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von raredesign | Dez 3, 2019 | Allgemein | 0 Kommentare

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Current File : //usr/local/src/php7/php-7.0.5/ext/standard/tests/array/uasort_object2.phpt

--TEST--
Test uasort() function : object functionality - sort diff. objects 
--FILE--
<?php
/* Prototype  : bool uasort(array $array_arg, string $cmp_function)
 * Description: Sort an array with a user-defined comparison function and maintain index association 
 * Source code: ext/standard/array.c
*

/*
 * This testcase tests uasort() functionality with different objects
 * Objects of different classes: 
 *  simple class,
 *  child class,
 *  empty class & 
 *  static class
 */

echo "*** Testing uasort() : object functionality ***\n";

// comparison function
/* Prototype : int cmp_function(mixed $value1, mixed $value2)
 * Parameters : $value1 and $value2 - values to be compared
 * Return value : 0 - if both values are same
 *                1 - if value1 is greater than value2
 *               -1 - if value1 is less than value2
 * Description : compares value1 and value2
 */
function cmp_function($value1, $value2)
{
  if($value1 == $value2) {
    return 0;
  }
  else if($value1 > $value2) {
    return 1;
  }
  else
    return -1;
}


// Simple class with single member variable
class SimpleClass
{
  private $int_value;
  
  public function __construct($value) {
    $this->int_value = $value;
  }
  
}

// Class without any member
class EmptyClass
{
}

// Class with static member
class StaticClass
{
  public static $static_value;
  public function __construct($value) {
    StaticClass::$static_value = $value;
  }
}

// Abstract class
abstract class AbstractClass
{
  public $pub_value;
  public abstract function abstractMethod();
}

// Child class extending abstract class
class ChildClass extends AbstractClass
{
  public $child_value = 100;
  public function abstractMethod() {
    $pub_value = 5;
  }
  public function __construct($value) {
    $this->child_value = $value;
  }
}

// Testing uasort with StaticClass objects as elements of 'array_arg'
echo "-- Testing uasort() with StaticClass objects --\n";
$array_arg = array(
  0 => new StaticClass(20),
  1 => new StaticClass(50),
  2 => new StaticClass(15),
  3 => new StaticClass(70),
);
var_dump( uasort($array_arg, 'cmp_function') );
var_dump($array_arg);

// Testing uasort with EmptyClass objects as elements of 'array_arg'
echo "-- Testing uasort() with EmptyClass objects --\n";
$array_arg = array(
  0 => new EmptyClass(),
  1 => new EmptyClass(),
  2 => new EmptyClass(),
  3 => new EmptyClass(),
);
var_dump( uasort($array_arg, 'cmp_function') );
var_dump($array_arg);

// Testing uasort with ChildClass objects as elements of 'array_arg'
echo "-- Testing uasort() with ChildClass objects --\n";
$array_arg = array(
  0 => new ChildClass(20),
  1 => new ChildClass(500),
  2 => new ChildClass(15),
  3 => new ChildClass(700),
);
var_dump( uasort($array_arg, 'cmp_function') );
var_dump($array_arg);

echo "Done"
?>
--EXPECTF--
*** Testing uasort() : object functionality ***
-- Testing uasort() with StaticClass objects --
bool(true)
array(4) {
  [0]=>
  object(StaticClass)#%d (0) {
  }
  [1]=>
  object(StaticClass)#%d (0) {
  }
  [2]=>
  object(StaticClass)#%d (0) {
  }
  [3]=>
  object(StaticClass)#%d (0) {
  }
}
-- Testing uasort() with EmptyClass objects --
bool(true)
array(4) {
  [0]=>
  object(EmptyClass)#%d (0) {
  }
  [1]=>
  object(EmptyClass)#%d (0) {
  }
  [2]=>
  object(EmptyClass)#%d (0) {
  }
  [3]=>
  object(EmptyClass)#%d (0) {
  }
}
-- Testing uasort() with ChildClass objects --
bool(true)
array(4) {
  [2]=>
  object(ChildClass)#%d (2) {
    ["child_value"]=>
    int(15)
    ["pub_value"]=>
    NULL
  }
  [0]=>
  object(ChildClass)#%d (2) {
    ["child_value"]=>
    int(20)
    ["pub_value"]=>
    NULL
  }
  [1]=>
  object(ChildClass)#%d (2) {
    ["child_value"]=>
    int(500)
    ["pub_value"]=>
    NULL
  }
  [3]=>
  object(ChildClass)#%d (2) {
    ["child_value"]=>
    int(700)
    ["pub_value"]=>
    NULL
  }
}
Done

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