| // Copyright (c) 2012 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/jni_array.h" |
| |
| #include "base/android/jni_android.h" |
| #include "base/android/scoped_java_ref.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace base { |
| namespace android { |
| |
| TEST(JniArray, BasicConversions) { |
| const uint8 kBytes[] = { 0, 1, 2, 3 }; |
| const size_t kLen = arraysize(kBytes); |
| JNIEnv* env = AttachCurrentThread(); |
| ScopedJavaLocalRef<jbyteArray> bytes = ToJavaByteArray(env, kBytes, kLen); |
| ASSERT_TRUE(bytes.obj()); |
| |
| std::vector<uint8> vec(5); |
| JavaByteArrayToByteVector(env, bytes.obj(), &vec); |
| EXPECT_EQ(4U, vec.size()); |
| EXPECT_EQ(std::vector<uint8>(kBytes, kBytes + kLen), vec); |
| |
| AppendJavaByteArrayToByteVector(env, bytes.obj(), &vec); |
| EXPECT_EQ(8U, vec.size()); |
| } |
| |
| TEST(JniArray, JavaArrayOfByteArrayToStringVector) { |
| const int kMaxItems = 50; |
| JNIEnv* env = AttachCurrentThread(); |
| |
| // Create a byte[][] object. |
| ScopedJavaLocalRef<jclass> byte_array_clazz(env, env->FindClass("[B")); |
| ASSERT_TRUE(byte_array_clazz.obj()); |
| |
| ScopedJavaLocalRef<jobjectArray> array( |
| env, env->NewObjectArray(kMaxItems, byte_array_clazz.obj(), NULL)); |
| ASSERT_TRUE(array.obj()); |
| |
| // Create kMaxItems byte buffers. |
| char text[16]; |
| for (int i = 0; i < kMaxItems; ++i) { |
| snprintf(text, sizeof text, "%d", i); |
| ScopedJavaLocalRef<jbyteArray> byte_array = ToJavaByteArray( |
| env, reinterpret_cast<uint8*>(text), |
| static_cast<size_t>(strlen(text))); |
| ASSERT_TRUE(byte_array.obj()); |
| |
| env->SetObjectArrayElement(array.obj(), i, byte_array.obj()); |
| ASSERT_FALSE(HasException(env)); |
| } |
| |
| // Convert to std::vector<std::string>, check the content. |
| std::vector<std::string> vec; |
| JavaArrayOfByteArrayToStringVector(env, array.obj(), &vec); |
| |
| EXPECT_EQ(static_cast<size_t>(kMaxItems), vec.size()); |
| for (int i = 0; i < kMaxItems; ++i) { |
| snprintf(text, sizeof text, "%d", i); |
| EXPECT_STREQ(text, vec[i].c_str()); |
| } |
| } |
| |
| } // namespace android |
| } // namespace base |