1 files changed, 14 insertions, 2 deletions
diff --git a/libcxx/test/numerics/rand/rand.device/eval.pass.cpp b/libcxx/test/numerics/rand/rand.device/eval.pass.cpp
index 2422635c92f..72aff076a5d 100644
--- a/libcxx/test/numerics/rand/rand.device/eval.pass.cpp
+++ b/libcxx/test/numerics/rand/rand.device/eval.pass.cpp
@@ -18,6 +18,18 @@
 
 int main()
 {
-    std::random_device r;
-    std::random_device::result_type e = r();
+    {
+        std::random_device r;
+        std::random_device::result_type e = r();
+    }
+
+    try
+    {
+        std::random_device r("/dev/null");
+        r();
+        assert(false);
+    }
+    catch (const std::system_error& e)
+    {
+    }
 }