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Add a couple of tests

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This commit is contained in:
Mark Mansi 2018-01-18 21:17:27 -06:00
parent c33649cd8e
commit 711f71cfa9
2 changed files with 51 additions and 0 deletions
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26
src/test/compile-fail/macro-at-most-once-rep-ambig.rs Normal file
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// Copyright 2012 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.
macro_rules! foo {
($(a)?) => {}
}
macro_rules! bar {
($(a)?+) => {}
}
pub fn main() {
foo!(a?a?a); //~ ERROR no rules expected the token `?`
foo!(a?a); //~ ERROR no rules expected the token `?`
foo!(a?); //~ ERROR no rules expected the token `?`
bar!(); //~ ERROR no rules expected the token `)`
bar!(a?); //~ ERROR no rules expected the token `?`
}

25
src/test/run-pass/macro-at-most-once-rep.rs Normal file
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// Copyright 2012 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.
macro_rules! foo {
($(a)?) => {}
}
macro_rules! bar {
($(a)?+) => {}
}
pub fn main() {
foo!();
foo!(a);
bar!(a);
bar!(a?a);
bar!(a?a?a);
}