FunZlibTest.php

<?php
 
use Clue\StreamFilter;
 
class BuiltInZlibTest extends PHPUnit_Framework_TestCase
{
    public function testFunZlibDeflateHelloWorld()
    {
        $deflate = StreamFilter\fun('zlib.deflate');
 
        $data = $deflate('hello') . $deflate(' ') . $deflate('world') . $deflate();
 
        $this->assertEquals(gzdeflate('hello world'), $data);
    }
 
    public function testFunZlibDeflateEmpty()
    {
        if (PHP_VERSION >= 7) $this->markTestSkipped('Not supported on PHP7 (empty string does not invoke filter)');
 
        $deflate = StreamFilter\fun('zlib.deflate');
 
        //$data = gzdeflate('');
        $data = $deflate();
 
        $this->assertEquals("\x03\x00", $data);
    }
 
    public function testFunZlibDeflateBig()
    {
        $deflate = StreamFilter\fun('zlib.deflate');
 
        $n = 1000;
        $expected = str_repeat('hello', $n);
 
        $bytes = '';
        for ($i = 0; $i < $n; ++$i) {
            $bytes .= $deflate('hello');
        }
        $bytes .= $deflate();
 
        $this->assertEquals($expected, gzinflate($bytes));
    }
 
    public function testFunZlibInflateHelloWorld()
    {
        $inflate = StreamFilter\fun('zlib.inflate');
 
        $data = $inflate(gzdeflate('hello world')) . $inflate();
 
        $this->assertEquals('hello world', $data);
    }
 
    public function testFunZlibInflateEmpty()
    {
        $inflate = StreamFilter\fun('zlib.inflate');
 
        $data = $inflate("\x03\x00") . $inflate();
 
        $this->assertEquals('', $data);
    }
 
    public function testFunZlibInflateBig()
    {
        if (defined('HHVM_VERSION')) $this->markTestSkipped('Not supported on HHVM (final chunk will not be emitted)');
 
        $inflate = StreamFilter\fun('zlib.inflate');
 
        $expected = str_repeat('hello', 10);
        $bytes = gzdeflate($expected);
 
        $ret = '';
        foreach (str_split($bytes, 2) as $chunk) {
            $ret .= $inflate($chunk);
        }
        $ret .= $inflate();
 
        $this->assertEquals($expected, $ret);
    }
}