<?php

/*
 *  $Id: FileOutputStreamTest.php 1021 2011-01-04 09:57:13Z mrook $
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * This software consists of voluntary contributions made by many individuals
 * and is licensed under the LGPL. For more information please see
 * <http://phing.info>.
 */


require_once 'PHPUnit/Framework/TestCase.php';
include_once 'phing/system/io/FileOutputStream.php';

/**
 * Unit test for FileOutputStream.
 *
 * @author Hans Lellelid <hans@xmpl.org>
 * @package phing.system
 */
class FileOutputStreamTest extends PHPUnit_Framework_TestCase {

    /**
     * @var FileOutputStream
     */
    private $outStream;
    
    public function setUp() {
        $this->tmpFile = new PhingFile(PHING_TEST_BASE .  "/tmp/" . get_class($this) . ".txt");
        $this->outStream = new FileOutputStream($this->tmpFile);
    }
    
    public function tearDown() {
        $this->outStream->close();
        FileSystem::getFileSystem()->unlink($this->tmpFile->getAbsolutePath());
    }
    
    public function assertFileContents($contents)
    {
        $actual = file_get_contents($this->tmpFile->getAbsolutePath());
        $this->assertEquals($contents, $actual, "Expected file contents to match; expected '" . $contents . "', actual '" . $actual . "'");
    }
    
    public function testWrite() {
        
        $string = "0123456789";
        $this->outStream->write($string);
        
        $this->assertFileContents($string);

        $newstring = $string;
        
        // check offset (no len)
        $this->outStream->write($string, 1);
        $this->outStream->flush();
        $newstring .= '123456789';
        $this->assertFileContents($newstring);
        
        // check len (no offset)
        $this->outStream->write($string, 0, 3);
        $this->outStream->flush();
        $newstring .= '012';
        $this->assertFileContents($newstring);

        
    }
    
    public function testFlush() {
    
        $this->outStream->write("Some data");
        $this->outStream->flush();
        $this->outStream->close();

        try {
            $this->outStream->flush();
            $this->fail("Expected IOException when attempting to flush a closed stream.");
        } catch (IOException $ioe) {
            // exception is expected
        }
    }
    
}
