1 files changed, 46 insertions, 0 deletions
diff --git a/tests/phpunit/includes/GlobalFunctions/wfGetCallerTest.php b/tests/phpunit/includes/GlobalFunctions/wfGetCallerTest.php
new file mode 100644
index 00000000..bb2b33fe
--- /dev/null
+++ b/tests/phpunit/includes/GlobalFunctions/wfGetCallerTest.php
@@ -0,0 +1,46 @@
+<?php
+
+/**
+ * @group GlobalFunctions
+ * @covers ::wfGetCaller
+ */
+class WfGetCallerTest extends MediaWikiTestCase {
+	public function testZero() {
+		$this->assertEquals( __METHOD__, wfGetCaller( 1 ) );
+	}
+
+	function callerOne() {
+		return wfGetCaller();
+	}
+
+	public function testOne() {
+		$this->assertEquals( 'WfGetCallerTest::testOne', self::callerOne() );
+	}
+
+	function intermediateFunction( $level = 2, $n = 0 ) {
+		if ( $n > 0 ) {
+			return self::intermediateFunction( $level, $n - 1 );
+		}
+
+		return wfGetCaller( $level );
+	}
+
+	public function testTwo() {
+		$this->assertEquals( 'WfGetCallerTest::testTwo', self::intermediateFunction() );
+	}
+
+	public function testN() {
+		$this->assertEquals( 'WfGetCallerTest::testN', self::intermediateFunction( 2, 0 ) );
+		$this->assertEquals(
+			'WfGetCallerTest::intermediateFunction',
+			self::intermediateFunction( 1, 0 )
+		);
+
+		for ( $i = 0; $i < 10; $i++ ) {
+			$this->assertEquals(
+				'WfGetCallerTest::intermediateFunction',
+				self::intermediateFunction( $i + 1, $i )
+			);
+		}
+	}
+}