First update with serialization mechanism

java/android/OlmLibSdk/olm-sdk/src/androidTest/java/org/matrix/olm/OlmAccountTest.java

 package org.matrix.olm;
 
+import android.accounts.Account;
+import android.content.Context;
+import android.content.SharedPreferences;
 import android.support.test.runner.AndroidJUnit4;
 import android.text.TextUtils;
 import android.util.Log;
@@ -15,9 +18,19 @@ import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.MethodSorters;
 
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
 import java.util.Iterator;
 
+import static android.support.test.InstrumentationRegistry.getInstrumentation;
+import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
 
 @RunWith(AndroidJUnit4.class)
@@ -106,7 +119,7 @@ public class OlmAccountTest {
     }
 
     //****************************************************
-    //** ************** One time keys TESTS **************
+    //***************** ONE TIME KEYS TESTS **************
     //****************************************************
     @Test
     public void test06MaxOneTimeKeys() {
@@ -175,4 +188,79 @@ public class OlmAccountTest {
         assertNotNull(signedMsg);
         // additional tests are performed in test01VerifyEd25519Signing()
     }
+
+
+    // ********************************************************
+    // ************* SERIALIZATION TEST ***********************
+    // ********************************************************
+
+    @Test
+    public void test13Serialization() {
+        FileOutputStream fileOutput = null;
+        ObjectOutputStream objectOutput = null;
+        OlmAccount accountRef = new OlmAccount();
+        OlmAccount accountDeserial = null;
+        OlmException exception;
+
+        int retValue = accountRef.generateOneTimeKeys(GENERATION_ONE_TIME_KEYS_NUMBER);
+        assertTrue(0==retValue);
+
+        JSONObject identityKeysRef = accountRef.identityKeys();
+        JSONObject oneTimeKeysRef = accountRef.oneTimeKeys();
+        final String FILE_NAME = "testfile";
+
+        /*Context context = getInstrumentation().getContext();
+        SharedPreferences sharedPref = context.getSharedPreferences("TestPref",Context.MODE_PRIVATE);
+        SharedPreferences.Editor editPref = sharedPref.edit();
+        editPref.putLong();*/
+
+        try {
+            Context context = getInstrumentation().getContext();
+            context.getFilesDir();
+            //File serialFile = new File(FILE_NAME);
+            //fileOutput = new FileOutputStream(serialFile);
+            fileOutput = context.openFileOutput(FILE_NAME, Context.MODE_PRIVATE);
+
+            objectOutput = new ObjectOutputStream(fileOutput);
+            objectOutput.writeObject(accountRef);
+            objectOutput.flush();
+            objectOutput.close();
+
+            //FileInputStream fileInput = new FileInputStream(serialFile);
+            FileInputStream fileInput = context.openFileInput(FILE_NAME);
+            ObjectInputStream objectInput = new ObjectInputStream(fileInput);
+            accountDeserial = (OlmAccount) objectInput.readObject();
+            objectInput.close();
+
+            assertNotNull(accountDeserial);
+
+            JSONObject identityKeys2 = accountDeserial.identityKeys();
+            JSONObject oneTimeKeys2 = accountDeserial.oneTimeKeys();
+            assertEquals(identityKeysRef, identityKeys2);
+            assertEquals(oneTimeKeysRef, oneTimeKeys2);
+
+            accountRef.releaseAccount();
+            accountDeserial.releaseAccount();
+
+        }
+
+        catch (FileNotFoundException e) {
+            Log.e(LOG_TAG, "## test13Serialization(): Exception FileNotFoundException Msg=="+e.getMessage());
+        }
+        catch (ClassNotFoundException e) {
+            Log.e(LOG_TAG, "## test13Serialization(): Exception ClassNotFoundException Msg==" + e.getMessage());
+        }
+        catch (IOException e) {
+            Log.e(LOG_TAG, "## test13Serialization(): Exception IOException Msg==" + e.getMessage());
+        }
+        /*catch (OlmException e) {
+            Log.e(LOG_TAG, "## test13Serialization(): Exception OlmException Msg==" + e.getMessage());
+        }*/
+        catch (Exception e) {
+            Log.e(LOG_TAG, "## test13Serialization(): Exception Msg==" + e.getMessage());
+        }
+
+    }
+
+
 }