1 files changed, 43 insertions, 0 deletions
diff --git a/library/moment/src/test/moment/is_moment.js b/library/moment/src/test/moment/is_moment.js
new file mode 100644
index 000000000..9ef83548c
--- /dev/null
+++ b/library/moment/src/test/moment/is_moment.js
@@ -0,0 +1,43 @@
+import { module, test } from '../qunit';
+import moment from '../../moment';
+
+module('is moment');
+
+test('is moment object', function (assert) {
+    var MyObj = function () {},
+        extend = function (a, b) {
+            var i;
+            for (i in b) {
+                a[i] = b[i];
+            }
+            return a;
+        };
+    MyObj.prototype.toDate = function () {
+        return new Date();
+    };
+
+    assert.ok(moment.isMoment(moment()), 'simple moment object');
+    assert.ok(moment.isMoment(moment(null)), 'invalid moment object');
+    assert.ok(moment.isMoment(extend({}, moment())), 'externally cloned moments are moments');
+    assert.ok(moment.isMoment(extend({}, moment.utc())), 'externally cloned utc moments are moments');
+
+    assert.ok(!moment.isMoment(new MyObj()), 'myObj is not moment object');
+    assert.ok(!moment.isMoment(moment), 'moment function is not moment object');
+    assert.ok(!moment.isMoment(new Date()), 'date object is not moment object');
+    assert.ok(!moment.isMoment(Object), 'Object is not moment object');
+    assert.ok(!moment.isMoment('foo'), 'string is not moment object');
+    assert.ok(!moment.isMoment(1), 'number is not moment object');
+    assert.ok(!moment.isMoment(NaN), 'NaN is not moment object');
+    assert.ok(!moment.isMoment(null), 'null is not moment object');
+    assert.ok(!moment.isMoment(undefined), 'undefined is not moment object');
+});
+
+test('is moment with hacked hasOwnProperty', function (assert) {
+    var obj = {};
+    // HACK to suppress jshint warning about bad property name
+    obj['hasOwnMoney'.replace('Money', 'Property')] = function () {
+        return true;
+    };
+
+    assert.ok(!moment.isMoment(obj), 'isMoment works even if passed object has a wrong hasOwnProperty implementation (ie8)');
+});