1 files changed, 11 insertions, 0 deletions
diff --git a/guava-testlib/test/com/google/common/testing/FakeTickerTest.java b/guava-testlib/test/com/google/common/testing/FakeTickerTest.java
index 5c008329e..09e4a3195 100644
--- a/guava-testlib/test/com/google/common/testing/FakeTickerTest.java
+++ b/guava-testlib/test/com/google/common/testing/FakeTickerTest.java
@@ -41,6 +41,7 @@ public class FakeTickerTest extends TestCase {
     tester.testAllPublicInstanceMethods(new FakeTicker());
   }
 
+  @GwtIncompatible // java.time.Duration
   public void testAdvance() {
     FakeTicker ticker = new FakeTicker();
     assertEquals(0, ticker.read());
@@ -48,6 +49,8 @@ public class FakeTickerTest extends TestCase {
     assertEquals(10, ticker.read());
     ticker.advance(1, TimeUnit.MILLISECONDS);
     assertEquals(1000010L, ticker.read());
+    ticker.advance(java.time.Duration.ofMillis(1));
+    assertEquals(2000010L, ticker.read());
   }
 
   public void testAutoIncrementStep_returnsSameInstance() {
@@ -76,6 +79,14 @@ public class FakeTickerTest extends TestCase {
     assertEquals(6000000000L, ticker.read());
   }
 
+  @GwtIncompatible // java.time.Duration
+  public void testAutoIncrementStep_duration() {
+    FakeTicker ticker = new FakeTicker().setAutoIncrementStep(java.time.Duration.ofMillis(1));
+    assertEquals(0, ticker.read());
+    assertEquals(1000000, ticker.read());
+    assertEquals(2000000, ticker.read());
+  }
+
   public void testAutoIncrementStep_resetToZero() {
     FakeTicker ticker = new FakeTicker().setAutoIncrementStep(10, TimeUnit.NANOSECONDS);
     assertEquals(0, ticker.read());