test/tools/javac/TryWithResources/TwrForVariable1.java

@@ -35,10 +35,22 @@
                 assertCloseCount(5);
             }
         }
 
         assertCloseCount(6);
+
+        // null test cases
+        TwrForVariable1 n = null;
+
+        try (n) {
+        }
+        try (n) {
+            throw new Exception();
+        } catch (Exception e) {
+        }
+
+        assertCloseCount(6);
     }
 
     static void assertCloseCount(int expectedCloseCount) {
         if (closeCount != expectedCloseCount)
             throw new RuntimeException("bad closeCount: " + closeCount +