1 files changed, 40 insertions, 0 deletions
diff --git a/maintenance/tests/TimeAdjustTest.php b/maintenance/tests/TimeAdjustTest.php
new file mode 100644
index 00000000..bbd697bf
--- /dev/null
+++ b/maintenance/tests/TimeAdjustTest.php
@@ -0,0 +1,40 @@
+<?php
+
+class TimeAdjustTest extends PHPUnit_Framework_TestCase {
+
+	public function setUp() {
+		$this->iniSet( 'precision', 15 );
+	}
+
+	# Test offset usage for a given language::userAdjust
+	function testUserAdjust() {
+		global $wgLocalTZoffset, $wgContLang, $wgUser;
+
+		$wgContLang = $en = Language::factory( 'en' );
+
+		# Collection of parameters for Language_t_Offset.
+		# Format: date to be formatted, localTZoffset value, expected date
+		$userAdjust_tests = array(
+			array( 20061231235959,   0, 20061231235959 ),
+			array( 20061231235959,   5, 20070101000459 ),
+			array( 20061231235959,  15, 20070101001459 ),
+			array( 20061231235959,  60, 20070101005959 ),
+			array( 20061231235959,  90, 20070101012959 ),
+			array( 20061231235959, 120, 20070101015959 ),
+			array( 20061231235959, 540, 20070101085959 ),
+			array( 20061231235959,  -5, 20061231235459 ),
+			array( 20061231235959, -30, 20061231232959 ),
+			array( 20061231235959, -60, 20061231225959 ),
+		);
+
+		foreach( $userAdjust_tests as $data ) {
+			$wgLocalTZoffset = $data[1];
+
+			$this->assertEquals(
+				strval( $data[2] ),
+				strval( $en->userAdjust( $data[0], '' ) ),
+				"User adjust {$data[0]} by {$data[1]} minutes should give {$data[2]}"
+			);
+		}
+	}
+}