update date_range test

Author: steveoni

danfojs-node/tests/core/date_range.js

@@ -3,20 +3,18 @@ import { date_range } from '../../src/core/date_range';
 
 describe("date_range", function(){
 
-  // it("Obtain date between start and end specified", function(){
+  it("Obtain date between start and end specified", function(){
 
-  //     let d = new date_range({"start":'2018-04-24',"end":'2018-04-27'})
-  //     let rslt = [
-  //         '4/24/2018, 12:00:00 AM',
-  //         '4/25/2018, 12:00:00 AM',
-  //         '4/26/2018, 12:00:00 AM',
-  //         '4/27/2018, 12:00:00 AM'
-  //       ]
+      let d = new date_range({"start":'2018-04-24',"end":'2018-04-27'})
+      let rslt = [
+        '4/24/2018, 1:00:00 AM',
+        '4/25/2018, 1:00:00 AM',
+        '4/26/2018, 1:00:00 AM',
+        '4/27/2018, 1:00:00 AM'
+      ]  
+      assert.deepEqual(d,rslt)
 
-  //     assert.deepEqual(d,rslt)
-
-
-  // });
+  });
   it("Obtain date between start with end not specified, but period and freq specified", function(){
 
 
@@ -90,4 +88,22 @@ describe("date_range", function(){
   it("inputing wrong freq offset", function(){
     assert.throws(function () { new date_range({ end:'1/1/2018', period:8, freq:"abcm" }); }, Error, 'invalid freq offset abc');
   });
+  it("Obtain date between start and end specified with different month", function(){
+
+    let d = new date_range({"start":'2018-04-24',"end":'2018-05-27'})
+    let rslt = [
+      '4/24/2018, 1:00:00 AM',
+      '4/25/2018, 1:00:00 AM',
+      '4/26/2018, 1:00:00 AM',
+      '4/27/2018, 1:00:00 AM',
+      '4/28/2018, 1:00:00 AM',
+      '4/29/2018, 1:00:00 AM',
+      '4/30/2018, 1:00:00 AM',
+      '5/1/2018, 1:00:00 AM',
+      '5/2/2018, 1:00:00 AM',
+      '5/3/2018, 1:00:00 AM',
+      '5/27/2018, 1:00:00 AM'
+    ]
+    assert.deepEqual(d,rslt)
+  });
 });