rust/src/test/compile-fail/feature-gate-negate-unsigned.rs
Luke Gallagher 03ff28135c Add feature gate tests
As part of the audit for #22820 the following feature gate tests have
been added:

* `negate_unsigned`
* `on_unimplemented`
* `optin_builtin_traits`
* `plugin`
* `rustc_attrs`
* `slice_patterns`
2015-04-24 10:10:48 +10:00

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Rust

// 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.
// Test that negating unsigned integers is gated by `negate_unsigned` feature
// gate
const MAX: usize = -1;
//~^ ERROR unary negation of unsigned integers may be removed in the future
fn main() {}