343     MessageQueueSync::MemTransaction tx;  in TEST_F()  local
344     ASSERT_TRUE(mQueue->beginWrite(dataLen, &tx));  in TEST_F()
346     ASSERT_TRUE(tx.copyTo(data, 0 /* startIdx */, dataLen));  in TEST_F()
352     ASSERT_TRUE(mQueue->beginRead(dataLen, &tx));  in TEST_F()
354     ASSERT_TRUE(tx.copyFrom(readData, 0 /* startIdx */, dataLen));  in TEST_F()
371     MessageQueueSync::MemTransaction tx;  in TEST_F()  local
372     ASSERT_TRUE(mQueue->beginWrite(dataLen, &tx));  in TEST_F()
374     auto first = tx.getFirstRegion();  in TEST_F()
375     auto second = tx.getSecondRegion();  in TEST_F()
379         uint8_t* ptr = tx.getSlot(i);  in TEST_F()
387     ASSERT_TRUE(mQueue->beginRead(dataLen, &tx));  in TEST_F()
389     first = tx.getFirstRegion();  in TEST_F()
390     second = tx.getSecondRegion();  in TEST_F()
395         uint8_t* ptr = tx.getSlot(i);  in TEST_F()
424     MessageQueueSync::MemTransaction tx;  in TEST_F()  local
425     ASSERT_FALSE(mQueue->beginRead(dataLen, &tx));  in TEST_F()
427     auto first = tx.getFirstRegion();  in TEST_F()
428     auto second = tx.getSecondRegion();  in TEST_F()
464     MessageQueueSync::MemTransaction tx;  in TEST_F()  local
465     ASSERT_FALSE(mQueue->beginWrite(1, &tx));  in TEST_F()
467     auto first = tx.getFirstRegion();  in TEST_F()
468     auto second = tx.getSecondRegion();  in TEST_F()
532     MessageQueueSync::MemTransaction tx;  in TEST_F()  local
533     ASSERT_FALSE(mQueue->beginWrite(dataLen, &tx));  in TEST_F()
535     auto first = tx.getFirstRegion();  in TEST_F()
536     auto second = tx.getSecondRegion();  in TEST_F()
617     MessageQueueSync::MemTransaction tx;  in TEST_F()  local
618     ASSERT_TRUE(mQueue->beginWrite(mNumMessagesMax, &tx));  in TEST_F()
620     auto first = tx.getFirstRegion();  in TEST_F()
621     auto second = tx.getSecondRegion();  in TEST_F()
625     ASSERT_TRUE(tx.copyTo(&data[0], 0 /* startIdx */,  mNumMessagesMax));  in TEST_F()
629     ASSERT_TRUE(mQueue->beginRead(mNumMessagesMax, &tx));  in TEST_F()
631     first = tx.getFirstRegion();  in TEST_F()
632     second = tx.getSecondRegion();  in TEST_F()
636     ASSERT_TRUE(tx.copyFrom(&readData[0], 0 /* startIdx */, mNumMessagesMax));  in TEST_F()
695     MessageQueueUnsync::MemTransaction tx;  in TEST_F()  local
696     ASSERT_TRUE(mQueue->beginWrite(1, &tx));  in TEST_F()
698     ASSERT_EQ(tx.getFirstRegion().getLength(), 1U);  in TEST_F()
700     ASSERT_TRUE(tx.copyTo(&data[0], 0 /* startIdx */));  in TEST_F()