diff --git a/Cronet/tests/cts/Android.bp b/Cronet/tests/cts/Android.bp
index d969b54..7b440cd 100644
--- a/Cronet/tests/cts/Android.bp
+++ b/Cronet/tests/cts/Android.bp
@@ -64,6 +64,7 @@
         "junit",
         "hamcrest-library",
         "kotlin-test",
+        "mockito-target",
     ],
     libs: [
         "android.test.base",
diff --git a/Cronet/tests/cts/src/android/net/http/cts/HttpEngineTest.java b/Cronet/tests/cts/src/android/net/http/cts/HttpEngineTest.java
index d247201..816596c 100644
--- a/Cronet/tests/cts/src/android/net/http/cts/HttpEngineTest.java
+++ b/Cronet/tests/cts/src/android/net/http/cts/HttpEngineTest.java
@@ -29,6 +29,7 @@
 import static org.junit.Assert.assertTrue;
 
 import android.content.Context;
+import android.net.Network;
 import android.net.http.HttpEngine;
 import android.net.http.UrlRequest;
 import android.net.http.UrlResponseInfo;
@@ -43,6 +44,7 @@
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
+import org.mockito.Mockito;
 
 @RunWith(AndroidJUnit4.class)
 public class HttpEngineTest {
@@ -51,6 +53,7 @@
 
     private HttpEngine.Builder mEngineBuilder;
     private TestUrlRequestCallback mCallback;
+    private HttpCtsTestServer mTestServer;
     private UrlRequest mRequest;
     private HttpEngine mEngine;
     private Context mContext;
@@ -61,6 +64,7 @@
         skipIfNoInternetConnection(mContext);
         mEngineBuilder = new HttpEngine.Builder(mContext);
         mCallback = new TestUrlRequestCallback();
+        mTestServer = new HttpCtsTestServer(mContext);
     }
 
     @After
@@ -72,6 +76,9 @@
         if (mEngine != null) {
             mEngine.shutdown();
         }
+        if (mTestServer != null) {
+            mTestServer.shutdown();
+        }
     }
 
     private boolean isQuic(String negotiatedProtocol) {
@@ -253,4 +260,45 @@
                 .replaceFirst(".*<title>", "")
                 .replaceFirst("</title>.*", "");
     }
-}
+
+    @Test
+    public void testHttpEngine_bindToNetwork() throws Exception {
+        // Create a fake Android.net.Network. Since that network doesn't exist, binding to
+        // that should end up in a failed request.
+        Network mockNetwork = Mockito.mock(Network.class);
+        Mockito.when(mockNetwork.getNetworkHandle()).thenReturn(123L);
+        String url = mTestServer.getSuccessUrl();
+
+        mEngine = mEngineBuilder.build();
+        mEngine.bindToNetwork(mockNetwork);
+        UrlRequest.Builder builder =
+                mEngine.newUrlRequestBuilder(url, mCallback.getExecutor(), mCallback);
+        mRequest = builder.build();
+        mRequest.start();
+
+        mCallback.expectCallback(ResponseStep.ON_FAILED);
+    }
+
+    @Test
+    public void testHttpEngine_unbindFromNetwork() throws Exception {
+        // Create a fake Android.net.Network. Since that network doesn't exist, binding to
+        // that should end up in a failed request.
+        Network mockNetwork = Mockito.mock(Network.class);
+        Mockito.when(mockNetwork.getNetworkHandle()).thenReturn(123L);
+        String url = mTestServer.getSuccessUrl();
+
+        mEngine = mEngineBuilder.build();
+        // Bind to the fake network but then unbind. This should result in a successful
+        // request.
+        mEngine.bindToNetwork(mockNetwork);
+        mEngine.bindToNetwork(null);
+        UrlRequest.Builder builder =
+                mEngine.newUrlRequestBuilder(url, mCallback.getExecutor(), mCallback);
+        mRequest = builder.build();
+        mRequest.start();
+
+        mCallback.expectCallback(ResponseStep.ON_SUCCEEDED);
+        UrlResponseInfo info = mCallback.mResponseInfo;
+        assertOKStatusCode(info);
+    }
+}
\ No newline at end of file