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| author | John Clements <clements@racket-lang.org> | 2014-06-24 16:34:03 -0700 |
|---|---|---|
| committer | John Clements <clements@racket-lang.org> | 2014-06-25 14:16:12 -0700 |
| commit | bc837fdadf185a7aa593008e13364fde2b8c7fc9 (patch) | |
| tree | bc71c149fce5b533c268f732f33637f6ae74917d /src/libsyntax/ext | |
| parent | 19e1d834ffad4c5023a44f894d570054913e31e8 (diff) | |
| download | rust-bc837fdadf185a7aa593008e13364fde2b8c7fc9.tar.gz rust-bc837fdadf185a7aa593008e13364fde2b8c7fc9.zip | |
add unit test for match var hygiene
Diffstat (limited to 'src/libsyntax/ext')
| -rw-r--r-- | src/libsyntax/ext/expand.rs | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/libsyntax/ext/expand.rs b/src/libsyntax/ext/expand.rs index bf68538d656..c2e13a53b1e 100644 --- a/src/libsyntax/ext/expand.rs +++ b/src/libsyntax/ext/expand.rs @@ -1254,6 +1254,18 @@ mod test { 0) } + // FIXME #9384, match variable hygiene. Should expand into + // fn z() {match 8 {x_1 => {match 9 {x_2 | x_2 => x_2 + x_1}}}} + #[test] fn issue_9384(){ + run_renaming_test( + &("macro_rules! bad_macro (($ex:expr) => ({match 9 {x | x => x + $ex}})) + fn z() {match 8 {x => bad_macro!(_x)}}", + // NB: the third "binding" is the repeat of the second one. + vec!(vec!(1),vec!(0),vec!(0)), + true), + 0) + } + // create a really evil test case where a $x appears inside a binding of $x // but *shouldnt* bind because it was inserted by a different macro.... // can't write this test case until we have macro-generating macros. |