chrome/browser/memory/oom_priority_manager_delegate_chromeos_unittest.cc

   1 // Copyright (c) 2012 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 "chrome/browser/memory/oom_priority_manager.h"
   6
   7 #include <algorithm>
   8 #include <vector>
   9
  10 #include "base/logging.h"
  11 #include "base/strings/string16.h"
  12 #include "base/time/time.h"
  13 #include "chrome/browser/memory/oom_priority_manager_delegate_chromeos.h"
  14 #include "chrome/browser/memory/tab_stats.h"
  15 #include "chrome/common/url_constants.h"
  16 #include "testing/gtest/include/gtest/gtest.h"
  17 #include "url/gurl.h"
  18
  19 namespace memory {
  20
  21 typedef testing::Test OomPriorityManagerDelegateTest;
  22
  23 TEST_F(OomPriorityManagerDelegateTest, GetProcessHandles) {
  24   TabStats stats;
  25   std::vector<OomPriorityManagerDelegate::ProcessInfo> process_id_pairs;
  26
  27   // Empty stats list gives empty |process_id_pairs| list.
  28   TabStatsList empty_list;
  29   process_id_pairs =
  30       OomPriorityManagerDelegate::GetChildProcessInfos(empty_list);
  31   EXPECT_EQ(0u, process_id_pairs.size());
  32
  33   // Two tabs in two different processes generates two
  34   // |child_process_host_id| out.
  35   TabStatsList two_list;
  36   stats.child_process_host_id = 100;
  37   stats.renderer_handle = 101;
  38   two_list.push_back(stats);
  39   stats.child_process_host_id = 200;
  40   stats.renderer_handle = 201;
  41   two_list.push_back(stats);
  42   process_id_pairs = OomPriorityManagerDelegate::GetChildProcessInfos(two_list);
  43   EXPECT_EQ(2u, process_id_pairs.size());
  44   EXPECT_EQ(100, process_id_pairs[0].first);
  45   EXPECT_EQ(101, process_id_pairs[0].second);
  46   EXPECT_EQ(200, process_id_pairs[1].first);
  47   EXPECT_EQ(201, process_id_pairs[1].second);
  48
  49   // Zero handles are removed.
  50   TabStatsList zero_handle_list;
  51   stats.child_process_host_id = 100;
  52   stats.renderer_handle = 0;
  53   zero_handle_list.push_back(stats);
  54   process_id_pairs =
  55       OomPriorityManagerDelegate::GetChildProcessInfos(zero_handle_list);
  56   EXPECT_EQ(0u, process_id_pairs.size());
  57
  58   // Two tabs in the same process generates one handle out. When a duplicate
  59   // occurs the later instance is dropped.
  60   TabStatsList same_process_list;
  61   stats.child_process_host_id = 100;
  62   stats.renderer_handle = 101;
  63   same_process_list.push_back(stats);
  64   stats.child_process_host_id = 200;
  65   stats.renderer_handle = 201;
  66   same_process_list.push_back(stats);
  67   stats.child_process_host_id = 300;
  68   stats.renderer_handle = 101;  // Duplicate.
  69   same_process_list.push_back(stats);
  70   process_id_pairs =
  71       OomPriorityManagerDelegate::GetChildProcessInfos(same_process_list);
  72   EXPECT_EQ(2u, process_id_pairs.size());
  73   EXPECT_EQ(100, process_id_pairs[0].first);
  74   EXPECT_EQ(101, process_id_pairs[0].second);
  75   EXPECT_EQ(200, process_id_pairs[1].first);
  76   EXPECT_EQ(201, process_id_pairs[1].second);
  77 }
  78
  79 }  // namespace memory