PHPOffice / PhpSpreadsheet

     * @param string $expectMessage

     * @dataProvider setTitleInvalidProvider

     */

    public function testSetTitleInvalid($title, $expectMessage)

    {

        // First, test setting title with validation disabled -- should be successful

        $worksheet = new Worksheet();

        $worksheet->setTitle($title, true, false);

        // Next, test again with validation enabled -- this time we should fail

        $worksheet = new Worksheet();

        $this->expectException(\Exception::class);

        $this->expectExceptionMessage($expectMessage);

        $worksheet->setTitle($title);

    }

    public function testSetTitleDuplicate()

    {

     * @param string $expectMessage

     * @dataProvider setCodeNameInvalidProvider

     */

    public function testSetCodeNameInvalid($codeName, $expectMessage)

    {

        // First, test setting code name with validation disabled -- should be successful

        $worksheet = new Worksheet();

        $worksheet->setCodeName($codeName, false);

        // Next, test again with validation enabled -- this time we should fail

        $worksheet = new Worksheet();

        $this->expectException(\Exception::class);

        $this->expectExceptionMessage($expectMessage);

        $worksheet->setCodeName($codeName);

    }

    public function testSetCodeNameDuplicate()

    {