[Cronet] Implement getOutputStream in CronetHttpURLConnection

components/cronet/android/test/javatests/src/org/chromium/net/urlconnection/CronetHttpURLConnectionTest.java

Index: components/cronet/android/test/javatests/src/org/chromium/net/urlconnection/CronetHttpURLConnectionTest.java
diff --git a/components/cronet/android/test/javatests/src/org/chromium/net/urlconnection/CronetHttpURLConnectionTest.java b/components/cronet/android/test/javatests/src/org/chromium/net/urlconnection/CronetHttpURLConnectionTest.java
index f4ff70cdb0c693ecf60c9f532007ec18eb8a7ffc..b32eab9d21a3fd114861f6557028a7bf25946853 100644
--- a/components/cronet/android/test/javatests/src/org/chromium/net/urlconnection/CronetHttpURLConnectionTest.java
+++ b/components/cronet/android/test/javatests/src/org/chromium/net/urlconnection/CronetHttpURLConnectionTest.java
@@ -18,6 +18,8 @@ import java.io.ByteArrayOutputStream;
 import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.InputStream;
+import java.io.OutputStream;
+import java.lang.reflect.Method;
 import java.net.HttpURLConnection;
 import java.net.MalformedURLException;
 import java.net.URL;
@@ -73,6 +75,51 @@ public class CronetHttpURLConnectionTest extends CronetTestBase {
         urlConnection.disconnect();
     }
 
+    /**
+     * Tests that using reflection to find {@code fixedContentLengthLong} works.
+     */
+    @SmallTest
+    @Feature({"Cronet"})
+    @OnlyRunCronetHttpURLConnection
+    public void testSetFixedLengthStreamingModeLong() throws Exception {
+        URL url = new URL(NativeTestServer.getEchoBodyURL());
+        HttpURLConnection connection =
+                (HttpURLConnection) url.openConnection();
+        connection.setDoOutput(true);
+        connection.setRequestMethod("POST");
+        if (Build.VERSION.SDK_INT >= 19) {
+            String dataString = "some very important data";
+            byte[] data = dataString.getBytes();
+            Class<?> c = connection.getClass();
+            Method method = c.getMethod("setFixedLengthStreamingMode",
+                    new Class[] {long.class});
+            method.invoke(connection, (long) data.length);
+            OutputStream out = connection.getOutputStream();
+            out.write(data);
+            assertEquals(200, connection.getResponseCode());
+            assertEquals("OK", connection.getResponseMessage());
+            assertEquals(dataString, getResponseAsString(connection));
+            connection.disconnect();
+        }
+    }
+
+    @SmallTest
+    @Feature({"Cronet"})
+    @OnlyRunCronetHttpURLConnection
+    // TODO(xunjieli): Change the test after chunked support is added.
+    public void testPostChunked() throws Exception {
+        URL url = new URL(NativeTestServer.getEchoBodyURL());
+        HttpURLConnection connection =
+                (HttpURLConnection) url.openConnection();
+        connection.setDoOutput(true);
+        connection.setRequestMethod("POST");
+        try {
+            connection.setChunkedStreamingMode(0);
+        } catch (UnsupportedOperationException e) {
+            assertEquals("Chunked mode not supported yet", e.getMessage());
+        }
+    }
+
     @SmallTest
     @Feature({"Cronet"})
     @CompareDefaultWithCronet