342   QUnit.test('remove', function(assert) {
346     col.on('remove', function(model, collection, options) {
351     result = col.remove(d);
354     //if we try to remove d again, it's not going to actually get removed
355     result = col.remove(d);
360     result = col.remove([c, d]);
363     result = col.remove([c, b]);
366     result = col.remove([]);
370   QUnit.test('add and remove return values', function(assert) {
394     result = collection.remove({id: 6});
398     list = collection.remove([{id: 2}, {id: 8}]);
419   QUnit.test('events are unbound on remove', function(assert) {
433   QUnit.test('remove in multiple collections', function(assert) {
442     m2.on('remove', function() {
450     col1.remove(m1);
453     col2.remove(m1);
458   QUnit.test('remove same model in multiple collection', function(assert) {
462     m.on('remove', function(model, collection) {
472     col1.on('remove', function(model, collection) {
477     col2.on('remove', function(model, collection) {
482     col2.remove(m);
487     col1.remove(m);
888   QUnit.test('#574, remove its own reference to the .models array.', function(assert) {
894     collection.remove(collection.models);
1195     // Test add/change/remove events
1202     collection.on('remove', function(model) {
1206     // remove: false doesn't remove any models
1207     collection.set([], {remove: false});
1218     // add: false, remove: false only merges existing models
1219     collection.set([m1, {id: 2, a: 0}, m3, {id: 4}], {add: false, remove: false});
1223     // default options add/remove/merge as appropriate
1229     collection.off('remove').on('remove', function(model) {
1251     collection.set([m1, m1, m1, m2, m2], {remove: false});
1269     collection.set([m1, m1, m1, m2, m2], {remove: false});
1347     collection.set([{id: 1}, {id: 2}], {remove: false});
1608     var calls = {add: 0, remove: 0};  property in AnonymousFunctionf8dce19ebe00.calls
1622         calls.remove++;
1632     collection.remove(model);
1635     assert.equal(calls.remove, 1);
1843     collection.remove([{id: 1}, {id: 2}]);
1846   QUnit.test('remove does not trigger `update` when nothing removed', function(assert) {
1850     collection.remove([{id: 3}]);
1904   QUnit.test("#3711 - remove's `update` event returns one removed model", function(assert) {
1913     collection.remove(model);
1916   QUnit.test("#3711 - remove's `update` event returns multiple removed models", function(assert) {
1928     collection.remove([model, model2]);