Adds parallel test organization (actual test cases are still sequential)

[libcds.git] / test / stress / parallel / parallel-misc / mcslock_driver.cpp

diff --git a/test/stress/parallel/parallel-misc/mcslock_driver.cpp b/test/stress/parallel/parallel-misc/mcslock_driver.cpp
new file mode 100644 (file)
index 0000000..a4a9d17
--- /dev/null
+++ b/test/stress/parallel/parallel-misc/mcslock_driver.cpp
@@ -0,0 +1,45 @@
+#include "common.h"
+#include <atomic>
+#include <cds/gc/dhp.h>
+#include <cds/gc/hp.h>
+#include <cds/misc/mcs-lock.h>
+#include <cds_test/stress_test.h>
+#include <iostream>
+#include <memory>
+#include <thread>
+
+using namespace std;
+
+namespace {
+
+static size_t s_nMCSLockThreadCount = 6;
+static size_t s_nMCSLockPassCount = 3000000;
+
+class MCSLockTest : public cds_test::stress_fixture {
+protected:
+  static ullong x;
+
+  static void SetUpTestCase() {
+    cds_test::config const &cfg = get_config("SequentialMisc");
+    GetConfig(MCSLockPassCount);
+    GetConfig(MCSLockThreadCount);
+  }
+};
+
+ullong MCSLockTest::x;
+
+TEST_F(MCSLockTest, MCSLock) {
+  cds_others::BackoffTraits::lower_bound = 16;
+  cds_others::BackoffTraits::upper_bound = 1024;
+  std::unique_ptr<cds_others::mcs_mutex> my_mutex(new cds_others::mcs_mutex());
+  cds_others::mcs_mutex::guard g(my_mutex.get());
+  my_mutex->unlock(&g);
+  for (size_t i = 0; i < s_nMCSLockPassCount; i++) {
+    my_mutex->lock(&g);
+    x++;
+    my_mutex->unlock(&g);
+  }
+  my_mutex->lock(&g);
+}
+
+} // namespace