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Annotation of embedaddon/php/ext/standard/tests/math/abs_variation.phpt, revision 1.1.1.1

1.1       misho       1: --TEST--
                      2: Test abs() function : usage variations - different data types as $number arg
                      3: --FILE--
                      4: <?php
                      5: /* Prototype  : number abs  ( mixed $number  )
                      6:  * Description: Returns the absolute value of number.
                      7:  * Source code: ext/standard/math.c
                      8:  */
                      9: 
                     10: /*
                     11:  * Pass different data types as $number argument to abs() to test behaviour
                     12:  */
                     13: 
                     14: echo "*** Testing abs() : usage variations ***\n";
                     15: 
                     16: //get an unset variable
                     17: $unset_var = 10;
                     18: unset ($unset_var);
                     19: 
                     20: // get a class
                     21: class classA
                     22: {
                     23:   public function __toString() {
                     24:     return "abs";
                     25:   }
                     26: }
                     27: 
                     28: // heredoc string
                     29: $heredoc = <<<EOT
                     30: abs
                     31: EOT;
                     32: 
                     33: // get a resource variable
                     34: $fp = fopen(__FILE__, "r");
                     35: 
                     36: // unexpected values to be passed to $number argument
                     37: $inputs = array(
                     38: 
                     39:        // null data
                     40: /*10*/ NULL,
                     41:        null,
                     42: 
                     43:        // boolean data
                     44: /*12*/ true,
                     45:        false,
                     46:        TRUE,
                     47:        FALSE,
                     48:        
                     49:        // empty data
                     50: /*16*/ "",
                     51:        '',
                     52:        array(),
                     53: 
                     54:        // string data
                     55: /*19*/ "abs",
                     56:        'abs',
                     57:        $heredoc,
                     58:        
                     59:        // object data
                     60: /*22*/ new classA(),
                     61: 
                     62:        // undefined data
                     63: /*23*/ @$undefined_var,
                     64: 
                     65:        // unset data
                     66: /*24*/ @$unset_var,
                     67: 
                     68:        // resource variable
                     69: /*25*/ $fp
                     70: );
                     71: 
                     72: // loop through each element of $inputs to check the behavior of abs()
                     73: $iterator = 1;
                     74: foreach($inputs as $input) {
                     75:        echo "\n-- Iteration $iterator --\n";
                     76:        var_dump(abs($input) );
                     77:        $iterator++;
                     78: };
                     79: 
                     80: fclose($fp);
                     81: ?>
                     82: ===Done===
                     83: --EXPECTF--
                     84: *** Testing abs() : usage variations ***
                     85: 
                     86: -- Iteration 1 --
                     87: int(0)
                     88: 
                     89: -- Iteration 2 --
                     90: int(0)
                     91: 
                     92: -- Iteration 3 --
                     93: int(1)
                     94: 
                     95: -- Iteration 4 --
                     96: int(0)
                     97: 
                     98: -- Iteration 5 --
                     99: int(1)
                    100: 
                    101: -- Iteration 6 --
                    102: int(0)
                    103: 
                    104: -- Iteration 7 --
                    105: int(0)
                    106: 
                    107: -- Iteration 8 --
                    108: int(0)
                    109: 
                    110: -- Iteration 9 --
                    111: bool(false)
                    112: 
                    113: -- Iteration 10 --
                    114: int(0)
                    115: 
                    116: -- Iteration 11 --
                    117: int(0)
                    118: 
                    119: -- Iteration 12 --
                    120: int(0)
                    121: 
                    122: -- Iteration 13 --
                    123: 
                    124: Notice: Object of class classA could not be converted to int in %s on line %d
                    125: int(1)
                    126: 
                    127: -- Iteration 14 --
                    128: int(0)
                    129: 
                    130: -- Iteration 15 --
                    131: int(0)
                    132: 
                    133: -- Iteration 16 --
                    134: int(%d)
                    135: ===Done===