Update vendors.

Former-commit-id: 94bb6b8541c223d3ef6eb8aad5fb5925f2d3be48

vendor/backbone/test/model.js

@@ -740,9 +740,9 @@ $(document).ready(function() {
       model.set({b: 2}, {silent: true});
     });
     model.set({b: 0});
-    deepEqual(changes, [0, 1, 1]);
+    deepEqual(changes, [0, 1]);
     model.change();
-    deepEqual(changes, [0, 1, 1, 2, 1]);
+    deepEqual(changes, [0, 1, 2, 1]);
   });
 
   test("nested set multiple times", 1, function() {
@@ -816,4 +816,66 @@ $(document).ready(function() {
     strictEqual(model.save(), false);
   });
 
+  test("#1377 - Save without attrs triggers 'error'.", 1, function() {
+    var Model = Backbone.Model.extend({
+      url: '/test/',
+      sync: function(method, model, options){ options.success(); },
+      validate: function(){ return 'invalid'; }
+    });
+    var model = new Model({id: 1});
+    model.on('error', function(){ ok(true); });
+    model.save();
+  });
+
+  test("#1545 - `undefined` can be passed to a model constructor without coersion", function() {
+    var Model = Backbone.Model.extend({
+      defaults: { one: 1 },
+      initialize : function(attrs, opts) {
+        equal(attrs, undefined);
+      }
+    });
+    var emptyattrs = new Model();
+    var undefinedattrs = new Model(undefined);
+  });
+
+  asyncTest("#1478 - Model `save` does not trigger change on unchanged attributes", 0, function() {
+    var Model = Backbone.Model.extend({
+      sync: function(method, model, options) {
+        setTimeout(function(){
+          options.success();
+          start();
+        }, 0);
+      }
+    });
+    new Model({x: true})
+    .on('change:x', function(){ ok(false); })
+    .save(null, {wait: true});
+  });
+
+  test("#1664 - Changing from one value, silently to another, back to original does not trigger change.", 0, function() {
+    var model = new Backbone.Model({x:1});
+    model.on('change:x', function() { ok(false); });
+    model.set({x:2},{silent:true});
+    model.set({x:3},{silent:true});
+    model.set({x:1});
+  });
+
+  test("#1664 - multiple silent changes nested inside a change event", 2, function() {
+    var changes = [];
+    var model = new Backbone.Model();
+    model.on('change', function() {
+      model.set({a:'c'}, {silent:true});
+      model.set({b:2}, {silent:true});
+      model.unset('c', {silent:true});
+      model.set({a:'a'}, {silent:true});
+      model.set({b:1}, {silent:true});
+      model.set({c:'item'}, {silent:true});
+    });
+    model.on('change:a change:b change:c', function(model, val) { changes.push(val); });
+    model.set({a:'a', b:1, c:'item'});
+    deepEqual(changes, ['a',1,'item']);
+    model.change();
+    deepEqual(changes, ['a',1,'item']);
+  });
+
 });

vendor/backbone/test/router.js

@@ -69,6 +69,7 @@ $(document).ready(function() {
       "contacts":                   "contacts",
       "contacts/new":               "newContact",
       "contacts/:id":               "loadContact",
+      "optional(/:item)":           "optionalItem",
       "splat/*args/end":            "splat",
       "*first/complex-:part/*rest": "complex",
       ":entity?*args":              "query",
@@ -105,6 +106,10 @@ $(document).ready(function() {
       this.contact = 'load';
     },
 
+    optionalItem: function(arg){
+      this.arg = arg !== undefined ? arg : null;
+    },
+
     splat : function(args) {
       this.args = args;
     },
@@ -199,6 +204,15 @@ $(document).ready(function() {
     equal(router.args, 'long-list/of/splatted_99args');
   });
 
+  test("routes (optional)", 2, function() {
+    location.replace('http://example.com#optional');
+    Backbone.history.checkUrl();
+    equal(router.arg, null);
+    location.replace('http://example.com#optional/thing');
+    Backbone.history.checkUrl();
+    equal(router.arg, 'thing');
+  });
+
   test("routes (complex)", 3, function() {
     location.replace('http://example.com#one/two/three/complex-part/four/five/six/seven');
     Backbone.history.checkUrl();
@@ -449,4 +463,22 @@ $(document).ready(function() {
     });
   });
 
+  test("#1695 - hashChange to pushState with search.", 1, function() {
+    Backbone.history.stop();
+    location.replace('http://example.com/root?a=b#x/y');
+    Backbone.history = _.extend(new Backbone.History, {
+      location: location,
+      history: {
+        pushState: function(){},
+        replaceState: function(state, title, url){
+          strictEqual(url, '/root/x/y?a=b');
+        }
+      }
+    });
+    Backbone.history.start({
+      root: 'root',
+      pushState: true
+    });
+  });
+
 });

vendor/backbone/test/view.js

@@ -312,4 +312,15 @@ $(document).ready(function() {
     view.remove();
   });
 
+  test("Provide function for el.", 1, function() {
+    var View = Backbone.View.extend({
+      el: function() {
+        return "<p><a></a></p>";
+      }
+    });
+
+    var view = new View;
+    ok(view.$el.is('p:has(a)'));
+  });
+
 });