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      1 // Copyright 2016 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "base/task_scheduler/task_traits.h"
      6 
      7 #include <stddef.h>
      8 
      9 #include <ostream>
     10 
     11 #include "base/logging.h"
     12 
     13 namespace base {
     14 
     15 const char* TaskPriorityToString(TaskPriority task_priority) {
     16   switch (task_priority) {
     17     case TaskPriority::BACKGROUND:
     18       return "BACKGROUND";
     19     case TaskPriority::USER_VISIBLE:
     20       return "USER_VISIBLE";
     21     case TaskPriority::USER_BLOCKING:
     22       return "USER_BLOCKING";
     23   }
     24   NOTREACHED();
     25   return "";
     26 }
     27 
     28 const char* TaskShutdownBehaviorToString(
     29     TaskShutdownBehavior shutdown_behavior) {
     30   switch (shutdown_behavior) {
     31     case TaskShutdownBehavior::CONTINUE_ON_SHUTDOWN:
     32       return "CONTINUE_ON_SHUTDOWN";
     33     case TaskShutdownBehavior::SKIP_ON_SHUTDOWN:
     34       return "SKIP_ON_SHUTDOWN";
     35     case TaskShutdownBehavior::BLOCK_SHUTDOWN:
     36       return "BLOCK_SHUTDOWN";
     37   }
     38   NOTREACHED();
     39   return "";
     40 }
     41 
     42 std::ostream& operator<<(std::ostream& os, const TaskPriority& task_priority) {
     43   os << TaskPriorityToString(task_priority);
     44   return os;
     45 }
     46 
     47 std::ostream& operator<<(std::ostream& os,
     48                          const TaskShutdownBehavior& shutdown_behavior) {
     49   os << TaskShutdownBehaviorToString(shutdown_behavior);
     50   return os;
     51 }
     52 
     53 }  // namespace base
     54