Expected behaviour for splat routes

gistfile1.php

<?
    /**
     * My_Router: Routing splats, more edge cases
     */
    public function testRoutingMoreSplats() {
        $router = new My_Router();
        $router->on('route',array($this, 'onRoute'));
        $router->route('foo/*bar', 'foo');
        
        $this->assertTrue( $router('foo/bar/baz') );
        $this->assertEquals(array('bar/baz'), $this->lastArgs, 'Doesn\'t pick up an extra / from somewhere');
        $this->assertTrue( $router('foo/bar/baz/') );
        $this->assertEquals(array('bar/baz'), $this->lastArgs, 'Loses the trailing slash if present');
        
        $this->assertTrue( $router('foo/') );
        $this->assertEquals(array(''), $this->lastArgs, 'Matches empty url');
        $this->assertTrue( $router('foo') );
        $this->assertEquals(array(''), $this->lastArgs, 'Matches empty even without /');
        
        $this->assertFalse( $router('food'), 'Won\'t match if the preceding component is extended' );
        $this->assertFalse( $router('fo'), 'Won\'t match if the preceding component is shortened' );
        
        $router = new My_Router();
        $router->on('route',array($this, 'onRoute'));
        $router->route('foo*bar', 'foo');
        $this->assertTrue( $router('foo/bar/baz') );
        $this->assertEquals(array('/bar/baz'), $this->lastArgs, 'Picks up slash if starting rest');
        $this->assertTrue( $router('foo/') );
        $this->assertEquals(array(''), $this->lastArgs, 'Won\'t pick up trailing slash at end (will be trimmed)');
        $this->assertTrue( $router('food') );
        $this->assertEquals(array('d'), $this->lastArgs, 'Will match if the preceding component is extended');
        $this->assertFalse( $router('fo'), 'Won\'t match if the preceding component is shortened' );
    }