--TEST--
Test fgets() function : usage variations - read when file pointer at EOF
--SKIPIF--
<?php
if (substr(PHP_OS, 0, 3) != 'WIN') {
    die('skip only valid for Windows');
}
?>
--FILE--
<?php
// include the file.inc for common test functions
include ("file.inc");

$file_modes = array("w+", "w+b", "w+t",
                    "a+", "a+b", "a+t",
                    "x+", "x+b", "x+t");

$file_content_types = array("numeric", "text", "text_with_new_line", "alphanumeric");

echo "*** Testing fgets() : usage variations ***\n";

$filename = __DIR__."/fgets_variation6.tmp";

foreach($file_modes as $file_mode) {
  echo "\n-- Testing fgets() with file opened using mode $file_mode --\n";

  foreach($file_content_types as $file_content_type) {
    echo "-- File content type : $file_content_type --\n";

    /* create files with $file_content_type */
    $file_handle = fopen($filename, $file_mode);
    $data = fill_file($file_handle, $file_content_type, 50);

    if ( !$file_handle ) {
      echo "Error: failed to open file $filename!";
      exit();
    }

    echo "-- fgets() with file pointer pointing at EOF --\n";
    // seek to end of the file and try fgets()
    var_dump( fseek($file_handle, 0, SEEK_END) ); // set file pointer to eof
    var_dump( ftell($file_handle) );  // ensure that file pointer is at eof
    var_dump( feof($file_handle) );  // expected false

    var_dump( fgets($file_handle) ); // try n read a line, none expected
    var_dump( ftell($file_handle) ); // file pointer position
    var_dump( feof($file_handle) ); // ensure that file pointer is at eof

    //close file
    fclose($file_handle);

    // delete file
    delete_file($filename);
  } // file_content_type loop
} // file_mode loop

echo "Done\n";
?>
--EXPECT--
*** Testing fgets() : usage variations ***

-- Testing fgets() with file opened using mode w+ --
-- File content type : numeric --
-- fgets() with file pointer pointing at EOF --
int(0)
int(50)
bool(false)
bool(false)
int(50)
bool(true)
-- File content type : text --
-- fgets() with file pointer pointing at EOF --
int(0)
int(50)
bool(false)
bool(false)
int(50)
bool(true)
-- File content type : text_with_new_line --
-- fgets() with file pointer pointing at EOF --
int(0)
int(50)
bool(false)
bool(false)
int(50)
bool(true)
-- File content type : alphanumeric --
-- fgets() with file pointer pointing at EOF --
int(0)
int(50)
bool(false)
bool(false)
int(50)
bool(true)

-- Testing fgets() with file opened using mode w+b --
-- File content type : numeric --
-- fgets() with file pointer pointing at EOF --
int(0)
int(50)
bool(false)
bool(false)
int(50)
bool(true)
-- File content type : text --
-- fgets() with file pointer pointing at EOF --
int(0)
int(50)
bool(false)
bool(false)
int(50)
bool(true)
-- File content type : text_with_new_line --
-- fgets() with file pointer pointing at EOF --
int(0)
int(50)
bool(false)
bool(false)
int(50)
bool(true)
-- File content type : alphanumeric --
-- fgets() with file pointer pointing at EOF --
int(0)
int(50)
bool(false)
bool(false)
int(50)
bool(true)

-- Testing fgets() with file opened using mode w+t --
-- File content type : numeric --
-- fgets() with file pointer pointing at EOF --
int(0)
int(50)
bool(false)
bool(false)
int(50)
bool(true)
-- File content type : text --
-- fgets() with file pointer pointing at EOF --
int(0)
int(50)
bool(false)
bool(false)
int(50)
bool(true)
-- File content type : text_with_new_line --
-- fgets() with file pointer pointing at EOF --
int(0)
int(55)
bool(false)
bool(false)
int(55)
bool(true)
-- File content type : alphanumeric --
-- fgets() with file pointer pointing at EOF --
int(0)
int(50)
bool(false)
bool(false)
int(50)
bool(true)

-- Testing fgets() with file opened using mode a+ --
-- File content type : numeric --
-- fgets() with file pointer pointing at EOF --
int(0)
int(50)
bool(false)
bool(false)
int(50)
bool(true)
-- File content type : text --
-- fgets() with file pointer pointing at EOF --
int(0)
int(50)
bool(false)
bool(false)
int(50)
bool(true)
-- File content type : text_with_new_line --
-- fgets() with file pointer pointing at EOF --
int(0)
int(50)
bool(false)
bool(false)
int(50)
bool(true)
-- File content type : alphanumeric --
-- fgets() with file pointer pointing at EOF --
int(0)
int(50)
bool(false)
bool(false)
int(50)
bool(true)

-- Testing fgets() with file opened using mode a+b --
-- File content type : numeric --
-- fgets() with file pointer pointing at EOF --
int(0)
int(50)
bool(false)
bool(false)
int(50)
bool(true)
-- File content type : text --
-- fgets() with file pointer pointing at EOF --
int(0)
int(50)
bool(false)
bool(false)
int(50)
bool(true)
-- File content type : text_with_new_line --
-- fgets() with file pointer pointing at EOF --
int(0)
int(50)
bool(false)
bool(false)
int(50)
bool(true)
-- File content type : alphanumeric --
-- fgets() with file pointer pointing at EOF --
int(0)
int(50)
bool(false)
bool(false)
int(50)
bool(true)

-- Testing fgets() with file opened using mode a+t --
-- File content type : numeric --
-- fgets() with file pointer pointing at EOF --
int(0)
int(50)
bool(false)
bool(false)
int(50)
bool(true)
-- File content type : text --
-- fgets() with file pointer pointing at EOF --
int(0)
int(50)
bool(false)
bool(false)
int(50)
bool(true)
-- File content type : text_with_new_line --
-- fgets() with file pointer pointing at EOF --
int(0)
int(55)
bool(false)
bool(false)
int(55)
bool(true)
-- File content type : alphanumeric --
-- fgets() with file pointer pointing at EOF --
int(0)
int(50)
bool(false)
bool(false)
int(50)
bool(true)

-- Testing fgets() with file opened using mode x+ --
-- File content type : numeric --
-- fgets() with file pointer pointing at EOF --
int(0)
int(50)
bool(false)
bool(false)
int(50)
bool(true)
-- File content type : text --
-- fgets() with file pointer pointing at EOF --
int(0)
int(50)
bool(false)
bool(false)
int(50)
bool(true)
-- File content type : text_with_new_line --
-- fgets() with file pointer pointing at EOF --
int(0)
int(50)
bool(false)
bool(false)
int(50)
bool(true)
-- File content type : alphanumeric --
-- fgets() with file pointer pointing at EOF --
int(0)
int(50)
bool(false)
bool(false)
int(50)
bool(true)

-- Testing fgets() with file opened using mode x+b --
-- File content type : numeric --
-- fgets() with file pointer pointing at EOF --
int(0)
int(50)
bool(false)
bool(false)
int(50)
bool(true)
-- File content type : text --
-- fgets() with file pointer pointing at EOF --
int(0)
int(50)
bool(false)
bool(false)
int(50)
bool(true)
-- File content type : text_with_new_line --
-- fgets() with file pointer pointing at EOF --
int(0)
int(50)
bool(false)
bool(false)
int(50)
bool(true)
-- File content type : alphanumeric --
-- fgets() with file pointer pointing at EOF --
int(0)
int(50)
bool(false)
bool(false)
int(50)
bool(true)

-- Testing fgets() with file opened using mode x+t --
-- File content type : numeric --
-- fgets() with file pointer pointing at EOF --
int(0)
int(50)
bool(false)
bool(false)
int(50)
bool(true)
-- File content type : text --
-- fgets() with file pointer pointing at EOF --
int(0)
int(50)
bool(false)
bool(false)
int(50)
bool(true)
-- File content type : text_with_new_line --
-- fgets() with file pointer pointing at EOF --
int(0)
int(55)
bool(false)
bool(false)
int(55)
bool(true)
-- File content type : alphanumeric --
-- fgets() with file pointer pointing at EOF --
int(0)
int(50)
bool(false)
bool(false)
int(50)
bool(true)
Done
