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<?php
use Clue\StreamFilter as Filter;
class FunTest extends PHPUnit_Framework_TestCase
{
public function testFunInRot13()
{
$rot = Filter\fun('string.rot13');
$this->assertEquals('grfg', $rot('test'));
$this->assertEquals('test', $rot($rot('test')));
$this->assertEquals(null, $rot());
}
/**
* @expectedException RuntimeException
*/
public function testFunWriteAfterCloseRot13()
{
$rot = Filter\fun('string.rot13');
$this->assertEquals(null, $rot());
$rot('test');
}
/**
* @expectedException RuntimeException
*/
public function testFunInvalid()
{
Filter\fun('unknown');
}
}
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