diff --git a/ext/reflection/tests/gh15902/ReflectionClass-dots.phpt b/ext/reflection/tests/gh15902/ReflectionClass-dots.phpt
new file mode 100644
index 0000000000000..1c4a2346a1b1c
--- /dev/null
+++ b/ext/reflection/tests/gh15902/ReflectionClass-dots.phpt
@@ -0,0 +1,39 @@
+--TEST--
+ReflectionClass object default property - used to say "..."
+--FILE--
+<?php
+
+class C {
+	public stdClass $a = FOO;
+}
+$reflector = new ReflectionClass(C::class);
+$c = $reflector->newLazyGhost(function () {});
+
+define('FOO', new stdClass);
+
+$c->a;
+
+var_dump( (string)$reflector );
+
+?>
+--EXPECTF--
+string(%d) "Class [ <user> class C ] {
+  @@ %sReflectionClass-dots.php %d-%d
+
+  - Constants [0] {
+  }
+
+  - Static properties [0] {
+  }
+
+  - Static methods [0] {
+  }
+
+  - Properties [1] {
+    Property [ public stdClass $a = object(stdClass) ]
+  }
+
+  - Methods [0] {
+  }
+}
+"
diff --git a/ext/reflection/tests/gh15902/ReflectionProperty-dots.phpt b/ext/reflection/tests/gh15902/ReflectionProperty-dots.phpt
new file mode 100644
index 0000000000000..a0997d07d33db
--- /dev/null
+++ b/ext/reflection/tests/gh15902/ReflectionProperty-dots.phpt
@@ -0,0 +1,22 @@
+--TEST--
+ReflectionProperty object default - used to say "..."
+--FILE--
+<?php
+
+class C {
+	public stdClass $a = FOO;
+}
+$reflector = new ReflectionProperty(C::class, 'a');
+$lazyFactory = new ReflectionClass(C::class);
+$c = $lazyFactory->newLazyGhost(function () {});
+
+define('FOO', new stdClass);
+
+$c->a;
+
+var_dump( (string)$reflector );
+
+?>
+--EXPECTF--
+string(%d) "Property [ public stdClass $a = object(stdClass) ]
+"