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Diffstat (limited to 'src/pkg/sync/mutex_test.go')
| -rw-r--r-- | src/pkg/sync/mutex_test.go | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/pkg/sync/mutex_test.go b/src/pkg/sync/mutex_test.go index d0e048ed7..f5c20ca49 100644 --- a/src/pkg/sync/mutex_test.go +++ b/src/pkg/sync/mutex_test.go @@ -89,3 +89,16 @@ func BenchmarkContendedMutex(b *testing.B) { <-c <-c } + +func TestMutexPanic(t *testing.T) { + defer func() { + if recover() == nil { + t.Fatalf("unlock of unlocked mutex did not panic") + } + }() + + var mu Mutex + mu.Lock() + mu.Unlock() + mu.Unlock() +} |