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--TEST--
stream_set_chunk_size basic tests
--FILE--
<?php
class test_wrapper {
function stream_open($path, $mode, $openedpath) {
return true;
}
function stream_eof() {
return false;
}
function stream_read($count) {
echo "read with size: ", $count, "\n";
return str_repeat('a', $count);
}
function stream_write($data) {
echo "write with size: ", strlen($data), "\n";
return strlen($data);
}
function stream_set_option($option, $arg1, $arg2) {
echo "option: ", $option, ", ", $arg1, ", ", $arg2, "\n";
return false;
}
}
var_dump(stream_wrapper_register('test', 'test_wrapper'));
$f = fopen("test://foo","r");
/* when the chunk size is 1, the read buffer is skipped, but the
* the writes are made in chunks of size 1 (business as usual)
* This should probably be revisited */
echo "should return previous chunk size (8192)\n";
var_dump(stream_set_chunk_size($f, 1));
echo "should be read without buffer (\$count == 10000)\n";
var_dump(strlen(fread($f, 10000)));
echo "should elicit 3 writes of size 1 and return 3\n";
var_dump(fwrite($f, str_repeat('b', 3)));
echo "should return previous chunk size (1)\n";
var_dump(stream_set_chunk_size($f, 100));
echo "should elicit one read of size 100 (chunk size)\n";
var_dump(strlen(fread($f, 250)));
echo "should elicit one read of size 100 (chunk size)\n";
var_dump(strlen(fread($f, 50)));
echo "should elicit no read because there is sufficient cached data\n";
var_dump(strlen(fread($f, 50)));
echo "should elicit 2 writes of size 100 and one of size 50\n";
var_dump(strlen(fwrite($f, str_repeat('b', 250))));
echo "\nerror conditions\n";
var_dump(stream_set_chunk_size($f, 0));
var_dump(stream_set_chunk_size($f, -1));
var_dump(stream_set_chunk_size($f, array()));
--EXPECTF--
bool(true)
should return previous chunk size (8192)
int(8192)
should be read without buffer ($count == 10000)
read with size: 10000
int(10000)
should elicit 3 writes of size 1 and return 3
write with size: 1
write with size: 1
write with size: 1
int(3)
should return previous chunk size (1)
int(1)
should elicit one read of size 100 (chunk size)
read with size: 100
int(100)
should elicit one read of size 100 (chunk size)
read with size: 100
int(50)
should elicit no read because there is sufficient cached data
int(50)
should elicit 2 writes of size 100 and one of size 50
write with size: 100
write with size: 100
write with size: 50
int(3)
error conditions
Warning: stream_set_chunk_size(): The chunk size must be a positive integer, given 0 in %s on line %d
bool(false)
Warning: stream_set_chunk_size(): The chunk size must be a positive integer, given -1 in %s on line %d
bool(false)
Warning: stream_set_chunk_size() expects parameter 2 to be long, array given in %s on line %d
bool(false)