test/java/lang/StackWalker/SanityTest.java

*** 77,82 ****
--- 77,102 ----
          try {
              StackWalker.getInstance().forEach(null);
              throw new RuntimeException("NPE expected");
          } catch (NullPointerException e) {}
      }
+ 
+ 
+     @Test
+     public static void testUOEFromGetDeclaringClass() {
+         try {
+             StackWalker sw = StackWalker.getInstance();
+             sw.forEach(StackWalker.StackFrame::getDeclaringClass);
+             throw new RuntimeException("UOE expected");
+         } catch (UnsupportedOperationException expected) {
+         }
+     }
+ 
+     @Test
+     public static void testUOEFromGetMethodType() {
+         try {
+             StackWalker sw = StackWalker.getInstance();
+             sw.forEach(StackWalker.StackFrame::getMethodType);
+             throw new RuntimeException("UOE expected");
+         } catch (UnsupportedOperationException expected) {}
+     }
  }