1 files changed, 21 insertions, 0 deletions
diff --git a/library/moment/src/test/moment/days_in_month.js b/library/moment/src/test/moment/days_in_month.js
new file mode 100644
index 000000000..6108155a7
--- /dev/null
+++ b/library/moment/src/test/moment/days_in_month.js
@@ -0,0 +1,21 @@
+import { module, test } from '../qunit';
+import moment from '../../moment';
+import each from '../helpers/each';
+
+module('days in month');
+
+test('days in month', function (assert) {
+    each([31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31], function (days, i) {
+        var firstDay = moment([2012, i]),
+            lastDay  = moment([2012, i, days]);
+        assert.equal(firstDay.daysInMonth(), days, firstDay.format('L') + ' should have ' + days + ' days.');
+        assert.equal(lastDay.daysInMonth(), days, lastDay.format('L') + ' should have ' + days + ' days.');
+    });
+});
+
+test('days in month leap years', function (assert) {
+    assert.equal(moment([2010, 1]).daysInMonth(), 28, 'Feb 2010 should have 28 days');
+    assert.equal(moment([2100, 1]).daysInMonth(), 28, 'Feb 2100 should have 28 days');
+    assert.equal(moment([2008, 1]).daysInMonth(), 29, 'Feb 2008 should have 29 days');
+    assert.equal(moment([2000, 1]).daysInMonth(), 29, 'Feb 2000 should have 29 days');
+});