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      1 /*
      2  * Copyright (C) 2016 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #include "gtest/gtest.h"
     18 
     19 #include "chre/util/fixed_size_blocking_queue.h"
     20 #include "chre/util/unique_ptr.h"
     21 
     22 using chre::FixedSizeBlockingQueue;
     23 using chre::MakeUnique;
     24 using chre::UniquePtr;
     25 
     26 TEST(FixedSizeBlockingQueue, IsEmptyByDefault) {
     27   FixedSizeBlockingQueue<int, 16> blockingQueue;
     28   ASSERT_TRUE(blockingQueue.empty());
     29 }
     30 
     31 TEST(FixedSizeBlockingQueue, PushPopVerifyOrder) {
     32   FixedSizeBlockingQueue<int, 16> blockingQueue;
     33 
     34   ASSERT_TRUE(blockingQueue.push(0x1337));
     35   ASSERT_TRUE(blockingQueue.push(0xcafe));
     36 
     37   ASSERT_EQ(blockingQueue.pop(), 0x1337);
     38   ASSERT_EQ(blockingQueue.pop(), 0xcafe);
     39 }
     40 
     41 TEST(FixedSizeBlockingQueue, PushPopMove) {
     42   static constexpr int kVal = 0xbeef;
     43   UniquePtr<int> ptr = MakeUnique<int>();
     44   *ptr = kVal;
     45 
     46   FixedSizeBlockingQueue<UniquePtr<int>, 16> blockingQueue;
     47 
     48   ASSERT_TRUE(blockingQueue.push(std::move(ptr)));
     49   ASSERT_TRUE(ptr.isNull());
     50   ASSERT_EQ(*(blockingQueue.pop()), kVal);
     51 }
     52