New testcases for array_intersect() function

1 files changed, 80 insertions, 0 deletions

diff --git a/ext/standard/tests/array/array_intersect_basic.phpt b/ext/standard/tests/array/array_intersect_basic.phpt
new file mode 100644
index 0000000000..fde5782c90
--- /dev/null
+++ b/ext/standard/tests/array/array_intersect_basic.phpt
@@ -0,0 +1,80 @@
+--TEST--
+Test array_intersect() function : basic functionality
+--FILE--
+<?php
+/* Prototype  : array array_intersect(array $arr1, array $arr2 [, array $...])
+ * Description: Returns the entries of arr1 that have values which are present in all the other arguments 
+ * Source code: ext/standard/array.c
+*/
+
+/*
+* Testing the behavior of array_intersect() by passing different arrays for the arguments. 
+* Function is tested by passing associative array as well as array with default keys.
+*/
+
+echo "*** Testing array_intersect() : basic functionality ***\n";
+
+// array with default keys
+$arr_default_keys = array(1, 2, "hello", 'world');
+
+// associative array
+$arr_associative = array("one" => 1, "two" => 2);
+
+// default key array for both $arr1 and $arr2 argument
+var_dump( array_intersect($arr_default_keys, $arr_default_keys) );
+
+// default key array for $arr1 and associative array for $arr2 argument
+var_dump( array_intersect($arr_default_keys, $arr_associative) );
+
+// associative array for $arr1 and default key array for $arr2
+var_dump( array_intersect($arr_associative, $arr_default_keys) );
+
+// associative array for both $arr1 and $arr2 argument
+var_dump( array_intersect($arr_associative, $arr_associative) );
+
+// more arrays to be intersected
+$arr3 = array(2, 3, 4);
+var_dump( array_intersect($arr_default_keys, $arr_associative, $arr3) );
+var_dump( array_intersect($arr_associative, $arr_default_keys, $arr3, $arr_associative) );
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_intersect() : basic functionality ***
+array(4) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+  [2]=>
+  string(5) "hello"
+  [3]=>
+  string(5) "world"
+}
+array(2) {
+  [0]=>
+  int(1)
+  [1]=>
+  int(2)
+}
+array(2) {
+  ["one"]=>
+  int(1)
+  ["two"]=>
+  int(2)
+}
+array(2) {
+  ["one"]=>
+  int(1)
+  ["two"]=>
+  int(2)
+}
+array(1) {
+  [1]=>
+  int(2)
+}
+array(1) {
+  ["two"]=>
+  int(2)
+}
+Done