add test for #69587

diff --git a/ext/date/tests/bug69587.phpt b/ext/date/tests/bug69587.phpt
new file mode 100644 (file)
index 0000000..fd8b236
--- /dev/null
+++ b/ext/date/tests/bug69587.phpt
@@ -0,0 +1,15 @@
+--TEST--
+Bug #69587 (DateInterval properties and isset)
+--FILE--
+<?php
+$datetime1 = new DateTime('2009-10-11');
+$datetime2 = new DateTime('2009-10-13');
+$interval = $datetime1->diff($datetime2);
+
+var_dump(property_exists($interval, 'm'), isset($interval->m), empty($interval->m), empty($interval->d));
+?>
+--EXPECT--
+bool(true)
+bool(true)
+bool(true)
+bool(false)