getSuppressFormulaErrors()); $calculation->setSuppressFormulaErrors(true); $result = $calculation->_calculateFormulaValue('=SUM('); $calculation->setSuppressFormulaErrors(false); self::assertFalse($result); } public function testCalculationException(): void { $calculation = Calculation::getInstance(); self::assertFalse($calculation->getSuppressFormulaErrors()); $this->expectException(CalcException::class); $this->expectExceptionMessage("Formula Error: Expecting ')'"); $result = $calculation->_calculateFormulaValue('=SUM('); self::assertFalse($result); } }