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| author | Steven Fackler <sfackler@gmail.com> | 2013-11-16 14:35:35 -0800 |
|---|---|---|
| committer | Steven Fackler <sfackler@gmail.com> | 2013-11-22 21:19:53 -0800 |
| commit | 48cd8c646ace585153d6ed25baccdd8420742e42 (patch) | |
| tree | 0f7e984acef4e250073f79c4ad45a3703fc5e619 /src/libstd | |
| parent | 5759f2fc571f9531c675a5966b44d570b7dbe685 (diff) | |
| download | rust-48cd8c646ace585153d6ed25baccdd8420742e42.tar.gz rust-48cd8c646ace585153d6ed25baccdd8420742e42.zip | |
More Mut tests
Diffstat (limited to 'src/libstd')
| -rw-r--r-- | src/libstd/mutable.rs | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/libstd/mutable.rs b/src/libstd/mutable.rs index 98177b3cdf5..44efbc149c1 100644 --- a/src/libstd/mutable.rs +++ b/src/libstd/mutable.rs @@ -295,4 +295,13 @@ mod test { let _b = x.borrow(); x.with_mut(|x| *x += 1); } + + #[test] + #[should_fail] + fn discard_doesnt_unborrow() { + let x = Mut::new(0); + let _b = x.borrow(); + let _ = _b; + let _b = x.borrow_mut(); + } } |