1 files changed, 74 insertions, 0 deletions
diff --git a/ext/standard/tests/array/array_rand_variation5.phpt b/ext/standard/tests/array/array_rand_variation5.phpt
new file mode 100644
index 000000000..e578d8125
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+++ b/ext/standard/tests/array/array_rand_variation5.phpt
@@ -0,0 +1,74 @@
+--TEST--
+Test array_rand() function : usage variation - invalid values for 'req_num' parameter
+--FILE--
+<?php
+/* Prototype  : mixed array_rand(array $input [, int $num_req])
+ * Description: Return key/keys for random entry/entries in the array 
+ * Source code: ext/standard/array.c
+*/
+
+/*
+* Test behaviour of array_rand() function when associative array and 
+* various invalid values are passed to the 'input' and 'req_num' 
+* parameters respectively
+*/
+
+echo "*** Testing array_rand() : with invalid values for 'req_num' ***\n";
+
+// initialise associative arrays
+$input = array(
+  1 => 'one', 2.2 => 'float key', 0.9 => 'decimal key',
+  2e2 => 'exp key1', 2000e-3 => 'negative exp key',
+  0xabc => 2748, 0x12f => '303', 0xff => "255",
+  0123 => 83, 0129 => 10, 010 => "8"
+);
+       
+// Testing array_rand() function with various invalid 'req_num' values
+// with valid num_req values  
+echo"\n-- With default num_req value --\n";
+var_dump( array_rand($input) );  // with default $num_req value
+echo"\n-- With num_req = 1 --\n";
+var_dump( array_rand($input, 1) );  // with valid $num_req value
+
+// with invalid num_req value
+echo"\n-- With num_req = 0 --\n";
+var_dump( array_rand($input, 0) );  // with $num_req=0
+echo"\n-- With num_req = -1 --\n";
+var_dump( array_rand($input, -1) );  // with $num_req=-1
+echo"\n-- With num_req = -2 --\n";
+var_dump( array_rand($input, -2) );  // with $num_req=-2
+echo"\n-- With num_req more than number of members in 'input' array --\n";
+var_dump( array_rand($input, 13) );  // with $num_req=13
+ 
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_rand() : with invalid values for 'req_num' ***
+
+-- With default num_req value --
+int(%d)
+
+-- With num_req = 1 --
+int(%d)
+
+-- With num_req = 0 --
+
+Warning: array_rand(): Second argument has to be between 1 and the number of elements in the array in %s on line %d
+NULL
+
+-- With num_req = -1 --
+
+Warning: array_rand(): Second argument has to be between 1 and the number of elements in the array in %s on line %d
+NULL
+
+-- With num_req = -2 --
+
+Warning: array_rand(): Second argument has to be between 1 and the number of elements in the array in %s on line %d
+NULL
+
+-- With num_req more than number of members in 'input' array --
+
+Warning: array_rand(): Second argument has to be between 1 and the number of elements in the array in %s on line %d
+NULL
+Done