Add a missing test case for the subtract method (fixes #86)

rotaready · Jul 17, 2015 · c415d45 · c415d45
1 parent 805e767
commit c415d45
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diff --git a/lib/moment-range.js b/lib/moment-range.js
@@ -174,6 +174,9 @@ DateRange.prototype.subtract = function(other) {
   else if ((start < other.start) && (other.start < other.end) && (other.end < end)) {
     return [new DateRange(start, other.start), new DateRange(other.end, end)];
   }
+  else if ((start < other.start) && (other.start < end) && (other.end < end)) {
+    return [new DateRange(start, other.start), new DateRange(other.start, end)];
+  }
 };
 
 /**

diff --git a/test/moment-range.js b/test/moment-range.js
@@ -566,7 +566,7 @@ describe('DateRange', function() {
     var d7 = new Date(Date.UTC(2011, 6, 6));
     var d8 = new Date(Date.UTC(2011, 8, 8));
 
-    it('should turn [--{==}--] into (--)  (--) where (a=[], b={})', function() {
+    it('should turn [--{==}--] into (--) (--) where (a=[], b={})', function() {
       var dr1 = moment.range(d5, d8);
       var dr2 = moment.range(d6, d7);
 
@@ -628,6 +628,12 @@ describe('DateRange', function() {
 
       dr1.subtract(dr2).should.eql([dr1]);
     });
+
+    it('should turn [--{==}--] into (--) where (a=[], b={})', function() {
+      var o = moment.range('2015-04-07T00:00:00+00:00/2015-04-08T00:00:00+00:00');
+      var s = moment.range('2015-04-07T17:12:18+00:00/2015-04-07T17:12:18+00:00');
+      o.subtract(s).should.eql([moment.range('2015-04-07T00:00:00+00:00/2015-04-07T17:12:18+00:00'), moment.range('2015-04-07T17:12:18+00:00/2015-04-08T00:00:00+00:00')]);
+    });
   });
 
   describe('#isSame()', function() {