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improve match test case to include guard

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This commit is contained in:
John Clements 2014-06-26 15:37:45 -07:00
parent 47eec97cda
commit 7bad96e742
1 changed files with 4 additions and 4 deletions
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8
src/libsyntax/ext/expand.rs
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@ -1274,13 +1274,13 @@ fn a(){g!(z)}",
}
// FIXME #9384, match variable hygiene. Should expand into
// fn z() {match 8 {x_1 => {match 9 {x_2 | x_2 => x_2 + x_1}}}}
// fn z() {match 8 {x_1 => {match 9 {x_2 | x_2 if x_2 == x_1 => x_2 + x_1}}}}
#[test] fn issue_9384(){
run_renaming_test(
&("macro_rules! bad_macro (($ex:expr) => ({match 9 {x | x => x + $ex}}))
fn z() {match 8 {x => bad_macro!(_x)}}",
&("macro_rules! bad_macro (($ex:expr) => ({match 9 {x | x if x == $ex => 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)),
vec!(vec!(1,3),vec!(0,2),vec!(0,2)),
true),
0)
}