Added UnguessableToken.java .

base/android/unguessable_token_android_unittest.cc

+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "base/android/unguessable_token_android.h"
+
+#include "base/android/jni_android.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace base {
+namespace android {
+
+TEST(UnguessableTokenAndroid, BasicCreateToken) {
+  JNIEnv* env = AttachCurrentThread();
+  uint64_t high = 0x1234567812345678;
+  uint64_t low = 0x0583503029282304;
+  base::UnguessableToken token = base::UnguessableToken::Deserialize(high, low);
+  ScopedJavaLocalRef<jobject> jtoken =
+      UnguessableTokenAndroid::Create(env, token);
+  base::UnguessableToken result =
+      UnguessableTokenAndroid::FromJavaUnguessableToken(env, jtoken);
+
+  EXPECT_EQ(token, result);
+}
+
+TEST(UnguessableTokenAndroid, ParcelAndUnparcel) {
+  JNIEnv* env = AttachCurrentThread();
+  uint64_t high = 0x1234567812345678;
+  uint64_t low = 0x0583503029282304;
+  base::UnguessableToken token = base::UnguessableToken::Deserialize(high, low);
+  ScopedJavaLocalRef<jobject> jtoken =
+      UnguessableTokenAndroid::Create(env, token);
+  ScopedJavaLocalRef<jobject> jtoken_clone =
+      UnguessableTokenAndroid::ParcelAndUnparcelForTesting(env, jtoken);
+  base::UnguessableToken token_clone =
+      UnguessableTokenAndroid::FromJavaUnguessableToken(env, jtoken_clone);
+
+  EXPECT_EQ(token, token_clone);
+}
+
+}  // namespace android
+}  // namespace base