From ab623befc5ee0d9b0cf98ad99771f18e3a875834 Mon Sep 17 00:00:00 2001
From: Kunal Mehta <legoktm@member.fsf.org>
Date: Wed, 11 May 2016 14:01:48 -0700
Subject: [PATCH] Add LinkTarget::inNamespace() helper function

And implementation for TitleValue, plus tests

Change-Id: I42c301e28938dcd55580e20b7c1ddefcbf5a2bef
---
 includes/linker/LinkTarget.php                  | 8 ++++++++
 includes/title/TitleValue.php                   | 9 +++++++++
 tests/phpunit/includes/title/TitleValueTest.php | 1 +
 3 files changed, 18 insertions(+)

diff --git a/includes/linker/LinkTarget.php b/includes/linker/LinkTarget.php
index 7b59751de6..da48e00a99 100644
--- a/includes/linker/LinkTarget.php
+++ b/includes/linker/LinkTarget.php
@@ -33,6 +33,14 @@ interface LinkTarget {
 	 */
 	public function getNamespace();
 
+	/**
+	 * Convenience function to test if it is in the namespace
+	 *
+	 * @param int $ns
+	 * @return bool
+	 */
+	public function inNamespace( $ns );
+
 	/**
 	 * Get the link fragment (i.e. the bit after the #) in text form.
 	 *
diff --git a/includes/title/TitleValue.php b/includes/title/TitleValue.php
index 63c075f1c5..597bf2f4ee 100644
--- a/includes/title/TitleValue.php
+++ b/includes/title/TitleValue.php
@@ -94,6 +94,15 @@ class TitleValue implements LinkTarget {
 		return $this->namespace;
 	}
 
+	/**
+	 * @since 1.27
+	 * @param int $ns
+	 * @return bool
+	 */
+	public function inNamespace( $ns ) {
+		return $this->namespace == $ns;
+	}
+
 	/**
 	 * @return string
 	 */
diff --git a/tests/phpunit/includes/title/TitleValueTest.php b/tests/phpunit/includes/title/TitleValueTest.php
index 792255339f..4dbda74ae0 100644
--- a/tests/phpunit/includes/title/TitleValueTest.php
+++ b/tests/phpunit/includes/title/TitleValueTest.php
@@ -42,6 +42,7 @@ class TitleValueTest extends MediaWikiTestCase {
 		$title = new TitleValue( $ns, $text, $fragment, $interwiki );
 
 		$this->assertEquals( $ns, $title->getNamespace() );
+		$this->assertTrue( $title->inNamespace( $ns ) );
 		$this->assertEquals( $text, $title->getText() );
 		$this->assertEquals( $fragment, $title->getFragment() );
 		$this->assertEquals( $hasFragment, $title->hasFragment() );
-- 
2.20.1