laipower/wp-content/plugins/w3-total-cache/vendor/guzzlehttp/psr7/tests/BufferStreamTest.php

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<?php
namespace GuzzleHttp\Tests\Psr7;
use GuzzleHttp\Psr7\BufferStream;
class BufferStreamTest extends BaseTest
{
public function testHasMetadata()
{
$b = new BufferStream(10);
self::assertTrue($b->isReadable());
self::assertTrue($b->isWritable());
self::assertFalse($b->isSeekable());
self::assertSame(null, $b->getMetadata('foo'));
self::assertSame(10, $b->getMetadata('hwm'));
self::assertSame([], $b->getMetadata());
}
public function testRemovesReadDataFromBuffer()
{
$b = new BufferStream();
self::assertSame(3, $b->write('foo'));
self::assertSame(3, $b->getSize());
self::assertFalse($b->eof());
self::assertSame('foo', $b->read(10));
self::assertTrue($b->eof());
self::assertSame('', $b->read(10));
}
public function testCanCastToStringOrGetContents()
{
$b = new BufferStream();
$b->write('foo');
$b->write('baz');
self::assertSame('foo', $b->read(3));
$b->write('bar');
self::assertSame('bazbar', (string) $b);
$this->expectExceptionGuzzle('RuntimeException', 'Cannot determine the position of a BufferStream');
$b->tell();
}
public function testDetachClearsBuffer()
{
$b = new BufferStream();
$b->write('foo');
$b->detach();
self::assertTrue($b->eof());
self::assertSame(3, $b->write('abc'));
self::assertSame('abc', $b->read(10));
}
public function testExceedingHighwaterMarkReturnsFalseButStillBuffers()
{
$b = new BufferStream(5);
self::assertSame(3, $b->write('hi '));
self::assertFalse($b->write('hello'));
self::assertSame('hi hello', (string) $b);
self::assertSame(4, $b->write('test'));
}
}