setMultiline example

public function testGetNormalizerDefault()
    {
        self::assertNull($this->question->getNormalizer());
    }

    /** * @dataProvider providerTrueFalse */
    public function testSetMultiline(bool $multiline)
    {
        self::assertSame($this->question, $this->question->setMultiline($multiline));
        self::assertSame($multiline, $this->question->isMultiline());
    }

    public function testIsMultilineDefault()
    {
        self::assertFalse($this->question->isMultiline());
    }
}

EOD;

        $response = $this->getInputStream($essay);

        $dialog = new QuestionHelper();

        $question = new Question('Write an essay');
        $question->setMultiline(true);

        $this->assertSame($essay, $dialog->ask($this->createStreamableInputInterfaceMock($response), $this->createOutputInterface(), $question));
    }

    public function testAskMultilineResponseWithSingleNewline()
    {
        $response = $this->getInputStream(\PHP_EOL);

        $dialog = new QuestionHelper();

        $question = new Question('Write an essay');
        

    public function testAskMultilineQuestionIncludesHelpText()
    {
        $expected = 'Write an essay (press Ctrl+D to continue)';

        if ('Windows' === \PHP_OS_FAMILY) {
            $expected = 'Write an essay (press Ctrl+Z then Enter to continue)';
        }

        $question = new Question('Write an essay');
        $question->setMultiline(true);

        $helper = new SymfonyQuestionHelper();
        $input = $this->createStreamableInputInterfaceMock($this->getInputStream('\\'));
        $helper->ask($input, $output = $this->createOutputInterface(), $question);

        $this->assertOutputContains($expected, $output);
    }
}