public function testUpperCaseFirst()
{
$upperCase = _String::ucfirst();
$data = 'agasg4';
$this->assertInstanceOf(StringUpperCaseFirst::class, $upperCase);
$this->assertInstanceOf(AbstractStringNode::class, $upperCase);
$this->assertEquals('Agasg4', $upperCase($data));
}
public function testMapNode()
{
$before = _Array::map(_String::ucfirst());
$this->assertInstanceOf(ArrayMap::class, $before);
$this->assertInstanceOf(CollectionNodeInterface::class, $before);
$this->assertInstanceOf(AbstractArray::class, $before);
$this->assertInstanceOf(AbstractNode::class, $before);
$this->assertEquals($before(['a.b'])[0], 'A.b');
}
/**
* @return AbstractStringNode
*/
public function ucfirst()
{
return $this->then(_String::ucfirst());
}
public function testChain()
{
$data = 'abc-acdc-acab';
$chain = _Array::explode('-')->map(_String::ucfirst()->substring(0, 2))->implode('');
$this->assertEquals('AbAcAc', $chain($data));
}
