Latest Code

node_modules/strong-store-cluster/test/helper/do-concurrent-inc.js

@@ -0,0 +1,51 @@
+
+exports.run = run;
+exports.teardown = teardown;
+
+
+var ROUNDS = 100;
+assert = require('assert'),
+cluster = require('cluster'),
+store = require('../..');
+
+
+function run(cb) {
+  var left = ROUNDS,
+      coll = store.collection('counter');
+
+  increment();
+
+  function increment() {
+    coll.acquire('counter', function(err, lock, val) {
+      assert(!err);
+
+      if (!val)
+        val = 1;
+      else
+        val++;
+
+      lock.set(val);
+      lock.release();
+
+      if (--left > 0)
+        increment();
+      else
+        cb();
+    });
+  }
+}
+
+
+function teardown() {
+  if (cluster.isWorker)
+    process._channel.unref();
+
+  if (cluster.isMaster) {
+    store.collection('counter').get('counter', function(err, value) {
+      assert(value % ROUNDS === 0);
+      assert(value >= ROUNDS);
+    });
+  }
+}
+
+