Changes SyncSpec#awaitTimeout to use nano time for latch await times

swimos · Nov 25, 2019 · f8787d8 · f8787d8
1 parent e662c3d
commit f8787d8
Showing 1 changed file with 10 additions and 6 deletions.
diff --git a/swim-core-java/swim.concurrent/src/test/java/swim/concurrent/SyncSpec.java b/swim-core-java/swim.concurrent/src/test/java/swim/concurrent/SyncSpec.java
@@ -46,16 +46,20 @@ public void awaitTrap() throws InterruptedException {
 
   @Test
   public void awaitTimeout() throws InterruptedException {
-    final long timeout = 200L;
-    final Sync<Object> sync = new Sync<Object>();
-    final long t0 = System.currentTimeMillis();
+    long timeout = 200L;
+    final Sync<Object> sync = new Sync<>();
+    final long t0 = System.nanoTime();
+
     try {
       sync.await(timeout);
       fail();
     } catch (SyncException e) {
-      final long dt = System.currentTimeMillis() - t0;
-      assertTrue(dt > timeout);
-      assertTrue(dt < 2L * timeout);
+      final long dt = System.nanoTime() - t0;
+
+      timeout *= 1e6;
+
+      assertTrue(dt > timeout, "Timeout too soon: dt: " + dt);
+      assertTrue(dt < 2L * timeout, "long too soon: dt: " + dt);
     }
   }