Added test for #90

Author: mkoppanen

tests/gh_90.phpt

@@ -0,0 +1,93 @@
+--TEST--
+Test for GH #90
+--SKIPIF--
+<?php if (!extension_loaded("memcached")) print "skip"; ?>
+--FILE--
+<?php
+//Setup MemcacheD
+{
+    $memcached = new Memcached();
+    $memcached->setOptions(array(memcached::OPT_BINARY_PROTOCOL => true));
+    $memcached->addServers(array(array('127.0.0.1', 11211, 100)));
+}
+
+// Create a key for use as a lock.  If this key already exists, wait till it doesn't exist.
+{
+    $key = 'LockKey';
+    $lockToken = mt_rand(0, pow(2, 32)); //Random value betwen 0 and 2^32 for ownership verification
+
+    while (true)
+    {
+        $casToken = null;
+        $data = $memcached->get($key, $casToken);
+        if ($memcached->getResultCode() == Memcached::RES_NOTFOUND)
+        {
+            if ($memcached->add($key, $lockToken, 5))
+            {
+                break;
+            }
+        }
+        elseif ($data === false)
+        {
+            if ($memcached->cas($casToken, $key, $lockToken, 5))
+            {
+                break;
+            }
+        }
+
+        //Sleep 10 milliseconds
+        usleep(10 * 1000);
+    }
+}
+
+//Do something here that requires exclusive access to this key
+
+//Effectively delete our key lock.
+{
+    $casToken = null;
+    if ($lockToken == $memcached->get($key, $casToken))
+    {
+        $memcached->cas($casToken, $key, false, 1);
+    }
+}
+
+//Create 10 keys and then increment them.  The first value returned will be wrong.
+{
+    $keyList = array();
+    for ($i = 0; $i < 10; $i++)
+    {
+        $keyList[] = $i . '_' . uniqid ('count_value_');
+    }
+
+    $valueList = array();
+    foreach ($keyList as $key)
+    {
+        $valueList[$key] = $memcached->increment($key, 1, 1);
+    }
+
+    var_dump ($valueList);
+}
+
+--EXPECTF--
+array(10) {
+  ["0_%s"]=>
+  int(1)
+  ["1_%s"]=>
+  int(1)
+  ["2_%s"]=>
+  int(1)
+  ["3_%s"]=>
+  int(1)
+  ["4_%s"]=>
+  int(1)
+  ["5_%s"]=>
+  int(1)
+  ["6_%s"]=>
+  int(1)
+  ["7_%s"]=>
+  int(1)
+  ["8_%s"]=>
+  int(1)
+  ["9_%s"]=>
+  int(1)
+}