diff options
Diffstat (limited to 'src/test/ui/proc-macro/attr-invalid-exprs.rs')
-rw-r--r-- | src/test/ui/proc-macro/attr-invalid-exprs.rs | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/test/ui/proc-macro/attr-invalid-exprs.rs b/src/test/ui/proc-macro/attr-invalid-exprs.rs new file mode 100644 index 000000000..9dcffc340 --- /dev/null +++ b/src/test/ui/proc-macro/attr-invalid-exprs.rs @@ -0,0 +1,28 @@ +//! Attributes producing expressions in invalid locations + +// aux-build:attr-stmt-expr.rs + +#![feature(proc_macro_hygiene)] +#![feature(stmt_expr_attributes)] + +extern crate attr_stmt_expr; +use attr_stmt_expr::{duplicate, no_output}; + +fn main() { + let _ = #[no_output] "Hello, world!"; + //~^ ERROR expected expression, found end of macro arguments + + let _ = #[duplicate] "Hello, world!"; + //~^ ERROR macro expansion ignores token `,` and any following + + let _ = { + #[no_output] + "Hello, world!" + }; + + let _ = { + #[duplicate] + //~^ ERROR macro expansion ignores token `,` and any following + "Hello, world!" + }; +} |