add a mongomutextest

1 files changed, 67 insertions, 2 deletions

diff --git a/dbtests/threadedtests.cpp b/dbtests/threadedtests.cpp
index 8891594537c..5c94067d591 100644
--- a/dbtests/threadedtests.cpp
+++ b/dbtests/threadedtests.cpp
@@ -39,9 +39,7 @@ namespace ThreadedTests {
 
         void run() {
             setup();
-
             launch_subthreads(nthreads);
-
             validate();
         }
 
@@ -59,6 +57,72 @@ namespace ThreadedTests {
         }
     };
 
+    class MongoMutexTest : public ThreadedTest<> { 
+        enum { N = 1000000 };
+        MongoMutex *mm;
+        virtual void setup() { 
+            mm = new MongoMutex("MongoMutexTest");
+        }
+        virtual void subthread() { 
+            Client::initThread("mongomutextest");
+            sleepmillis(0);
+            for( int i = 0; i < N; i++ ) { 
+                if( i % 20000 == 0 ) 
+                    log() << i << endl;
+                if( i % 7 == 0 ) { 
+                    mm->lock_shared();
+                    mm->lock_shared();
+                    mm->unlock_shared();
+                    mm->unlock_shared();
+                }
+                else if( i % 7 == 1 ) { 
+                    mm->lock_shared();
+                    ASSERT( mm->atLeastReadLocked() );
+                    mm->unlock_shared();
+                }
+                else if( i % 7 == 2 ) { 
+                    mm->lock();
+                    ASSERT( mm->isWriteLocked() );
+                    mm->unlock();
+                }
+                else if( i % 7 == 3 ) { 
+                    mm->lock();
+                    mm->lock_shared();
+                    ASSERT( mm->isWriteLocked() );
+                    mm->unlock_shared();
+                    mm->unlock();
+                }
+                else if( i % 7 == 4 ) { 
+                    mm->lock();
+                    mm->releaseEarly();
+                    mm->unlock();
+                }
+                else if( i % 7 == 5 ) { 
+                    if( mm->lock_try(1) ) { 
+                        mm->unlock();
+                    }
+                }
+                else if( i % 7 == 6 ) { 
+                    if( mm->lock_shared_try(0) ) { 
+                        mm->unlock_shared();
+                    }
+                }
+                else { 
+                    mm->lock_shared();
+                    mm->unlock_shared();
+                }
+            }
+            cc().shutdown();
+        }
+        virtual void validate() { 
+            ASSERT( !mm->atLeastReadLocked() );
+            mm->lock();
+            mm->unlock();
+            mm->lock_shared();
+            mm->unlock_shared();
+        }
+    };
+
     // Tested with up to 30k threads
     class IsAtomicUIntAtomic : public ThreadedTest<> {
         static const int iterations = 1000000;
@@ -153,6 +217,7 @@ namespace ThreadedTests {
             add< MVarTest >();
             add< ThreadPoolTest >();
             add< LockTest >();
+            add< MongoMutexTest >();
         }
     } myall;
 }