nicholsr Fri Jan 25 00:33:00 2008 UTC
Modified files:
/php-src/ext/standard/tests/array array_shuffle_basic.phpt
Log:
- Add a basic test for array_shuffle()
http://cvs.php.net/viewvc.cgi/php-src/ext/standard/tests/array/array_shuffle_basic.phpt?r1=1.1&r2=1.2&diff_format=u
Index: php-src/ext/standard/tests/array/array_shuffle_basic.phpt
diff -u /dev/null php-src/ext/standard/tests/array/array_shuffle_basic.phpt:1.2
--- /dev/null Fri Jan 25 00:33:00 2008
+++ php-src/ext/standard/tests/array/array_shuffle_basic.phpt Fri Jan 25
00:33:00 2008
@@ -0,0 +1,99 @@
+--TEST--
+array_shuffle(): Test return type and value for expected input
+--FILE--
+<?php
+/*
+* proto bool shuffle ( array &$array )
+* Function is implemented in ext/standard/array.c
+*/
+$numbers = range(1, 20);
+echo "*** testing array_shuffle \n";
+$a = array();
+var_dump(shuffle($a));
+var_dump($a);
+$a = array(1);
+var_dump(shuffle($a));
+var_dump($a);
+$a = array(2 => 1);
+var_dump(shuffle($a));
+var_dump($a);
+$a = array("a" => 1);
+var_dump(shuffle($a));
+var_dump($a);
+$a = array(array(1, 2, 3));
+var_dump(shuffle($a));
+var_dump($a);
+$a = array(1, 1, 1, 1);
+var_dump(shuffle($a));
+var_dump($a);
+$arr1 = array(5 => 1, 6 => 2, 7 => 3, 8 => 9);
+$arr2 = array(5 => 1, 6 => 2, 7 => 3, 8 => 9);
+shuffle($arr1);
+echo "this should be 0->...." . count(array_diff($arr1, $arr2)) . "\n";
+echo "this should be 4->...." . count(array_intersect($arr1, $arr2)) . "\n";
+$bigarray = range(1, 400);
+shuffle($bigarray);
+echo "this should be 400->...." . count($bigarray) . "\n";
+echo "*** testing pass by reference \n";
+$original = $bigarray;
+shuffle($bigarray);
+$diffarray = array_diff_assoc($original, $bigarray);
+if (count($diffarray) < 350) {
+ // with 400 entries, the probability that 50 entries or more get the same
+ // key-> value association should be so close to zero it wont happen in
the lifetime of the
+ // universe.
+ echo "shuffled array seems to be similar to original\n";
+ var_dump($original);
+ var_dump($bigarray);
+} else {
+ echo "test passed \n";
+}
+?>
+--EXPECT--
+*** testing array_shuffle
+bool(true)
+array(0) {
+}
+bool(true)
+array(1) {
+ [0]=>
+ int(1)
+}
+bool(true)
+array(1) {
+ [0]=>
+ int(1)
+}
+bool(true)
+array(1) {
+ [0]=>
+ int(1)
+}
+bool(true)
+array(1) {
+ [0]=>
+ array(3) {
+ [0]=>
+ int(1)
+ [1]=>
+ int(2)
+ [2]=>
+ int(3)
+ }
+}
+bool(true)
+array(4) {
+ [0]=>
+ int(1)
+ [1]=>
+ int(1)
+ [2]=>
+ int(1)
+ [3]=>
+ int(1)
+}
+this should be 0->....0
+this should be 4->....4
+this should be 400->....400
+*** testing pass by reference
+test passed
\ No newline at end of file
--
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