diff options
Diffstat (limited to 'tests/ui/imports/extern-crate-self/extern-crate-self-macro-alias.rs')
-rw-r--r-- | tests/ui/imports/extern-crate-self/extern-crate-self-macro-alias.rs | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/tests/ui/imports/extern-crate-self/extern-crate-self-macro-alias.rs b/tests/ui/imports/extern-crate-self/extern-crate-self-macro-alias.rs new file mode 100644 index 000000000..796835228 --- /dev/null +++ b/tests/ui/imports/extern-crate-self/extern-crate-self-macro-alias.rs @@ -0,0 +1,16 @@ +// run-pass + +// Test that a macro can correctly expand the alias +// in an `extern crate self as ALIAS` item. + +fn the_answer() -> usize { 42 } + +macro_rules! alias_self { + ($alias:ident) => { extern crate self as $alias; } +} + +alias_self!(the_alias); + +fn main() { + assert_eq!(the_alias::the_answer(), 42); +} |