function StreamWrapperTest::testFileFunctions in Zircon Profile 8
Same name and namespace in other branches
- 8.0 core/modules/system/src/Tests/File/StreamWrapperTest.php \Drupal\system\Tests\File\StreamWrapperTest::testFileFunctions()
Test some file handle functions.
File
- core/
modules/ system/ src/ Tests/ File/ StreamWrapperTest.php, line 115 - Contains \Drupal\system\Tests\File\StreamWrapperTest.
Class
- StreamWrapperTest
- Tests stream wrapper functions.
Namespace
Drupal\system\Tests\FileCode
function testFileFunctions() {
$filename = 'public://' . $this
->randomMachineName();
file_put_contents($filename, str_repeat('d', 1000));
// Open for rw and place pointer at beginning of file so select will return.
$handle = fopen($filename, 'c+');
$this
->assertTrue($handle, 'Able to open a file for appending, reading and writing.');
// Attempt to change options on the file stream: should all fail.
$this
->assertFalse(@stream_set_blocking($handle, 0), 'Unable to set to non blocking using a local stream wrapper.');
$this
->assertFalse(@stream_set_blocking($handle, 1), 'Unable to set to blocking using a local stream wrapper.');
$this
->assertFalse(@stream_set_timeout($handle, 1), 'Unable to set read time out using a local stream wrapper.');
$this
->assertEqual(-1, @stream_set_write_buffer($handle, 512), 'Unable to set write buffer using a local stream wrapper.');
// This will test stream_cast().
$read = array(
$handle,
);
$write = NULL;
$except = NULL;
$this
->assertEqual(1, stream_select($read, $write, $except, 0), 'Able to cast a stream via stream_select.');
// This will test stream_truncate().
$this
->assertEqual(1, ftruncate($handle, 0), 'Able to truncate a stream via ftruncate().');
fclose($handle);
$this
->assertEqual(0, filesize($filename), 'Able to truncate a stream.');
// Cleanup.
unlink($filename);
}