diff --git a/src/test/compile-fail/move-out-of-array-1.rs b/src/test/compile-fail/move-out-of-array-1.rs new file mode 100644 index 00000000000..148dec02823 --- /dev/null +++ b/src/test/compile-fail/move-out-of-array-1.rs @@ -0,0 +1,28 @@ +// 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 or the MIT license +// , at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +// Ensure that we cannot move out of a fixed-size array (especially +// when the element type has a destructor). + + +struct D { _x: u8 } + +impl Drop for D { fn drop(&mut self) { } } + +fn main() { + fn d() -> D { D { _x: 0 } } + + let _d1 = foo([d(), d(), d(), d()], 1); + let _d3 = foo([d(), d(), d(), d()], 3); +} + +fn foo(a: [D; 4], i: usize) -> D { + a[i] //~ ERROR cannot move out of type `[D; 4]` +} diff --git a/src/test/run-pass/copy-out-of-array-1.rs b/src/test/run-pass/copy-out-of-array-1.rs new file mode 100644 index 00000000000..2b57c1ea0da --- /dev/null +++ b/src/test/run-pass/copy-out-of-array-1.rs @@ -0,0 +1,28 @@ +// 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 or the MIT license +// , at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +// Ensure that we can copy out of a fixed-size array. +// +// (Compare with compile-fail/move-out-of-array-1.rs) + +struct C { _x: u8 } + +impl Copy for C { } + +fn main() { + fn d() -> C { C { _x: 0 } } + + let _d1 = foo([d(), d(), d(), d()], 1); + let _d3 = foo([d(), d(), d(), d()], 3); +} + +fn foo(a: [C; 4], i: usize) -> C { + a[i] +} diff --git a/src/test/run-pass/destructure-array-1.rs b/src/test/run-pass/destructure-array-1.rs new file mode 100644 index 00000000000..43271162c18 --- /dev/null +++ b/src/test/run-pass/destructure-array-1.rs @@ -0,0 +1,35 @@ +// 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 or the MIT license +// , at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +// Ensure that we can do a destructuring bind of a fixed-size array, +// even when the element type has a destructor. + +struct D { x: u8 } + +impl Drop for D { fn drop(&mut self) { } } + +fn main() { + fn d(x: u8) -> D { D { x: x } } + + let d1 = foo([d(1), d(2), d(3), d(4)], 1); + let d3 = foo([d(5), d(6), d(7), d(8)], 3); + assert_eq!(d1.x, 2); + assert_eq!(d3.x, 8); +} + +fn foo([a, b, c, d]: [D; 4], i: usize) -> D { + match i { + 0 => a, + 1 => b, + 2 => c, + 3 => d, + _ => panic!("unmatched"), + } +}