hphp/test/zend/bad/ext-standard-file/fgets_error.php

   1 <?php
   2 /*
   3  Prototype: string fgets ( resource $handle [, int $length] );
   4  Description: Gets line from file pointer
   5 */
   6
   7 echo "*** Testing error conditions ***\n";
   8 // zero argument
   9 echo "-- Testing fgets() with zero argument --\n";
  10 var_dump( fgets() );
  11
  12 // more than expected no. of args
  13 echo "-- Testing fgets() with more than expected number of arguments --\n";
  14 $fp = fopen(__FILE__, "r");
  15 var_dump( fgets($fp, 10, $fp) );
  16
  17 // invalid length argument
  18 echo "-- Testing fgets() with invalid length arguments --\n";
  19 $len = 0;
  20 var_dump( fgets($fp, $len) );
  21 $len = -10;
  22 var_dump( fgets($fp, $len) );
  23 $len = 1;
  24 var_dump( fgets($fp, $len) ); // return length - 1 always, expect false
  25
  26
  27 // test invalid arguments : non-resources
  28 echo "-- Testing fgets() with invalid arguments --\n";
  29 $invalid_args = array (
  30   "string",
  31   10,
  32   10.5,
  33   true,
  34   array(1,2,3),
  35   new stdclass,
  36 );
  37 /* loop to test fgets() with different invalid type of args */
  38 for($loop_counter = 1; $loop_counter <= count($invalid_args); $loop_counter++) {
  39   echo "-- Iteration $loop_counter --\n";
  40   var_dump( fgets($invalid_args[$loop_counter - 1], 10) );
  41 }
  42
  43 // fgets() on a file handle which is already closed
  44 echo "-- Testing fgets() with closed/unset file handle --";
  45 fclose($fp);
  46 var_dump(fgets($fp,10));
  47
  48 // fgets() on a file handle which is unset
  49 $file_handle = fopen(__FILE__, "r");
  50 unset($file_handle); //unset file handle
  51 var_dump( fgets(@$file_handle,10));
  52
  53 echo "Done\n";
  54 ?>