#265 extra test

yegor256 · Jul 10, 2017 · 7eb4d0e · 7eb4d0e
1 parent eb883f5
commit 7eb4d0e
Showing 1 changed file with 21 additions and 1 deletion.
diff --git a/src/test/java/org/cactoos/func/AsyncFuncTest.java b/src/test/java/org/cactoos/func/AsyncFuncTest.java
@@ -23,6 +23,7 @@
  */
 package org.cactoos.func;
 
+import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.Future;
 import java.util.concurrent.TimeUnit;
 import org.cactoos.FuncApplies;
@@ -52,7 +53,26 @@ public void runsInBackground() {
             new FuncApplies<>(
                 true,
                 new FuncAsMatcher<Future<String>>(
-                    input -> !input.isDone()
+                    future -> !future.isDone()
+                )
+            )
+        );
+    }
+
+    @Test
+    public void runsInBackgroundWithoutFuture() {
+        final CountDownLatch latch = new CountDownLatch(1);
+        MatcherAssert.assertThat(
+            "Can't run in the background without us touching the Future",
+            new AsyncFunc<>(
+                input -> {
+                    latch.countDown();
+                }
+            ),
+            new FuncApplies<>(
+                true,
+                new FuncAsMatcher<Future<String>>(
+                    future -> latch.await(1L, TimeUnit.SECONDS)
                 )
             )
         );