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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "base/metrics/field_trial.h" | 5 #include "base/metrics/field_trial.h" |
6 | 6 |
7 #include <stddef.h> | 7 #include <stddef.h> |
8 | 8 |
9 #include "base/base_switches.h" | 9 #include "base/base_switches.h" |
10 #include "base/build_time.h" | 10 #include "base/build_time.h" |
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1136 ""); | 1136 ""); |
1137 } | 1137 } |
1138 | 1138 |
1139 TEST(FieldTrialListTest, TestCopyFieldTrialStateToFlags) { | 1139 TEST(FieldTrialListTest, TestCopyFieldTrialStateToFlags) { |
1140 base::FieldTrialList field_trial_list( | 1140 base::FieldTrialList field_trial_list( |
1141 base::MakeUnique<base::MockEntropyProvider>()); | 1141 base::MakeUnique<base::MockEntropyProvider>()); |
1142 base::FieldTrialList::CreateFieldTrial("Trial1", "Group1"); | 1142 base::FieldTrialList::CreateFieldTrial("Trial1", "Group1"); |
1143 base::FilePath test_file_path = base::FilePath(FILE_PATH_LITERAL("Program")); | 1143 base::FilePath test_file_path = base::FilePath(FILE_PATH_LITERAL("Program")); |
1144 base::CommandLine cmd_line = base::CommandLine(test_file_path); | 1144 base::CommandLine cmd_line = base::CommandLine(test_file_path); |
1145 | 1145 |
1146 std::unique_ptr<base::SharedMemory> field_trial_state = | 1146 base::FieldTrialList::CopyFieldTrialStateToFlags("field-trial-handle", |
1147 base::FieldTrialList::CopyFieldTrialStateToFlags("field-trial-handle", | 1147 &cmd_line); |
1148 &cmd_line); | |
1149 | 1148 |
1150 EXPECT_TRUE(field_trial_state.get() == nullptr); | |
1151 EXPECT_TRUE(cmd_line.HasSwitch(switches::kForceFieldTrials)); | 1149 EXPECT_TRUE(cmd_line.HasSwitch(switches::kForceFieldTrials)); |
1152 } | 1150 } |
1153 | 1151 |
1152 TEST(FieldTrialListTest, InstantiateAllocator) { | |
Alexei Svitkine (slow)
2016/10/20 17:50:29
This test would pass if the function didn't add an
lawrencewu
2016/10/21 16:41:58
Done.
| |
1153 // Test that instantiating the allocator twice doesn't create a new allocator | |
1154 // or re-add any field trials. | |
1155 base::FieldTrialList field_trial_list( | |
1156 base::MakeUnique<base::MockEntropyProvider>()); | |
Alexei Svitkine (slow)
2016/10/20 17:50:29
You can just pass in nullptr.
lawrencewu
2016/10/21 16:41:58
Done.
| |
1157 base::FieldTrialList::CreateFieldTrial("Trial1", "Group1"); | |
1158 | |
1159 EXPECT_TRUE(base::FieldTrialList::GetFieldTrialAllocatorForTesting() == | |
1160 nullptr); | |
Alexei Svitkine (slow)
2016/10/20 17:50:29
EXPECT_EQ or just EXPECT_FALSE
lawrencewu
2016/10/21 16:41:58
Done.
| |
1161 base::FieldTrialList::InstantiateFieldTrialAllocatorIfNeeded(); | |
1162 void* memory = | |
1163 base::FieldTrialList::GetFieldTrialAllocatorForTesting()->shared_memory(); | |
1164 size_t used = | |
1165 base::FieldTrialList::GetFieldTrialAllocatorForTesting()->used(); | |
1166 | |
1167 // Ensure that the function is idempotent. | |
1168 base::FieldTrialList::InstantiateFieldTrialAllocatorIfNeeded(); | |
Alexei Svitkine (slow)
2016/10/20 17:50:29
After this test runs, it sounds like it will leave
lawrencewu
2016/10/21 16:41:58
Done.
| |
1169 void* new_memory = | |
1170 base::FieldTrialList::GetFieldTrialAllocatorForTesting()->shared_memory(); | |
1171 size_t new_used = | |
1172 base::FieldTrialList::GetFieldTrialAllocatorForTesting()->used(); | |
1173 EXPECT_TRUE(memory == new_memory); | |
Alexei Svitkine (slow)
2016/10/20 17:50:29
EXPECT_EQ
lawrencewu
2016/10/21 16:41:58
Done.
| |
1174 EXPECT_TRUE(used == new_used); | |
1175 } | |
1176 | |
1154 } // namespace base | 1177 } // namespace base |
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