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Unified Diff: base/task_scheduler/task_traits_unittest.cc

Issue 2829083002: Add constexpr TaskTraits constructor. (Closed)
Patch Set: remove-comma Created 3 years, 8 months ago
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Index: base/task_scheduler/task_traits_unittest.cc
diff --git a/base/task_scheduler/task_traits_unittest.cc b/base/task_scheduler/task_traits_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..ed9065f7144ac0d20f6906879f991213f7d2b3be
--- /dev/null
+++ b/base/task_scheduler/task_traits_unittest.cc
@@ -0,0 +1,81 @@
+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "base/task_scheduler/task_traits.h"
+
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace base {
+
+TEST(TaskSchedulerTaskTraitsTest, Default) {
+ constexpr TaskTraits traits = {};
+ EXPECT_FALSE(traits.priority_set_explicitly());
+ EXPECT_EQ(TaskPriority::USER_VISIBLE, traits.priority());
+ EXPECT_EQ(TaskShutdownBehavior::SKIP_ON_SHUTDOWN, traits.shutdown_behavior());
+ EXPECT_FALSE(traits.may_block());
+ EXPECT_FALSE(traits.with_base_sync_primitives());
+}
+
+TEST(TaskSchedulerTaskTraitsTest, TaskPriority) {
+ constexpr TaskTraits traits = {TaskPriority::BACKGROUND};
+ EXPECT_TRUE(traits.priority_set_explicitly());
+ EXPECT_EQ(TaskPriority::BACKGROUND, traits.priority());
+ EXPECT_EQ(TaskShutdownBehavior::SKIP_ON_SHUTDOWN, traits.shutdown_behavior());
+ EXPECT_FALSE(traits.may_block());
+ EXPECT_FALSE(traits.with_base_sync_primitives());
+}
+
+TEST(TaskSchedulerTaskTraitsTest, TaskShutdownBehavior) {
+ constexpr TaskTraits traits = {TaskShutdownBehavior::BLOCK_SHUTDOWN};
+ EXPECT_FALSE(traits.priority_set_explicitly());
+ EXPECT_EQ(TaskPriority::USER_VISIBLE, traits.priority());
+ EXPECT_EQ(TaskShutdownBehavior::BLOCK_SHUTDOWN, traits.shutdown_behavior());
+ EXPECT_FALSE(traits.may_block());
+ EXPECT_FALSE(traits.with_base_sync_primitives());
+}
+
+TEST(TaskSchedulerTaskTraitsTest, MayBlock) {
+ constexpr TaskTraits traits = {MayBlock()};
+ EXPECT_FALSE(traits.priority_set_explicitly());
+ EXPECT_EQ(TaskPriority::USER_VISIBLE, traits.priority());
+ EXPECT_EQ(TaskShutdownBehavior::SKIP_ON_SHUTDOWN, traits.shutdown_behavior());
+ EXPECT_TRUE(traits.may_block());
+ EXPECT_FALSE(traits.with_base_sync_primitives());
+}
+
+TEST(TaskSchedulerTaskTraitsTest, WithBaseSyncPrimitives) {
+ constexpr TaskTraits traits = {WithBaseSyncPrimitives()};
+ EXPECT_FALSE(traits.priority_set_explicitly());
+ EXPECT_EQ(TaskPriority::USER_VISIBLE, traits.priority());
+ EXPECT_EQ(TaskShutdownBehavior::SKIP_ON_SHUTDOWN, traits.shutdown_behavior());
+ EXPECT_FALSE(traits.may_block());
+ EXPECT_TRUE(traits.with_base_sync_primitives());
+}
+
+TEST(TaskSchedulerTaskTraitsTest, MultipleTraits) {
+ constexpr TaskTraits traits = {TaskPriority::BACKGROUND,
+ TaskShutdownBehavior::BLOCK_SHUTDOWN,
+ MayBlock(), WithBaseSyncPrimitives()};
+ EXPECT_TRUE(traits.priority_set_explicitly());
+ EXPECT_EQ(TaskPriority::BACKGROUND, traits.priority());
+ EXPECT_EQ(TaskShutdownBehavior::BLOCK_SHUTDOWN, traits.shutdown_behavior());
+ EXPECT_TRUE(traits.may_block());
+ EXPECT_TRUE(traits.with_base_sync_primitives());
+}
+
+TEST(TaskSchedulerTaskTraitsTest, Copy) {
+ constexpr TaskTraits traits = {TaskPriority::BACKGROUND,
+ TaskShutdownBehavior::BLOCK_SHUTDOWN,
+ MayBlock(), WithBaseSyncPrimitives()};
+ constexpr TaskTraits traits_copy(traits);
+ EXPECT_EQ(traits.priority_set_explicitly(),
+ traits_copy.priority_set_explicitly());
+ EXPECT_EQ(traits.priority(), traits_copy.priority());
+ EXPECT_EQ(traits.shutdown_behavior(), traits_copy.shutdown_behavior());
+ EXPECT_EQ(traits.may_block(), traits_copy.may_block());
+ EXPECT_EQ(traits.with_base_sync_primitives(),
+ traits_copy.with_base_sync_primitives());
+}
+
+} // namespace base
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