2() -> Box<[i8; 20]> { Box::new( [1i8; 20] ) }
fn box_3() -> Box<[i8; 300]> { Box::new( [1i8; 300] ) }
fn box_4() -> Box<[i8; 4000]> { Box::new( [1i8; 4000] ) }
foo(box_1, box_2, box_3, box_4);
}

33
src/test/run-pass/issue-20055-box-unsized-array.rs Normal file
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// Copyright 2015 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.
pub fn foo(box_1: fn () -> Box<[i8; 1]>,
box_2: fn () -> Box<[i8; 20]>,
box_3: fn () -> Box<[i8; 300]>,
box_4: fn () -> Box<[i8; 4000]>,
) {
println!("Hello World 1");
let _: Box<[i8]> = match 3 {
1 => box_1(),
2 => box_2(),
3 => box_3(),
_ => box_4(),
};
println!("Hello World 2");
}
pub fn main() {
fn box_1() -> Box<[i8; 1]> { Box::new( [1i8] ) }
fn box_2() -> Box<[i8; 20]> { Box::new( [1i8; 20] ) }
fn box_3() -> Box<[i8; 300]> { Box::new( [1i8; 300] ) }
fn box_4() -> Box<[i8; 4000]> { Box::new( [1i8; 4000] ) }
foo(box_1, box_2, box_3, box_4);
}