1 files changed, 11 insertions, 0 deletions
diff --git a/src/test/run-fail/vec-underrun.rs b/src/test/run-fail/vec-underrun.rs
new file mode 100644
index 00000000..c9073030
--- /dev/null
+++ b/src/test/run-fail/vec-underrun.rs
@@ -0,0 +1,11 @@
+// -*- rust -*-
+
+// error-pattern:bounds check
+
+fn main() {
+  let vec[int] v = vec(10, 20);
+  let int x = 0;
+  check (v.(x) == 10);
+  // Bounds-check failure.
+  check (v.(x-1) == 20);
+}