1 files changed, 12 insertions, 0 deletions

diff --git a/tests/units/DatetimeHelperTest.php b/tests/units/DatetimeHelperTest.php
index 2746beed..216cf34c 100644
--- a/tests/units/DatetimeHelperTest.php
+++ b/tests/units/DatetimeHelperTest.php
@@ -6,6 +6,18 @@ use Helper\Datetime;
 
 class DatetimeHelperTest extends Base
 {
+    public function testAge()
+    {
+        $h = new Datetime($this->container);
+
+        $this->assertEquals('<15m', $h->age(0, 30));
+        $this->assertEquals('<30m', $h->age(0, 1000));
+        $this->assertEquals('<1h', $h->age(0, 3000));
+        $this->assertEquals('~2h', $h->age(0, 2*3600));
+        $this->assertEquals('1d', $h->age(0, 30*3600));
+        $this->assertEquals('2d', $h->age(0, 65*3600));
+    }
+
     public function testGetDayHours()
     {
         $h = new Datetime($this->container);