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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /third_party/libwebrtc/api/field_trials_unittest.cc | |
parent | Initial commit. (diff) | |
download | thunderbird-upstream.tar.xz thunderbird-upstream.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | third_party/libwebrtc/api/field_trials_unittest.cc | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/third_party/libwebrtc/api/field_trials_unittest.cc b/third_party/libwebrtc/api/field_trials_unittest.cc new file mode 100644 index 0000000000..804b52a818 --- /dev/null +++ b/third_party/libwebrtc/api/field_trials_unittest.cc @@ -0,0 +1,152 @@ +/* + * Copyright 2022 The WebRTC Project Authors. All rights reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#include "api/field_trials.h" + +#include <memory> +#include <utility> + +#include "absl/strings/string_view.h" +#include "api/transport/field_trial_based_config.h" +#include "rtc_base/containers/flat_set.h" +#include "system_wrappers/include/field_trial.h" +#include "test/field_trial.h" +#include "test/gmock.h" +#include "test/gtest.h" + +#if GTEST_HAS_DEATH_TEST && !defined(WEBRTC_ANDROID) +#include "test/testsupport/rtc_expect_death.h" +#endif // GTEST_HAS_DEATH_TEST && !defined(WEBRTC_ANDROID) + +namespace webrtc { +namespace { + +using ::testing::NotNull; +using ::webrtc::field_trial::FieldTrialsAllowedInScopeForTesting; +using ::webrtc::test::ScopedFieldTrials; + +TEST(FieldTrialsTest, EmptyStringHasNoEffect) { + FieldTrialsAllowedInScopeForTesting k({"MyCoolTrial"}); + FieldTrials f(""); + f.RegisterKeysForTesting({"MyCoolTrial"}); + + EXPECT_FALSE(f.IsEnabled("MyCoolTrial")); + EXPECT_FALSE(f.IsDisabled("MyCoolTrial")); +} + +TEST(FieldTrialsTest, EnabledDisabledMustBeFirstInValue) { + FieldTrials f( + "MyCoolTrial/EnabledFoo/" + "MyUncoolTrial/DisabledBar/" + "AnotherTrial/BazEnabled/"); + f.RegisterKeysForTesting({"MyCoolTrial", "MyUncoolTrial", "AnotherTrial"}); + + EXPECT_TRUE(f.IsEnabled("MyCoolTrial")); + EXPECT_TRUE(f.IsDisabled("MyUncoolTrial")); + EXPECT_FALSE(f.IsEnabled("AnotherTrial")); +} + +TEST(FieldTrialsTest, FieldTrialsDoesNotReadGlobalString) { + FieldTrialsAllowedInScopeForTesting k({"MyCoolTrial", "MyUncoolTrial"}); + ScopedFieldTrials g("MyCoolTrial/Enabled/MyUncoolTrial/Disabled/"); + FieldTrials f(""); + f.RegisterKeysForTesting({"MyCoolTrial", "MyUncoolTrial"}); + + EXPECT_FALSE(f.IsEnabled("MyCoolTrial")); + EXPECT_FALSE(f.IsDisabled("MyUncoolTrial")); +} + +TEST(FieldTrialsTest, FieldTrialsWritesGlobalString) { + FieldTrialsAllowedInScopeForTesting k({"MyCoolTrial", "MyUncoolTrial"}); + FieldTrials f("MyCoolTrial/Enabled/MyUncoolTrial/Disabled/"); + EXPECT_TRUE(webrtc::field_trial::IsEnabled("MyCoolTrial")); + EXPECT_TRUE(webrtc::field_trial::IsDisabled("MyUncoolTrial")); +} + +TEST(FieldTrialsTest, FieldTrialsRestoresGlobalStringAfterDestruction) { + static constexpr char s[] = "SomeString/Enabled/"; + ScopedFieldTrials g(s); + { + FieldTrials f("SomeOtherString/Enabled/"); + EXPECT_STREQ(webrtc::field_trial::GetFieldTrialString(), + "SomeOtherString/Enabled/"); + } + EXPECT_STREQ(webrtc::field_trial::GetFieldTrialString(), s); +} + +#if GTEST_HAS_DEATH_TEST && !defined(WEBRTC_ANDROID) +TEST(FieldTrialsTest, FieldTrialsDoesNotSupportSimultaneousInstances) { + FieldTrials f("SomeString/Enabled/"); + RTC_EXPECT_DEATH(FieldTrials("SomeOtherString/Enabled/").Lookup("Whatever"), + "Only one instance"); +} +#endif // GTEST_HAS_DEATH_TEST && !defined(WEBRTC_ANDROID) + +TEST(FieldTrialsTest, FieldTrialsSupportsSeparateInstances) { + { FieldTrials f("SomeString/Enabled/"); } + { FieldTrials f("SomeOtherString/Enabled/"); } +} + +TEST(FieldTrialsTest, NonGlobalFieldTrialsInstanceDoesNotModifyGlobalString) { + FieldTrialsAllowedInScopeForTesting k({"SomeString"}); + std::unique_ptr<FieldTrials> f = + FieldTrials::CreateNoGlobal("SomeString/Enabled/"); + ASSERT_THAT(f, NotNull()); + f->RegisterKeysForTesting({"SomeString"}); + + EXPECT_TRUE(f->IsEnabled("SomeString")); + EXPECT_FALSE(webrtc::field_trial::IsEnabled("SomeString")); +} + +TEST(FieldTrialsTest, NonGlobalFieldTrialsSupportSimultaneousInstances) { + std::unique_ptr<FieldTrials> f1 = + FieldTrials::CreateNoGlobal("SomeString/Enabled/"); + std::unique_ptr<FieldTrials> f2 = + FieldTrials::CreateNoGlobal("SomeOtherString/Enabled/"); + ASSERT_THAT(f1, NotNull()); + ASSERT_THAT(f2, NotNull()); + f1->RegisterKeysForTesting({"SomeString", "SomeOtherString"}); + f2->RegisterKeysForTesting({"SomeString", "SomeOtherString"}); + + EXPECT_TRUE(f1->IsEnabled("SomeString")); + EXPECT_FALSE(f1->IsEnabled("SomeOtherString")); + + EXPECT_FALSE(f2->IsEnabled("SomeString")); + EXPECT_TRUE(f2->IsEnabled("SomeOtherString")); +} + +TEST(FieldTrialsTest, GlobalAndNonGlobalFieldTrialsAreDisjoint) { + FieldTrialsAllowedInScopeForTesting k({"SomeString", "SomeOtherString"}); + FieldTrials f1("SomeString/Enabled/"); + std::unique_ptr<FieldTrials> f2 = + FieldTrials::CreateNoGlobal("SomeOtherString/Enabled/"); + ASSERT_THAT(f2, NotNull()); + f1.RegisterKeysForTesting({"SomeString", "SomeOtherString"}); + f2->RegisterKeysForTesting({"SomeString", "SomeOtherString"}); + + EXPECT_TRUE(f1.IsEnabled("SomeString")); + EXPECT_FALSE(f1.IsEnabled("SomeOtherString")); + + EXPECT_FALSE(f2->IsEnabled("SomeString")); + EXPECT_TRUE(f2->IsEnabled("SomeOtherString")); +} + +TEST(FieldTrialsTest, FieldTrialBasedConfigReadsGlobalString) { + FieldTrialsAllowedInScopeForTesting k({"MyCoolTrial", "MyUncoolTrial"}); + ScopedFieldTrials g("MyCoolTrial/Enabled/MyUncoolTrial/Disabled/"); + FieldTrialBasedConfig f; + f.RegisterKeysForTesting({"MyCoolTrial", "MyUncoolTrial"}); + + EXPECT_TRUE(f.IsEnabled("MyCoolTrial")); + EXPECT_TRUE(f.IsDisabled("MyUncoolTrial")); +} + +} // namespace +} // namespace webrtc |