8       a         = new Backbone.Model({id: 3, label: 'a'});
9       b         = new Backbone.Model({id: 2, label: 'b'});
10       c         = new Backbone.Model({id: 1, label: 'c'});
11       d         = new Backbone.Model({id: 0, label: 'd'});
25       return m1.id > m2.id ? -1 : 1;
30     col.comparator = function(model) { return model.id; };
40       {id: 3},
41       {id: 1},
42       {id: 2}
66     var comparator = function(model){ return model.id; };
68     var collection = new Backbone.Collection([{id: 1}], {
72     collection.add({id: 2});
83     assert.equal(col.get({id: 1}), c);
110     assert.ok(col.has(a.id));
111     assert.ok(col.has(b.id));
112     assert.ok(col.has(c.id));
113     assert.ok(col.has(d.id));
118     var outsider = new Backbone.Model({id: 4});
120     assert.notOk(col.has(outsider.id));
128       {id: 0, name: 'one'},
129       {id: 1, name: 'two'}
134     one.set({name: 'dalmatians', id: 101});
154     e = new Backbone.Model({id: 10, label: 'e'});
171     var f = new Backbone.Model({id: 20, label: 'f'});
172     var g = new Backbone.Model({id: 21, label: 'g'});
173     var h = new Backbone.Model({id: 22, label: 'h'});
207         return m1.id > m2.id ? -1 : 1;
211     var collection = new Col([{id: 2}, {id: 3}]);
212     collection.add(new Backbone.Model({id: 1}), {at: 1});
219     var collection = new Backbone.Collection([{id: 2}, {id: 3}]);
220     collection.add(new Backbone.Model({id: 1}), {at: 5});
226     var collection = new Backbone.Collection([{id: 1}, {id: 2}, {id: 1}, {id: 2}, {id: 3}]);
233     collection.unshift({id: 101});
234     collection.add({id: 101});
241     collection.add([{id: 1, name: 'Moe'}, {id: 2, name: 'Curly'}, {id: 3, name: 'Larry'}]);
242     collection.add({id: 1, name: 'Moses'});
244     collection.add({id: 1, name: 'Moses'}, {merge: true});
246     collection.add({id: 1, name: 'Tim'}, {merge: true, silent: true});
253     var m = new Backbone.Model({id: 10, label: 'm'});
302     collection.add({id: 1});
303     collection.add({model: {id: 1, name: 'Alf'}}, {parse: true, merge: true});
331       return this.negative(model.id);
333     collection.add([{id: 1}, {id: 2}, {id: 3}]);
336       return this.negative(m2.id) - this.negative(m1.id);
374         if (attrs.id % 2 !== 0) return 'odd';
380     var list = collection.add([{id: 2}, {id: 4}], {validate: true});
386     list = collection.add([{id: 3}, {id: 6}], {validate: true});
391     var result = collection.add({id: 6});
394     result = collection.remove({id: 6});
396     assert.equal(result.id, 6);
398     list = collection.remove([{id: 2}, {id: 8}]);
436       id: 5,  property in AnonymousFunctionf8dce19e2d00.modelData
461     var m = new Backbone.Model({id: 5, title: 'Othello'});
495     var m = new Backbone.Model({id: 5, title: 'Othello'});
682     var FooModel = Backbone.Model.extend({id: 'foo'});
717     assert.equal(col.some(function(model){ return model.id === 100; }), false);
718     assert.equal(col.some(function(model){ return model.id === 0; }), true);
719     assert.equal(col.reduce(function(m1, m2) {return m1.id > m2.id ? m1 : m2;}).id, 3);
720     assert.equal(col.reduceRight(function(m1, m2) {return m1.id > m2.id ? m1 : m2;}).id, 3);
733       .filter(function(o){ return o.id % 2 === 0; })
734       .map(function(o){ return o.id * 2; })
741     assert.deepEqual(col.groupBy(function(model){ return model.id; })[first.id], [first]);
742     assert.deepEqual(col.countBy(function(model){ return model.id; }), {0: 1, 1: 1, 2: 1, 3: 1});
743     assert.deepEqual(col.sortBy(function(model){ return model.id; })[0], col.at(3));
744     assert.ok(col.indexBy('id')[first.id] === first);
807     var f = new Backbone.Model({id: 20, label: 'f'});
818     var collection = new Backbone.Collection({id: 1});
819     collection.reset({id: 1, a: 1});
824     var model = new Backbone.Model({id: 1});
825     var collection = new Backbone.Collection({id: 1});
847     var collection = new Backbone.Collection([{id: 1}]);
851       assert.equal(opts.previousModels[0].id, 1);
891       {id: 1}, {id: 2}, {id: 3}, {id: 4}, {id: 5}, {id: 6}
902         if (attrs.id === 3) return "id can't be 3";
913     collection.add([{id: 1}, {id: 2}, {id: 3}, {id: 4}, {id: 5}, {id: 6}], {validate: true});
924     var model = new collection.model({id: 1, valid: true});
925     collection.add([model, {id: 2}], {validate: true});
939     collection.add([{id: 1}, {id: 1}]);
941     assert.equal(collection.last().id, 1);
954     var collection = new Backbone.Collection([{id: 1}], {model: Model});
961     var model = new Backbone.Model({id: 1});
963     model.set({id: null});
965     model.set({id: 1});
966     model.set({id: undefined});
973       comparator: function(model){ return model.id; }
1023     collection.create({id: 1});
1043     collection.create({id: 1}, options);
1058       {id: 1, x: 1},
1059       {id: 2, x: 2}
1062     collection.add({id: 1, x: 3}, {merge: true});
1100       added.push(model.id);
1102     collection.add([{id: 1, x: 1}, {id: 2, x: 2}]);
1123     var collection = new Backbone.Collection([{id: 1}, {id: 2}, {id: 3}], {
1128     collection.add({id: 1});
1129     collection.add([{id: 2}, {id: 3}]);
1130     collection.add({id: 4});
1136       namespace: [{id: 1}, {id: 2}]
1158       namespace: [{id: 1}, {id: 2}]
1191     var m2 = new Backbone.Model({id: 2});
1215     collection.set([m1, {id: 2, a: 1}], {merge: false});
1219     collection.set([m1, {id: 2, a: 0}, m3, {id: 4}], {add: false, remove: false});
1224     collection.set([{id: 2, a: 1}, m3]);
1237     collection.set([{id: 1}]);
1279     var m = new Model({id: 1});
1283     collection.set({id: 1, key: 'other'});
1286     collection.set({id: 1, other: 'value'});
1300     var data = [{id: 1, child: {id: 2}}];
1302     assert.equal(collection.first().id, 1);
1304     assert.equal(collection.first().id, 1);
1305     collection.set([{id: 2, child: {id: 2}}].concat(data));
1315     var model = new Model({id: 1});
1318       {model: {id: 1}},
1319       {model: {id: 2}}
1337     var one = new Backbone.Model({id: 1});
1338     var two = new Backbone.Model({id: 2});
1339     var three = new Backbone.Model({id: 3});
1341     collection.set([{id: 3}, {id: 2}, {id: 1}]);
1343     collection.set([{id: 1}, {id: 2}]);
1347     collection.set([{id: 1}, {id: 2}], {remove: false});
1349     collection.set([{id: 1}, {id: 2}, {id: 3}], {merge: false});
1351     collection.set([three, two, one, {id: 4}], {add: false});
1361     new Collection().push({id: 1});
1367     var model1 = collection.push({id: 101});
1368     var model2 = collection.push({id: 101});
1387     new Collection().add({id: 1}, {sort: false});
1397     var res = {status: 'ok', data: [{id: 1}]};
1446     }))([{id: 1}, {id: 2}, {id: 3}]);
1448     collection.add({id: 4}); // do sort, new model
1449     collection.add({id: 1, a: 1}, {merge: true}); // do sort, comparator change
1450     collection.add({id: 1, b: 1}, {merge: true}); // don't sort, no comparator change
1451     collection.add({id: 1, a: 1}, {merge: true}); // don't sort, no comparator change
1462     }))([{id: 1}, {id: 2}, {id: 3}]);
1464     collection.add({id: 4}); // do sort, new model
1465     collection.add({id: 1, a: 1}, {merge: true}); // do sort, model change
1466     collection.add({id: 1, b: 1}, {merge: true}); // do sort, model change
1467     collection.add({id: 1, a: 1}, {merge: true}); // don't sort, no model change
1505       coll.add({id: 2}, options);
1507     collection.set({id: 1});
1553       id: 1,  property in AnonymousFunctionf8dce19eb900.data
1555         id: 1,
1558           {id: 1, subName: 'One'},
1559           {id: 2, subName: 'Two'}
1562         id: 2,
1565           {id: 3, subName: 'Three'},
1566           {id: 4, subName: 'Four'}
1573       id: 1,  property in AnonymousFunctionf8dce19eb900.newData
1575         id: 1,
1578           {id: 1, subName: 'NewOne'},
1579           {id: 2, subName: 'NewTwo'}
1582         id: 2,
1585           {id: 3, subName: 'NewThree'},
1586           {id: 4, subName: 'NewFour'}
1615         assert.equal(model, this._byId[model.id]);
1623         assert.equal(this._byId[model.id], void 0);
1631     var model = collection.add({id: 1});
1641     collection.add([{id: 1}, {id: 1}]);
1645     collection.set([{id: 1}, {id: 1}]);
1653     collection.set([{id: 1}], {add: false});
1661     var model = new Backbone.Model({id: 1});
1673     assert.equal(StoogeCollection.prototype.modelId({id: 1}), 1);
1686     var collection = new C([{id: 1, type: 'a'}, {id: 2, type: 'b'}]);
1689     assert.equal(collection.at(0).id, 1);
1691     assert.equal(collection.at(1).id, 2);
1719         return attrs.type + '-' + attrs.id;
1722     collection = new C([{id: 1, type: 'a'}, {id: 1, type: 'b'}]);
1738     var c1 = new C1({id: 1});
1739     assert.equal(c1.get(1).id, 1);
1740     assert.equal(c1.modelId({id: 1}), 1);
1782     var one = new Backbone.Model({id: 1});
1783     var two = new Backbone.Model({id: 2});
1784     var three = new Backbone.Model({id: 3});
1789     collection.set([{id: 3}, {id: 2}, {id: 1}]);
1794     var one = new Backbone.Model({id: 1});
1795     var two = new Backbone.Model({id: 2});
1796     var three = new Backbone.Model({id: 3});
1801     collection.set([{id: 1}, {id: 2}, {id: 3}, {id: 0}]);
1806     var one = new Backbone.Model({id: 1});
1807     var two = new Backbone.Model({id: 2});
1808     var three = new Backbone.Model({id: 3});
1813     collection.set([{id: 1}, {id: 2}, {id: 3}]);
1818     var collection = new Backbone.Collection([{id: 1}]);
1819     collection.add([{id: 2}, {id: 3}], {at: -1});
1820     collection.add([{id: 2.5}], {at: -2});
1821     collection.add([{id: 0.5}], {at: -6});
1827     var collection = new Backbone.Collection([{id: 1}, {id: 2}]);
1828     collection.add([{id: 3}], {at: '1'});
1836     collection.add([{id: 1}, {id: 2}, {id: 3}]);
1841     var collection = new Backbone.Collection([{id: 1}, {id: 2}, {id: 3}]);
1843     collection.remove([{id: 1}, {id: 2}]);
1848     var collection = new Backbone.Collection([{id: 1}, {id: 2}]);
1850     collection.remove([{id: 3}]);
1855     var collection = new Backbone.Collection([{id: 1}, {id: 2}]);
1857     collection.set([{id: 1}, {id: 3}]);
1861     var collection = new Backbone.Collection([{id: 1}, {id: 2}]);
1867     collection.set([{id: 1}, {id: 2}]);
1882     var collection = new Collection([{id: 1}]);
1888     var collection = new Backbone.Collection([{id: 1}]);
1905     var model = new Backbone.Model({id: 1, title: 'First Post'});
1917     var model = new Backbone.Model({id: 1, title: 'First Post'});
1918     var model2 = new Backbone.Model({id: 2, title: 'Second Post'});
1932     var model = new Backbone.Model({id: 1, title: 'First Post'});
1943     var model = new Backbone.Model({id: 1, title: 'First Post'});
1944     var model2 = new Backbone.Model({id: 2, title: 'Second Post'});
1956     var model = new Backbone.Model({id: 1, title: 'First Post'});
1957     var model2 = new Backbone.Model({id: 2, title: 'Second Post'});
1958     var model3 = new Backbone.Model({id: 3, title: 'My Last Post'});
1971     var model = new Backbone.Model({id: 1, title: 'First Post'});
1972     var model2 = new Backbone.Model({id: 2, title: 'Second Post'});
1973     var model3 = new Backbone.Model({id: 3, title: 'My Last Post'});
1985     var model = new Backbone.Model({id: 1, title: 'First Post'});
1986     var model2 = new Backbone.Model({id: 2, title: 'Second Post'});
1987     var model2Update = new Backbone.Model({id: 2, title: 'Second Post V2'});
1998     var model = new Backbone.Model({id: 1, title: 'First Post'});
1999     var modelUpdate = new Backbone.Model({id: 1, title: 'First Post V2'});
2000     var model2 = new Backbone.Model({id: 2, title: 'Second Post'});
2001     var model2Update = new Backbone.Model({id: 2, title: 'Second Post V2'});
2014     var model = new Backbone.Model({id: 1, title: 'First Post'});