Add tests for UConverter::getStandards()

Author: villfa

ext/intl/tests/uconverter_getstandards_basic.phpt

@@ -0,0 +1,19 @@
+--TEST--
+Basic UConverter::getStandards() usage
+--SKIPIF--
+<?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
+--FILE--
+<?php
+function assertTrue($assertion, $msg) {
+    if (!$assertion) var_dump($msg);
+}
+$standards = UConverter::getStandards();
+assertTrue(is_array($standards), '$standards must be an array');
+assertTrue(count($standards) > 0, '$standards must not be empty');
+assertTrue($standards === array_values($standards), '$standards keys must be numeric');
+assertTrue($standards === array_unique($standards), '$standards values must be unique');
+assertTrue(array_reduce($standards, function($carry, $item) { return $carry && is_string($item); }, true), '$standards values must be strings');
+?>
+===DONE===
+--EXPECT--
+===DONE===