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-rw-r--r--absl/base/spinlock_test_common.cc13
1 files changed, 13 insertions, 0 deletions
diff --git a/absl/base/spinlock_test_common.cc b/absl/base/spinlock_test_common.cc
index 52ecf580..e9047158 100644
--- a/absl/base/spinlock_test_common.cc
+++ b/absl/base/spinlock_test_common.cc
@@ -51,6 +51,8 @@ struct SpinLockTest {
static int64_t DecodeWaitCycles(uint32_t lock_value) {
return SpinLock::DecodeWaitCycles(lock_value);
}
+
+ static bool IsCooperative(const SpinLock& l) { return l.IsCooperative(); }
};
namespace {
@@ -266,6 +268,17 @@ TEST(SpinLockWithThreads, DoesNotDeadlock) {
base_internal::NumCPUs() * 2);
}
+TEST(SpinLockTest, IsCooperative) {
+ SpinLock default_constructor;
+ EXPECT_TRUE(SpinLockTest::IsCooperative(default_constructor));
+
+ SpinLock cooperative(base_internal::SCHEDULE_COOPERATIVE_AND_KERNEL);
+ EXPECT_TRUE(SpinLockTest::IsCooperative(cooperative));
+
+ SpinLock kernel_only(base_internal::SCHEDULE_KERNEL_ONLY);
+ EXPECT_FALSE(SpinLockTest::IsCooperative(kernel_only));
+}
+
} // namespace
} // namespace base_internal
ABSL_NAMESPACE_END