test(Calendar): add max-range test case

src/calendar/index.js

@@ -385,3 +385,5 @@ export default createComponent({
     return this.genCalendar();
   }
 });
+
+// todo

src/calendar/test/__snapshots__/demo.spec.js.snap

@@ -43,6 +43,10 @@ exports[`renders demo correctly 1`] = `
       <div class="van-cell__title"><span>自定义弹出位置</span></div><i class="van-icon van-icon-arrow van-cell__right-icon">
         <!----></i>
     </div>
+    <div role="button" tabindex="0" class="van-cell van-cell--clickable">
+      <div class="van-cell__title"><span>日期区间最大范围</span></div><i class="van-icon van-icon-arrow van-cell__right-icon">
+        <!----></i>
+    </div>
   </div>
   <div>
     <div class="van-calendar" style="height: 500px;">

src/calendar/test/index.spec.js

@@ -427,3 +427,24 @@ test('should scroll to current month when show', async done => {
 
   await later();
 });
+
+test('max-range prop', async () => {
+  const wrapper = mount(Calendar, {
+    propsData: {
+      type: 'range',
+      minDate,
+      maxDate,
+      maxRange: 1,
+      poppable: false
+    }
+  });
+
+  await later();
+
+  const days = wrapper.findAll('.van-calendar__day');
+  days.at(15).trigger('click');
+  days.at(18).trigger('click');
+  wrapper.find('.van-calendar__confirm').trigger('click');
+
+  expect(wrapper.emitted('confirm')).toBeFalsy();
+});