'M', 'args' => array(10, 20)), array('id' => 'm', 'args' => array(10, 20)), array('id' => 'l', 'args' => array(40, 20)), array('id' => 'Z', 'args' => array()), ); $result = $approx->approximate($cmds); $this->assertSame(10, $result[0][0][0]); $this->assertSame(20, $result[0][0][1]); $this->assertSame(20, $result[1][0][0]); $this->assertSame(40, $result[1][0][1]); $this->assertSame(60, $result[1][1][0]); $this->assertSame(60, $result[1][1][1]); $this->assertSame(20, $result[1][2][0]); $this->assertSame(40, $result[1][2][1]); } }