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use a string based buffer for Read/Write streams

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Robin Appelman 2021-03-05 15:35:10 +01:00
commit 0d9341c527
6 changed files with 184 additions and 38 deletions
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tests/StringBufferTest.php Normal file
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<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2021 Robin Appelman <robin@icewind.nl>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace Icewind\SMB\Test;
use Icewind\SMB\StringBuffer;
class StringBufferTest extends TestCase {
public function testPushRead() {
$buffer = new StringBuffer();
$this->assertEquals(0, $buffer->remaining());
$buffer->push("foobar");
$this->assertEquals(6, $buffer->remaining());
$this->assertEquals("foo", $buffer->read(3));
$this->assertEquals(3, $buffer->remaining());
$this->assertEquals("bar", $buffer->read(10));
$this->assertEquals(0, $buffer->remaining());
}
public function testReadEmpty() {
$buffer = new StringBuffer();
$this->assertEquals("", $buffer->read(10));
}
public function testAppend() {
$buffer = new StringBuffer();
$this->assertEquals(0, $buffer->remaining());
$buffer->push("foo");
$this->assertEquals(3, $buffer->remaining());
$this->assertEquals("f", $buffer->read(1));
$this->assertEquals(2, $buffer->remaining());
$buffer->push("bar");
$this->assertEquals(5, $buffer->remaining());
$this->assertEquals("oobar", $buffer->read(10));
}
public function testFlush() {
$buffer = new StringBuffer();
$this->assertEquals(0, $buffer->remaining());
$buffer->push("foobar");
$this->assertEquals("f", $buffer->read(1));
$this->assertEquals(5, $buffer->remaining());
$this->assertEquals("oobar", $buffer->flush());
$buffer->push("foobar");
$this->assertEquals("foobar", $buffer->flush());
}
}