381 void PrintTo(const ArrayQueue<HistoryEntry, kHistorySize> &history,  in PrintTo()  argument
383   *os << "Dumping history from oldest to newest:" << std::endl;  in PrintTo()
384   for (const HistoryEntry &entry : history) {  in PrintTo()
404   ArrayQueue<HistoryEntry, kHistorySize> history;  in TEST()  local
437       history.kick_push(HistoryEntry(Op::kPush, pushCount, count - 1));  in TEST()
454           history.kick_push(HistoryEntry(Op::kPull, extracted, last));  in TEST()
476               << testing::PrintToString(history)  in TEST()
480               << "Note: most recent push may not be included in the history, "  in TEST()
483           // The history is unlikely to have the most recent push operation  in TEST()
485           // the mutex to add to the history. In other words, it may have pushed  in TEST()
487           // hasn't added it to the history yet.  in TEST()