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_sandboxing = function(debug) {
    var db = new CouchDB("test_suite_db", {"X-Couch-Full-Commit":"false"});
    db.deleteDb();
    db.createDb();
    if (debug) debugger;
  
    var doc = {integer: 1, string: "1", array: [1, 2, 3]};
    T(db.save(doc).ok);
  /*
    // make sure that attempting to change the document throws an error
    var results = db.query(function(doc) {
      doc.integer = 2;
      emit(null, doc);
    });
    T(results.total_rows == 0);
  
    var results = db.query(function(doc) {
      doc.array[0] = 0;
      emit(null, doc);
    });
    T(results.total_rows == 0);
  */
    // make sure that a view cannot invoke interpreter internals such as the
    // garbage collector
    var results = db.query(function(doc) {
      gc();
      emit(null, doc);
    });
    T(results.total_rows == 0);
  
    // make sure that a view cannot access the map_funs array defined used by
    // the view server
    var results = db.query(function(doc) { map_funs.push(1); emit(null, doc); });
    T(results.total_rows == 0);
  
    // make sure that a view cannot access the map_results array defined used by
    // the view server
    var results = db.query(function(doc) { map_results.push(1); emit(null, doc); });
    T(results.total_rows == 0);
  
    // test for COUCHDB-925
    // altering 'doc' variable in map function affects other map functions
    var ddoc = {
      _id: "_design/foobar",
      language: "javascript",
      views: {
        view1: {
          map:
            (function(doc) {
              if (doc.values) {
                doc.values = [666];
              }
              if (doc.tags) {
                doc.tags.push("qwerty");
              }
              if (doc.tokens) {
                doc.tokens["c"] = 3;
              }
            }).toString()
        },
        view2: {
          map:
            (function(doc) {
              if (doc.values) {
                emit(doc._id, doc.values);
              }
              if (doc.tags) {
                emit(doc._id, doc.tags);
              }
              if (doc.tokens) {
                emit(doc._id, doc.tokens);
              }
            }).toString()
        }
      }
    };
    var doc1 = {
      _id: "doc1",
      values: [1, 2, 3]
    };
    var doc2 = {
      _id: "doc2",
      tags: ["foo", "bar"],
      tokens: {a: 1, b: 2}
    };
  
    db.deleteDb();
    db.createDb();
    T(db.save(ddoc).ok);
    T(db.save(doc1).ok);
    T(db.save(doc2).ok);
  
    var view1Results = db.view(
      "foobar/view1", {bypass_cache: Math.round(Math.random() * 1000)});
    var view2Results = db.view(
      "foobar/view2", {bypass_cache: Math.round(Math.random() * 1000)});
  
    TEquals(0, view1Results.rows.length, "view1 has 0 rows");
    TEquals(3, view2Results.rows.length, "view2 has 3 rows");
  
    TEquals(doc1._id, view2Results.rows[0].key);
    TEquals(doc2._id, view2Results.rows[1].key);
    TEquals(doc2._id, view2Results.rows[2].key);
  
    // https://bugzilla.mozilla.org/show_bug.cgi?id=449657
    TEquals(3, view2Results.rows[0].value.length,
      "Warning: installed SpiderMonkey version doesn't allow sealing of arrays");
    if (view2Results.rows[0].value.length === 3) {
      TEquals(1, view2Results.rows[0].value[0]);
      TEquals(2, view2Results.rows[0].value[1]);
      TEquals(3, view2Results.rows[0].value[2]);
    }
  
    TEquals(1, view2Results.rows[1].value["a"]);
    TEquals(2, view2Results.rows[1].value["b"]);
    TEquals('undefined', typeof view2Results.rows[1].value["c"],
      "doc2.tokens object was not sealed");
  
    TEquals(2, view2Results.rows[2].value.length,
      "Warning: installed SpiderMonkey version doesn't allow sealing of arrays");
    if (view2Results.rows[2].value.length === 2) {
      TEquals("foo", view2Results.rows[2].value[0]);
      TEquals("bar", view2Results.rows[2].value[1]);
    }
  
    // cleanup
    db.deleteDb();
  };
  