Ticket #41551: 41551.diff

new file tests/phpunit/tests/l10n/loadTextdomainNull.php

@@ +1 @@
+<?php
+
+/**
+ * @group l10n
+ * @group i18n
+ */
+class Tests_L10n_loadTextdomainNull extends WP_UnitTestCase {
+
+        public function filter_set_locale_to_german() {
+                return 'de_DE';
+        }
+
+        /**
+         * @ticket xxxxx
+         * 
+         * Demonstrates that we can pass a null for the text domain parameter.
+         */
+        public function test_translate_null_domain() {
+                $translated = __( "None", null );
+                $this->assertEquals( "None", $translated );
+        }
+        
+        /**
+         * Demonstrates that we can load, translate and unload using the null text domain
+         *  
+         * @ticket xxxxx
+         */
+        public function test_translate_null_domain_loaded() {
+                add_filter( 'locale', array( $this, 'filter_set_locale_to_german' ) );
+                $loaded = load_textdomain( null, DIR_TESTDATA . "/languages/plugins/internationalized-plugin-de_DE.mo" );
+                $is_textdomain_loaded = is_textdomain_loaded( null );
+                $this->assertTrue( $is_textdomain_loaded );
+                $actual_output = __( 'This is a dummy plugin', null );
+                $this->assertEquals( $actual_output, 'Das ist ein Dummy Plugin');
+                unload_textdomain( null );
+                $is_textdomain_loaded = is_textdomain_loaded( null );
+                $this->assertFalse( $is_textdomain_loaded );
+                $actual_output = __( 'This is a dummy plugin', null );
+                $this->assertEquals( $actual_output, 'This is a dummy plugin');
+                remove_filter( 'locale', array( $this, 'filter_set_locale_to_german' ) );
+
+        }
+
+}