--- jsr166/src/test/tck/ForkJoinTaskTest.java	2019/08/12 15:08:44	1.57
+++ jsr166/src/test/tck/ForkJoinTaskTest.java	2020/06/04 14:17:31	1.58
@@ -1693,4 +1693,17 @@ public class ForkJoinTaskTest extends JS
                 task.toString());
         }
     }
+
+    /**
+     * adaptInterruptible(callable).toString() contains toString of wrapped task
+     */
+    public void testAdaptInterruptible_Callable_toString() {
+        if (testImplementationDetails) {
+            Callable<String> c = () -> "";
+            ForkJoinTask<String> task = ForkJoinTask.adaptInterruptible(c);
+            assertEquals(
+                identityString(task) + "[Wrapped task = " + c.toString() + "]",
+                task.toString());
+        }
+    }
 }