diff --git a/src/test/run-pass/issue-7911.rs b/src/test/run-pass/issue-7911.rs new file mode 100644 index 0000000000000..a21e6e04abcd5 --- /dev/null +++ b/src/test/run-pass/issue-7911.rs @@ -0,0 +1,48 @@ +// 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 or the MIT license +// , at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +// xfail-pretty + +// (Closes #7911) Test that we can use the same self expression +// with different mutability in macro in two methods + +#[allow(unused_variable)]; // unused foobar_immut + foobar_mut +#[feature(macro_rules)]; + +trait FooBar {} +struct Bar(i32); +struct Foo { bar: Bar } + +impl FooBar for Bar {} + +trait Test { + fn get_immut<'r>(&'r self) -> &'r FooBar; + fn get_mut<'r>(&'r mut self) -> &'r mut FooBar; +} + +macro_rules! generate_test(($type_:path, $field:expr) => ( + impl Test for $type_ { + fn get_immut<'r>(&'r self) -> &'r FooBar { + &$field as &FooBar + } + + fn get_mut<'r>(&'r mut self) -> &'r mut FooBar { + &mut $field as &mut FooBar + } + } +)) + +generate_test!(Foo, self.bar) + +pub fn main() { + let mut foo: Foo = Foo { bar: Bar(42) }; + { let foobar_immut = foo.get_immut(); } + { let foobar_mut = foo.get_mut(); } +}