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Add some tests for const auto-deref.

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const-autoderef.rs is based on an example from jdm in IRC (but the
quadruple-pointer part is entirely my fault).
This commit is contained in:
Jed Davis 2013-03-08 10:57:28 -08:00
parent 5066bc9ff4
commit c929ddde16
2 changed files with 36 additions and 0 deletions
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17
src/test/run-pass/const-autoderef-newtype.rs Normal file
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// 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.
struct S(&'static [int]);
const C0: S = S([3]);
const C1: int = C0[0];
pub fn main() {
fail_unless!(C1 == 3);
}

19
src/test/run-pass/const-autoderef.rs Normal file
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// 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.
const A: [u8 * 1] = ['h' as u8];
const B: u8 = (&A)[0];
const C: &'static &'static &'static &'static [u8 * 1] = & & & &A;
const D: u8 = (&C)[0];
pub fn main() {
fail_unless!(B == A[0]);
fail_unless!(D == A[0]);
}