add tests

Author: devnexen

ext/intl/tests/locale_compose_references.phpt

@@ -0,0 +1,26 @@
+--TEST--
+locale_compose() with values as references.
+--EXTENSIONS--
+intl
+--FILE--
+<?php
+
+$en = 'en';
+$data = [Locale::LANG_TAG => 'en', Locale::REGION_TAG => &$en];
+
+var_dump(locale_compose($data));
+
+$data = [
+	'language' => 'de', 
+	'script' => 'Hans',
+	'region' => 'DE',
+	'variant2' => 'fr',
+	'variant1' => &$en,
+	'private1' => 'private1',
+	'private2' => 'private2',
+	];
+var_dump(locale_compose($data));
+?>
+--EXPECT--
+string(5) "en_en"
+string(36) "de_Hans_DE_en_fr_x_private1_private2"