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Updated future-proofing test, removed outdated test, and added

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run-pass test for some new functionality.
This commit is contained in:
Felix S. Klock II 2015-11-24 19:46:21 +01:00
parent 3703ef5820
commit 3e4b7012d0
3 changed files with 28 additions and 18 deletions
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2
src/test/compile-fail/macro-input-future-proofing.rs
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@ -25,6 +25,8 @@ macro_rules! errors_everywhere {
($($ty:ty)* -) => (); //~ ERROR `$ty:ty` is followed by `-`
($($a:ty, $b:ty)* -) => (); //~ ERROR `$b:ty` is followed by `-`
($($ty:ty)-+) => (); //~ ERROR `$ty:ty` is followed by `-`, which is not allowed for `ty`
( $($a:expr)* $($b:tt)* ) => { };
//~^ ERROR `$a:expr` is followed by `$b:tt`, which is not allowed for `expr` fragments
}
fn main() { }

18
src/test/compile-fail/macro-seq-followed-by-seq.rs
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@ -1,18 +0,0 @@
// 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.
// Check that we cannot have two sequence repetitions in a row.
macro_rules! foo {
( $($a:expr)* $($b:tt)* ) => { }; //~ ERROR sequence repetition followed by another sequence
( $($a:tt)* $($b:tt)* ) => { }; //~ ERROR sequence repetition followed by another sequence
}
fn main() { }

26
src/test/run-pass/macro-seq-followed-by-seq.rs Normal file
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@ -0,0 +1,26 @@
// Copyright 2016 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 of allowing two sequences repetitions in a row,
// functionality added as byproduct of RFC amendment #1384
// https://github.com/rust-lang/rfcs/pull/1384
// Old version of Rust would reject this macro definition, even though
// there are no local ambiguities (the initial `banana` and `orange`
// tokens are enough for the expander to distinguish which case is
// intended).
macro_rules! foo {
( $(banana $a:ident)* $(orange $b:tt)* ) => { };
}
fn main() {
foo!( banana id1 banana id2
orange hi orange (hello world) );
}