add test for directive literal number arg + limitBy with v-for

test/unit/specs/directives/public/for/for_spec.js

@@ -372,7 +372,7 @@ if (_.inBrowser) {
     it('array filters', function (done) {
       var vm = new Vue({
         el: el,
-        template: '<div v-for="item in list | filterBy filterKey | orderBy sortKey -1">{{item.id}}</div>',
+        template: '<div v-for="item in list | filterBy filterKey | orderBy sortKey -1 | limitBy 2">{{item.id}}</div>',
         data: {
           filterKey: 'hi!',
           sortKey: 'id',
@@ -426,7 +426,9 @@ if (_.inBrowser) {
           })
           .map(function (item) {
             return '<div>' + item.id + '</div>'
-          }).join('')
+          })
+          .slice(0, 2)
+          .join('')
         expect(el.innerHTML).toBe(markup)
       }
     })

test/unit/specs/parsers/directive_spec.js

@@ -8,17 +8,19 @@ describe('New Directive Parser', function () {
   })
 
   it('with filters', function () {
-    var res = parse('exp | abc de \'ok\' \'\' | bcd')
+    var res = parse('exp | abc de \'ok\' \'\' 123 | bcd')
     expect(res.expression).toBe('exp')
     expect(res.filters.length).toBe(2)
     expect(res.filters[0].name).toBe('abc')
-    expect(res.filters[0].args.length).toBe(3)
+    expect(res.filters[0].args.length).toBe(4)
     expect(res.filters[0].args[0].value).toBe('de')
     expect(res.filters[0].args[0].dynamic).toBe(true)
     expect(res.filters[0].args[1].value).toBe('ok')
     expect(res.filters[0].args[1].dynamic).toBe(false)
     expect(res.filters[0].args[2].value).toBe('')
     expect(res.filters[0].args[2].dynamic).toBe(false)
+    expect(res.filters[0].args[3].value).toBe(123)
+    expect(res.filters[0].args[3].dynamic).toBe(false)
     expect(res.filters[1].name).toBe('bcd')
     expect(res.filters[1].args).toBeUndefined()
   })