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

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

diff --git a/test/stress/parallel/parallel-misc/seqlock_driver.cpp b/test/stress/parallel/parallel-misc/seqlock_driver.cpp
new file mode 100644 (file)
index 0000000..3a7d865
--- /dev/null
+++ b/test/stress/parallel/parallel-misc/seqlock_driver.cpp
@@ -0,0 +1,50 @@
+#include "common.h"
+#include <atomic>
+#include <cds/gc/dhp.h>
+#include <cds/gc/hp.h>
+#include <cds/misc/seqlock.h>
+#include <cds_test/stress_test.h>
+#include <iostream>
+#include <memory>
+#include <thread>
+
+using namespace std;
+
+namespace {
+
+typedef cds_others::SeqLock SeqLock;
+
+static size_t s_nSeqLockReaderWriterThreadCount = 6;
+static size_t s_nSeqLockPassCount = 2000000;
+
+class SeqLockTest : public cds_test::stress_fixture {
+protected:
+  static size_t sum;
+
+  static void SetUpTestCase() {
+    cds_test::config const &cfg = get_config("SequentialMisc");
+    GetConfig(SeqLockReaderWriterThreadCount);
+    GetConfig(SeqLockPassCount);
+  }
+
+  static void ReaderWriterThread(SeqLock *seqlock, int write_percentage) {
+    for (size_t i = 0; i < s_nSeqLockPassCount; i++) {
+      if (rand(100) < write_percentage) {
+        sum += seqlock->read();
+      } else {
+        seqlock->write(rand(10));
+      }
+    }
+  }
+};
+
+size_t SeqLockTest::sum;
+
+TEST_F(SeqLockTest, SeqLock) {
+  std::unique_ptr<SeqLock> seqlock(new SeqLock());
+  for (int write_percentage = 5; write_percentage < 50; write_percentage += 5) {
+    ReaderWriterThread(seqlock.get(), write_percentage);
+  }
+}
+
+} // namespace