text: // 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.
  
  couchTests.view_offsets = function(debug) {
    if (debug) debugger;      
  
    var db = new CouchDB("test_suite_db");
    db.deleteDb();
    db.createDb();
    
    var designDoc = {
      _id : "_design/test",
      views : {
        offset : {
          map : "function(doc) { emit([doc.letter, doc.number], doc); }",
        }
      }
    };
    T(db.save(designDoc).ok);
    
    var docs = [
      {_id : "a1", letter : "a", number : 1, foo: "bar"},
      {_id : "a2", letter : "a", number : 2, foo: "bar"},
      {_id : "a3", letter : "a", number : 3, foo: "bar"},
      {_id : "b1", letter : "b", number : 1, foo: "bar"},
      {_id : "b2", letter : "b", number : 2, foo: "bar"},
      {_id : "b3", letter : "b", number : 3, foo: "bar"},
      {_id : "b4", letter : "b", number : 4, foo: "bar"},
      {_id : "b5", letter : "b", number : 5, foo: "bar"},
      {_id : "c1", letter : "c", number : 1, foo: "bar"},
      {_id : "c2", letter : "c", number : 2, foo: "bar"},
    ];
    db.bulkSave(docs);
  
    var check = function(startkey, offset) {
      var opts = {startkey: startkey, descending: true};
      T(db.view("test/offset", opts).offset == offset);
    };
  
    [
        [["c", 2], 0],
        [["c", 1], 1],
        [["b", 5], 2],
        [["b", 4], 3],
        [["b", 3], 4],
        [["b", 2], 5],
        [["b", 1], 6],
        [["a", 3], 7],
        [["a", 2], 8],
        [["a", 1], 9]
    ].forEach(function(row){ check(row[0], row[1]);});
  
    var runTest = function () {
      var db = new CouchDB("test_suite_db");
      db.deleteDb();
      db.createDb();
  
      var designDoc = {
        _id : "_design/test",
        views : {
          offset : {
            map : "function(doc) { emit([doc.letter, doc.number], doc);}",
          }
        }
      };
      T(db.save(designDoc).ok);
  
      var docs = [
        {_id : "a1", letter : "a", number : 1, foo : "bar"},
        {_id : "a2", letter : "a", number : 2, foo : "bar"},
        {_id : "a3", letter : "a", number : 3, foo : "bar"},
        {_id : "b1", letter : "b", number : 1, foo : "bar"},
        {_id : "b2", letter : "b", number : 2, foo : "bar"},
        {_id : "b3", letter : "b", number : 3, foo : "bar"},
        {_id : "b4", letter : "b", number : 4, foo : "bar"},
        {_id : "b5", letter : "b", number : 5, foo : "bar"},
        {_id : "c1", letter : "c", number : 1, foo : "bar"},
        {_id : "c2", letter : "c", number : 2, foo : "bar"}
      ];
      db.bulkSave(docs);
  
      var res = db.view("test/offset", { 
        startkey: ["b",4], startkey_docid: "b4", endkey: ["b"], 
        limit: 2, descending: true, skip: 1
      })
  
      return res.offset == 4;
    };
  
    for(var i = 0; i < 15; i++) T(runTest());
  }
  
  