public function testScopeInArithmeticExpr() { $this->assertEquals('(100 - 20) / 2', (string) $this->_expr->quot($this->_expr->diff(100, 20), 2)); $this->assertEquals('100 - (20 / 2)', (string) $this->_expr->diff(100, $this->_expr->quot(20, 2))); }