wfGetCallerTest.php

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<?php

class wfGetCaller extends MediaWikiTestCase {

        function testZero() {
                $this->assertEquals( __METHOD__, wfGetCaller( 1 ) );
        }

        function callerOne() {
                return wfGetCaller();
        }

        function testOne() {
                $this->assertEquals( "wfGetCaller::testOne", self::callerOne() );
        }

        function intermediateFunction( $level = 2, $n = 0 ) {
                if ( $n > 0 )
                        return self::intermediateFunction( $level, $n - 1 );
                return wfGetCaller( $level );
        }

        function testTwo() {
                $this->assertEquals( "wfGetCaller::testTwo", self::intermediateFunction() );
        }

        function testN() {
                $this->assertEquals( "wfGetCaller::testN", self::intermediateFunction( 2, 0 ) );
                $this->assertEquals( "wfGetCaller::intermediateFunction", self::intermediateFunction( 1, 0 ) );

                for ($i=0; $i < 10; $i++)
                        $this->assertEquals( "wfGetCaller::intermediateFunction", self::intermediateFunction( $i + 1, $i ) );
        }
}