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ce1d69a1f6
PHP requires integer typehints to be written "int" and does not allow "integer" as an alias. This changes type error messages to match the actual type name and avoids confusing messages like "must be of the type integer, integer given".
251 lines
8 KiB
PHP
251 lines
8 KiB
PHP
--TEST--
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Test count() function
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--FILE--
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<?php
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/* Prototype: int count ( mixed $var [, int $mode] );
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Discription: Count elements in an array, or properties in an object
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*/
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echo "*** Testing basic functionality of count() function ***\n";
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print "-- Testing NULL --\n";
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$arr = NULL;
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print "COUNT_NORMAL: should be 0, is ".count($arr, COUNT_NORMAL)."\n";
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print "COUNT_RECURSIVE: should be 0, is ".count($arr, COUNT_RECURSIVE)."\n";
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print "-- Testing arrays --\n";
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$arr = array(1, array(3, 4, array(6, array(8))));
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print "COUNT_NORMAL: should be 2, is ".count($arr, COUNT_NORMAL)."\n";
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print "COUNT_RECURSIVE: should be 8, is ".count($arr, COUNT_RECURSIVE)."\n";
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print "-- Testing hashes --\n";
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$arr = array("a" => 1, "b" => 2, array("c" => 3, array("d" => 5)));
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print "COUNT_NORMAL: should be 3, is ".count($arr, COUNT_NORMAL)."\n";
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print "COUNT_RECURSIVE: should be 6, is ".count($arr, COUNT_RECURSIVE)."\n";
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print "-- Testing strings --\n";
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print "COUNT_NORMAL: should be 1, is ".count("string", COUNT_NORMAL)."\n";
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print "COUNT_RECURSIVE: should be 1, is ".count("string", COUNT_RECURSIVE)."\n";
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print "-- Testing various types with no second argument --\n";
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print "COUNT_NORMAL: should be 1, is ".count("string")."\n";
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print "COUNT_NORMAL: should be 2, is ".count(array("a", array("b")))."\n";
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$arr = array('a'=>array(NULL, NULL, NULL), 1=>array(NULL=>1, 1=>NULL),
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array(array(array(array(array(NULL))))));
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print "-- Testing really cool arrays --\n";
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print "COUNT_NORMAL: should be 3, is ".count($arr, COUNT_NORMAL)."\n";
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print "COUNT_RECURSIVE: should be 13, is ".count($arr, COUNT_RECURSIVE)."\n";
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echo "\n*** Testing possible variations of count() function on arrays ***";
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$count_array = array(
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array(),
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array( 1 => "string"),
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array( "" => "string", 0 => "a", NULL => "b", -1.00 => "c",
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array(array(array(NULL)))),
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array( -2.44444 => 12, array(array(1, 2, array(array("0"))))),
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array( "a" => 1, "b" => -2.344, "b" => "string", "c" => NULL, "d" => -2.344),
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array( 4 => 1, 3 => -2.344, "3" => "string", "2" => NULL,
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1 => -2.344, array()),
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array( TRUE => TRUE, FALSE => FALSE, "" => "", " " => " ",
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NULL => NULL, "\x000" => "\x000", "\000" => "\000"),
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array( NULL, 1.23 => "Hi", "string" => "hello",
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array("" => "World", "-2.34" => "a", "0" => "b"))
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);
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$i = 0;
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foreach ($count_array as $count_value) {
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echo "\n-- Iteration $i --\n";
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print "COUNT_NORMAL is ".count($count_value, COUNT_NORMAL)."\n";
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print "COUNT_RECURSIVE is ".count($count_value, COUNT_RECURSIVE)."\n";
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$i++;
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}
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/* Testing count() by passing constant with no second argument */
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print "\n-- Testing count() on constants with no second argument --\n";
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print "COUNT_NORMAL: should be 1, is ".count(100)."\n";
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print "COUNT_NORMAL: should be 1, is ".count(-23.45)."\n";
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print "\n-- Testing count() on NULL and Unset variables --\n";
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print "COUNT_NORMAL: should be 0, is ".count(NULL)."\n";
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print "COUNT_NORMAL: should be 1, is ".count("")."\n";
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print "COUNT_NORMAL: should be 0, is ".@count($a)."\n";
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print "\n-- Testing count() on an empty sub-array --\n";
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$arr = array(1, array(3, 4, array()));
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print "COUNT_NORMAL: should be 2, is ".count($arr, COUNT_NORMAL)."\n";
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print "COUNT_RECURSIVE: should be 5, is ".count($arr, COUNT_RECURSIVE)."\n";
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echo "\n-- Testing count() on objects with Countable interface --\n";
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class count_class implements Countable {
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private $var_private;
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public $var_public;
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protected $var_protected;
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public function count() {
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return 3;
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}
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}
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$obj = new count_class();
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print "COUNT_NORMAL: should be 3, is ".count($obj)."\n";
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echo "\n-- Testing count() on resource type --\n";
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$resource1 = fopen( __FILE__, "r" ); // Creating file(stream type) resource
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$resource2 = opendir( "." ); // Creating dir resource
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/* creating an array with resources as elements */
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$arr_resource = array("a" => $resource1, "b" => $resource2);
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var_dump(count($arr_resource));
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echo "\n-- Testing count() on arrays containing references --\n";
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$arr = array(1, array("a", "b", "c"));
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$arr[2] = &$arr[1];
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$mode_arr = array( COUNT_NORMAL, COUNT_RECURSIVE, 0, 1, -1, -1.45, 2, TRUE,
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FALSE, NULL);
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for( $i =0; $i < count( $mode_arr ); $i++) {
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echo "For mode '$mode_arr[$i]' count is => ";
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var_dump(count($arr, $mode_arr[$i]));
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}
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echo "\n-- Testing error conditions --";
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var_dump( count() ); // No. of args = 0
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var_dump( count(array(), COUNT_NORMAL, 100) ); // No. of args > expected
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/* Testing Invalid type arguments */
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var_dump( count("string", ABCD) );
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var_dump( count(100, "string") );
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var_dump( count(array(), "") );
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echo "\nDone";
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/* closing the resource handles */
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fclose( $resource1 );
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closedir( $resource2 );
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?>
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--EXPECTF--
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*** Testing basic functionality of count() function ***
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-- Testing NULL --
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Warning: count(): Parameter must be an array or an object that implements Countable in %s on line %d
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COUNT_NORMAL: should be 0, is 0
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Warning: count(): Parameter must be an array or an object that implements Countable in %s on line %d
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COUNT_RECURSIVE: should be 0, is 0
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-- Testing arrays --
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COUNT_NORMAL: should be 2, is 2
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COUNT_RECURSIVE: should be 8, is 8
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-- Testing hashes --
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COUNT_NORMAL: should be 3, is 3
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COUNT_RECURSIVE: should be 6, is 6
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-- Testing strings --
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Warning: count(): Parameter must be an array or an object that implements Countable in %s on line %d
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COUNT_NORMAL: should be 1, is 1
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Warning: count(): Parameter must be an array or an object that implements Countable in %s on line %d
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COUNT_RECURSIVE: should be 1, is 1
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-- Testing various types with no second argument --
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Warning: count(): Parameter must be an array or an object that implements Countable in %s on line %d
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COUNT_NORMAL: should be 1, is 1
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COUNT_NORMAL: should be 2, is 2
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-- Testing really cool arrays --
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COUNT_NORMAL: should be 3, is 3
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COUNT_RECURSIVE: should be 13, is 13
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*** Testing possible variations of count() function on arrays ***
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-- Iteration 0 --
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COUNT_NORMAL is 0
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COUNT_RECURSIVE is 0
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-- Iteration 1 --
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COUNT_NORMAL is 1
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COUNT_RECURSIVE is 1
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-- Iteration 2 --
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COUNT_NORMAL is 4
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COUNT_RECURSIVE is 7
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-- Iteration 3 --
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COUNT_NORMAL is 2
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COUNT_RECURSIVE is 8
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-- Iteration 4 --
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COUNT_NORMAL is 4
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COUNT_RECURSIVE is 4
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-- Iteration 5 --
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COUNT_NORMAL is 5
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COUNT_RECURSIVE is 5
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-- Iteration 6 --
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COUNT_NORMAL is 6
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COUNT_RECURSIVE is 6
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-- Iteration 7 --
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COUNT_NORMAL is 4
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COUNT_RECURSIVE is 7
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-- Testing count() on constants with no second argument --
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Warning: count(): Parameter must be an array or an object that implements Countable in %s on line %d
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COUNT_NORMAL: should be 1, is 1
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Warning: count(): Parameter must be an array or an object that implements Countable in %s on line %d
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COUNT_NORMAL: should be 1, is 1
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-- Testing count() on NULL and Unset variables --
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Warning: count(): Parameter must be an array or an object that implements Countable in %s on line %d
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COUNT_NORMAL: should be 0, is 0
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Warning: count(): Parameter must be an array or an object that implements Countable in %s on line %d
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COUNT_NORMAL: should be 1, is 1
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COUNT_NORMAL: should be 0, is 0
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-- Testing count() on an empty sub-array --
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COUNT_NORMAL: should be 2, is 2
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COUNT_RECURSIVE: should be 5, is 5
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-- Testing count() on objects with Countable interface --
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COUNT_NORMAL: should be 3, is 3
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-- Testing count() on resource type --
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int(2)
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-- Testing count() on arrays containing references --
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For mode '0' count is => int(3)
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For mode '1' count is => int(9)
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For mode '0' count is => int(3)
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For mode '1' count is => int(9)
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For mode '-1' count is => int(3)
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For mode '-1.45' count is => int(3)
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For mode '2' count is => int(3)
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For mode '1' count is => int(9)
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For mode '' count is => int(3)
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For mode '' count is => int(3)
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-- Testing error conditions --
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Warning: count() expects at least 1 parameter, 0 given in %s on line %d
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NULL
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Warning: count() expects at most 2 parameters, 3 given in %s on line %d
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NULL
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Warning: Use of undefined constant ABCD - assumed 'ABCD' (this will throw an Error in a future version of PHP) in %s on line %d
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Warning: count() expects parameter 2 to be int, %s given in %s on line %d
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NULL
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Warning: count() expects parameter 2 to be int, %s given in %s on line %d
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NULL
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Warning: count() expects parameter 2 to be int, %s given in %s on line %d
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NULL
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Done
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