feat(Calendar): add allow-same-day prop (#5688)

src/calendar/test/index.spec.js

@@ -82,6 +82,7 @@ test('select event when type is multiple', async () => {
   const days = wrapper.findAll('.van-calendar__day');
   days.at(15).trigger('click');
   days.at(16).trigger('click');
+  days.at(17).trigger('click');
 
   await later();
   days.at(15).trigger('click');
@@ -93,7 +94,10 @@ test('select event when type is multiple', async () => {
     '2010/1/10,2010/1/16,2010/1/17'
   );
   expect(formatMultiple(emittedSelect[2][0])).toEqual(
-    '2010/1/10,2010/1/17,2010/1/13'
+    '2010/1/10,2010/1/16,2010/1/17,2010/1/18'
+  );
+  expect(formatMultiple(emittedSelect[3][0])).toEqual(
+    '2010/1/10,2010/1/17,2010/1/18,2010/1/13'
   );
 });
 

src/calendar/test/prop.spec.js

@@ -64,3 +64,33 @@ test('hide close icon when there is no title', () => {
   });
   expect(wrapper.contains('.van-popup__close-icon')).toBeFalsy();
 });
+
+test('allow-same-day prop', async () => {
+  const select = jest.fn();
+  const wrapper = mount(Calendar, {
+    propsData: {
+      type: 'range',
+      minDate,
+      maxDate,
+      poppable: false,
+    },
+    listeners: {
+      select,
+    },
+  });
+
+  await later();
+
+  const days = wrapper.findAll('.van-calendar__day');
+  days.at(9).trigger('click');
+  days.at(9).trigger('click');
+
+  expect(select).toHaveBeenLastCalledWith([minDate, null]);
+
+  wrapper.setProps({
+    allowSameDay: true,
+  });
+
+  days.at(9).trigger('click');
+  expect(select).toHaveBeenLastCalledWith([minDate, minDate]);
+});