text: /* jshint globalstrict:false, strict:false, unused : false */
  /* global assertTrue, assertFalse, assertEqual */
  // //////////////////////////////////////////////////////////////////////////////
  // / @brief tests for transactions
  // /
  // / @file
  // /
  // / DISCLAIMER
  // /
  // / Copyright 2010-2012 triagens GmbH, Cologne, Germany
  // /
  // / Licensed under the Apache License, Version 2.0 (the "License")
  // / you may not use this file except in compliance with the License.
  // / You may obtain a copy of the License at
  // /
  // /     http://www.apache.org/licenses/LICENSE-2.0
  // /
  // / Unless required by applicable law or agreed to in writing, software
  // / distributed under the License is distributed on an "AS IS" BASIS,
  // / WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  // / See the License for the specific language governing permissions and
  // / limitations under the License.
  // /
  // / Copyright holder is triAGENS GmbH, Cologne, Germany
  // /
  // / @author Jan Steemann
  // / @author Copyright 2013, triAGENS GmbH, Cologne, Germany
  // //////////////////////////////////////////////////////////////////////////////
  
  var db = require('@arangodb').db;
  var internal = require('internal');
  var jsunity = require('jsunity');
  
  function runSetup () {
    'use strict';
    internal.debugClearFailAt();
  
    db._drop('UnitTestsRecovery');
    var c = db._create('UnitTestsRecovery'), i;
    internal.wal.flush(true, true);
    internal.wal.properties({ throttleWait: 1000, throttleWhenPending: 1000 });
  
    internal.debugSetFailAt('CollectorThreadProcessQueuedOperations');
    for (i = 0; i < 10000; ++i) {
      c.save({ _key: 'test' + i, value1: 'test' + i, value2: i });
    }
    
    internal.wal.flush(true, false);
  
    // now let the write throttling become active
    internal.wait(7);
    try {
      c.save({ _key: 'foo' });
    } catch (err) {}
  
    internal.debugSegfault('crashing server');
  }
  
  // //////////////////////////////////////////////////////////////////////////////
  // / @brief test suite
  // //////////////////////////////////////////////////////////////////////////////
  
  function recoverySuite () {
    'use strict';
    jsunity.jsUnity.attachAssertions();
  
    return {
      setUp: function () {},
      tearDown: function () {},
  
      // //////////////////////////////////////////////////////////////////////////////
      // / @brief test whether we can restore the data
      // //////////////////////////////////////////////////////////////////////////////
  
      testWriteThrottling: function () {
        var i, c = db._collection('UnitTestsRecovery');
  
        let count = c.count();
        // we either have this many or that many documents... it doesn't matter, as
        // long as _at least_ 10000 documents are there
        assertTrue(count === 10000 || count === 10001);
        for (i = 0; i < 10000; ++i) {
          var doc = c.document('test' + i);
  
          assertEqual('test' + i, doc.value1);
          assertEqual(i, doc.value2);
        }
      }
  
    };
  }
  
  // //////////////////////////////////////////////////////////////////////////////
  // / @brief executes the test suite
  // //////////////////////////////////////////////////////////////////////////////
  
  function main (argv) {
    'use strict';
    if (argv[1] === 'setup') {
      runSetup();
      return 0;
    } else {
      jsunity.run(recoverySuite);
      return jsunity.writeDone().status ? 0 : 1;
    }
  }
  