--- old/test/jdk/java/util/Optional/BasicInt.java	2018-04-16 10:24:18.916132042 -0700
+++ new/test/jdk/java/util/Optional/BasicInt.java	2018-04-16 10:24:18.638106446 -0700
@@ -32,6 +32,8 @@
 import java.util.NoSuchElementException;
 import java.util.OptionalInt;
 import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.function.IntPredicate;
+import java.util.List;
 
 import static org.testng.Assert.*;
 import org.testng.annotations.Test;
@@ -52,6 +54,8 @@
         assertFalse(empty.equals("unexpected"));
 
         assertFalse(empty.isPresent());
+        assertTrue(empty.isEmpty());
+
         assertEquals(empty.hashCode(), 0);
         assertEquals(empty.orElse(UNEXPECTED), UNEXPECTED);
         assertEquals(empty.orElseGet(() -> UNEXPECTED), UNEXPECTED);
@@ -127,4 +131,20 @@
     public void testStreamPresent() {
         assertEquals(OptionalInt.of(INTVAL).stream().toArray(), new int[] { INTVAL });
     }
+
+    @Test(groups = "unit")
+    public void testIsEmpty() {
+        OptionalInt empty = OptionalInt.empty();
+        assertTrue(empty.isEmpty());
+        OptionalInt present = OptionalInt.of(1);
+        assertFalse(present.isEmpty());
+        var integerList = List.of(1, 2, 3, 4, 5);
+        IntPredicate isPositiveNumber = x -> x > 0;
+        IntPredicate isNegativeNumber = x -> x < 0;
+        OptionalInt positiveNumber = integerList.stream().mapToInt(Integer::intValue).filter(isPositiveNumber).findAny();
+        OptionalInt negativeNumber = integerList.stream().mapToInt(Integer::intValue).filter(isNegativeNumber).findAny();
+        assertFalse(positiveNumber.isEmpty());
+        assertTrue(negativeNumber.isEmpty());
+    }
+
 }