public function testModes()
{
$option = new InputOption('foo', 'f');
$this->assertFalse($option->acceptValue(), '__construct() gives a "InputOption::VALUE_NONE" mode by default');
$this->assertFalse($option->isValueRequired(), '__construct() gives a "InputOption::VALUE_NONE" mode by default');
$this->assertFalse($option->isValueOptional(), '__construct() gives a "InputOption::VALUE_NONE" mode by default');
$option = new InputOption('foo', 'f', null);
$this->assertFalse($option->acceptValue(), '__construct() can take "InputOption::VALUE_NONE" as its mode');
$this->assertFalse($option->isValueRequired(), '__construct() can take "InputOption::VALUE_NONE" as its mode');
$this->assertFalse($option->isValueOptional(), '__construct() can take "InputOption::VALUE_NONE" as its mode');
$option = new InputOption('foo', 'f', InputOption::VALUE_NONE);
$this->assertFalse($option->acceptValue(), '__construct() can take "InputOption::VALUE_NONE" as its mode');
$this->assertFalse($option->isValueRequired(), '__construct() can take "InputOption::VALUE_NONE" as its mode');
$this->assertFalse($option->isValueOptional(), '__construct() can take "InputOption::VALUE_NONE" as its mode');
$option = new InputOption('foo', 'f', InputOption::VALUE_REQUIRED);
$this->assertTrue($option->acceptValue(), '__construct() can take "InputOption::VALUE_REQUIRED" as its mode');
$this->assertTrue($option->isValueRequired(), '__construct() can take "InputOption::VALUE_REQUIRED" as its mode');
$this->assertFalse($option->isValueOptional(), '__construct() can take "InputOption::VALUE_REQUIRED" as its mode');
$option = new InputOption('foo', 'f', InputOption::VALUE_OPTIONAL);
$this->assertTrue($option->acceptValue(), '__construct() can take "InputOption::VALUE_OPTIONAL" as its mode');
$this->assertFalse($option->isValueRequired(), '__construct() can take "InputOption::VALUE_OPTIONAL" as its mode');
$this->assertTrue($option->isValueOptional(), '__construct() can take "InputOption::VALUE_OPTIONAL" as its mode');
}
