150     assert.deepEqual(model.invert(), {a: 'foo', b: 'bar', c: 'baz'});  property
156     var model = new Backbone.Model({a: 0, b: 1, c: 2});  property
258     var model = new Backbone.Model({a: 0});  property
264     model.set({a: 3, b: true});  property
361     var model = new Backbone.Model({a: 1});  property
363     model.set({a: 2});  property
371     var model = new Backbone.Model({a: 1});  property
456       defaults: {  property
468       defaults: function() {  method
479       defaults: {hasOwnProperty: true}  property
508     var model = new Backbone.Model({a: 'a', b: 'b'});  property
510     assert.equal(model.changedAttributes({a: 'a'}), false);  property
511     assert.equal(model.changedAttributes({a: 'b'}).a, 'b');  property
641     doc.clear().set({id: 1, a: 1, b: 2, c: 3, d: 4});  property
789     var result = model.set({a: 100});  property
795     result = model.set({a: 200, admin: false}, {validate: true});  property
834     var result = model.set({a: 100}, {validate: true});  property
839     result = model.set({a: 200, admin: true}, {validate: true});  property
849       defaults: {one: 1},  property
901     var changed = 0, model = new Backbone.Model({a: null});  property
908     .set({a: undefined});  property
926     model.set({a: 'a', b: 'b', c: 'c'});  property
1004     model.save({a: 1});  property
1217     model.set({a: true});  property
1296       defaults: {one: 1},  property
1335       model.set({a: 'c'}, {silent: true});  property
1340     model.set({a: 'a', b: 1, c: 'item'});  property
1342     assert.deepEqual(model.attributes, {a: 'c', b: 2});  property
1359       model.set({a: 'c'}, {silent: true});  property
1361     model.set({a: 'a'});  property
1363     model.set({a: 'a'});  property
1368     var model = new Backbone.Model({a: {key: 'value'}});  property
1435     model.set({a: true});  property