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Annotation of embedaddon/php/ext/standard/tests/file/fscanf_error.phpt, revision 1.1.1.1

1.1       misho       1: --TEST--
                      2: Test fscanf() function: error conditions
                      3: 
                      4: --FILE--
                      5: <?php
                      6: /*
                      7:   Prototype: mixed fscanf ( resource $handle, string $format [, mixed &$...] );
                      8:   Description: Parses input from a file according to a format
                      9: */
                     10: 
                     11: echo "*** Testing fscanf() for error conditions ***\n";
                     12: $file_path = dirname(__FILE__);
                     13: 
                     14: $filename = "$file_path/fscanf_error.tmp";
                     15: $file_handle = fopen($filename, 'w');
                     16: if ($file_handle == false) 
                     17:   exit("Error:failed to open file $filename");
                     18: fwrite($file_handle, "hello world");
                     19: fclose($file_handle);
                     20: 
                     21: // zero argument
                     22: var_dump( fscanf() );
                     23: 
                     24: // single argument
                     25: $file_handle = fopen($filename, 'r');
                     26: if ($file_handle == false) 
                     27:   exit("Error:failed to open file $filename");
                     28: var_dump( fscanf($file_handle) );
                     29: fclose($file_handle);
                     30: 
                     31: // invalid file handle
                     32: var_dump( fscanf($file_handle, "%s") );
                     33: 
                     34: // number of formats in format strings not matching the no of variables
                     35: $file_handle = fopen($filename, 'r');
                     36: if ($file_handle == false) 
                     37:   exit("Error:failed to open file $filename");
                     38: var_dump( fscanf($file_handle, "%d%s%f", $int_var, $string_var) );
                     39: fclose($file_handle);
                     40: 
                     41: // different invalid format strings
                     42: $invalid_formats = array( $undefined_var, undefined_constant,
                     43:                           "%", "%h", "%.", "%d%m"
                     44:                    );
                     45: 
                     46: 
                     47: // looping to use various invalid formats with fscanf()
                     48: foreach($invalid_formats as $format)  {
                     49:   $file_handle = fopen($filename, 'r');
                     50:   if ($file_handle == false) 
                     51:     exit("Error:failed to open file $filename");
                     52:   var_dump( fscanf($file_handle, $format) );
                     53:   fclose($file_handle); 
                     54: }
                     55: 
                     56: echo "\n*** Done ***";
                     57: ?>
                     58: --CLEAN--
                     59: <?php
                     60: $file_path = dirname(__FILE__);
                     61: $filename = "$file_path/fscanf_error.tmp";
                     62: unlink($filename);
                     63: ?>
                     64: --EXPECTF--
                     65: *** Testing fscanf() for error conditions ***
                     66: 
                     67: Warning: fscanf() expects at least 2 parameters, 0 given in %s on line %d
                     68: NULL
                     69: 
                     70: Warning: fscanf() expects at least 2 parameters, 1 given in %s on line %d
                     71: NULL
                     72: 
                     73: Warning: fscanf(): %d is not a valid File-Handle resource in %s on line %d
                     74: bool(false)
                     75: 
                     76: Warning: fscanf(): Different numbers of variable names and field specifiers in %s on line %d
                     77: int(-1)
                     78: 
                     79: Notice: Undefined variable: undefined_var in %s on line %d
                     80: 
                     81: Notice: Use of undefined constant undefined_constant - assumed 'undefined_constant' in %s on line %d
                     82: array(0) {
                     83: }
                     84: array(0) {
                     85: }
                     86: 
                     87: Warning: fscanf(): Bad scan conversion character " in %s on line %d
                     88: NULL
                     89: 
                     90: Warning: fscanf(): Bad scan conversion character " in %s on line %d
                     91: NULL
                     92: 
                     93: Warning: fscanf(): Bad scan conversion character "." in %s on line %d
                     94: NULL
                     95: 
                     96: Warning: fscanf(): Bad scan conversion character "m" in %s on line %d
                     97: NULL
                     98: 
                     99: *** Done ***