From d5acf6ad81b06781f053a3dcbdf78bbba81f62de Mon Sep 17 00:00:00 2001
From: Raghubansh Kumar <kraghuba@php.net>
Date: Tue, 27 Nov 2007 15:17:07 +0000
Subject: [PATCH] New testcases for array_combine() function

---
 .../tests/array/array_combine_basic.phpt      |  52 ++++
 .../tests/array/array_combine_error1.phpt     |  48 +++
 .../tests/array/array_combine_error2.phpt     |  53 ++++
 .../tests/array/array_combine_variation1.phpt | 198 ++++++++++++
 .../tests/array/array_combine_variation2.phpt | 198 ++++++++++++
 .../tests/array/array_combine_variation3.phpt | 283 ++++++++++++++++++
 .../tests/array/array_combine_variation4.phpt | 192 ++++++++++++
 .../tests/array/array_combine_variation5.phpt | 186 ++++++++++++
 .../tests/array/array_combine_variation6.phpt |  53 ++++
 9 files changed, 1263 insertions(+)
 create mode 100644 ext/standard/tests/array/array_combine_basic.phpt
 create mode 100644 ext/standard/tests/array/array_combine_error1.phpt
 create mode 100644 ext/standard/tests/array/array_combine_error2.phpt
 create mode 100644 ext/standard/tests/array/array_combine_variation1.phpt
 create mode 100644 ext/standard/tests/array/array_combine_variation2.phpt
 create mode 100644 ext/standard/tests/array/array_combine_variation3.phpt
 create mode 100644 ext/standard/tests/array/array_combine_variation4.phpt
 create mode 100644 ext/standard/tests/array/array_combine_variation5.phpt
 create mode 100644 ext/standard/tests/array/array_combine_variation6.phpt

diff --git a/ext/standard/tests/array/array_combine_basic.phpt b/ext/standard/tests/array/array_combine_basic.phpt
new file mode 100644
index 00000000000..5d855cfec68
--- /dev/null
+++ b/ext/standard/tests/array/array_combine_basic.phpt
@@ -0,0 +1,52 @@
+--TEST--
+Test array_combine() function : basic functionality 
+--FILE--
+<?php
+/* Prototype  : array array_combine(array $keys, array $values)
+ * Description: Creates an array by using the elements of the first parameter as keys 
+ *              and the elements of the second as the corresponding values 
+ * Source code: ext/standard/array.c
+*/
+
+echo "*** Testing array_combine() : basic functionality ***\n";
+
+/* Different arrays for $keys and $values arguments */
+
+// array with default keys for $keys and $values arguments
+$keys_array = array(1, 2);
+$values_array = array(3,4);
+var_dump( array_combine($keys_array, $values_array) );
+
+// associative arrays for $keys and $values arguments
+$keys_array = array(1 => "a", 2 => 'b');
+$values_array = array(3 => 'c', 4 => "d");
+var_dump( array_combine($keys_array, $values_array) );
+
+// mixed array for $keys and $values arguments
+$keys_array = array(1, 2 => "b");
+$values_array = array(3 => 'c', 4);
+var_dump( array_combine($keys_array, $values_array) );
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_combine() : basic functionality ***
+array(2) {
+  [1]=>
+  int(3)
+  [2]=>
+  int(4)
+}
+array(2) {
+  ["a"]=>
+  string(1) "c"
+  ["b"]=>
+  string(1) "d"
+}
+array(2) {
+  [1]=>
+  string(1) "c"
+  ["b"]=>
+  int(4)
+}
+Done
diff --git a/ext/standard/tests/array/array_combine_error1.phpt b/ext/standard/tests/array/array_combine_error1.phpt
new file mode 100644
index 00000000000..aa5a1afe1b3
--- /dev/null
+++ b/ext/standard/tests/array/array_combine_error1.phpt
@@ -0,0 +1,48 @@
+--TEST--
+Test array_combine() function : error conditions 
+--FILE--
+<?php
+/* Prototype  : array array_combine(array $keys, array $values)
+ * Description: Creates an array by using the elements of the first parameter as keys 
+ *              and the elements of the second as the corresponding values 
+ * Source code: ext/standard/array.c
+*/
+
+echo "*** Testing array_combine() : error conditions ***\n";
+
+// Zero arguments
+echo "\n-- Testing array_combine() function with Zero arguments --\n";
+var_dump( array_combine() );
+
+//Test array_combine with one more than the expected number of arguments
+echo "\n-- Testing array_combine() function with more than expected no. of arguments --\n";
+$keys = array(1, 2);
+$values = array(1, 2);
+$extra_arg = 10;
+var_dump( array_combine($keys,$values, $extra_arg) );
+
+// Testing array_combine with one less than the expected number of arguments
+echo "\n-- Testing array_combine() function with less than expected no. of arguments --\n";
+$keys = array(1, 2);
+var_dump( array_combine($keys) );
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_combine() : error conditions ***
+
+-- Testing array_combine() function with Zero arguments --
+
+Warning: array_combine() expects exactly 2 parameters, 0 given in %s on line %d
+NULL
+
+-- Testing array_combine() function with more than expected no. of arguments --
+
+Warning: array_combine() expects exactly 2 parameters, 3 given in %s on line %d
+NULL
+
+-- Testing array_combine() function with less than expected no. of arguments --
+
+Warning: array_combine() expects exactly 2 parameters, 1 given in %s on line %d
+NULL
+Done
diff --git a/ext/standard/tests/array/array_combine_error2.phpt b/ext/standard/tests/array/array_combine_error2.phpt
new file mode 100644
index 00000000000..c06fdb490a6
--- /dev/null
+++ b/ext/standard/tests/array/array_combine_error2.phpt
@@ -0,0 +1,53 @@
+--TEST--
+Test array_combine() function : error conditions - empty array
+--FILE--
+<?php
+/* Prototype  : array array_combine(array $keys, array $values)
+ * Description: Creates an array by using the elements of the first parameter as keys 
+ *              and the elements of the second as the corresponding values 
+ * Source code: ext/standard/array.c
+*/
+
+echo "*** Testing array_combine() : error conditions specific to array_combine() ***\n";
+
+// Testing array_combine by passing empty arrays to $keys and $values arguments
+echo "\n-- Testing array_combine() function with empty arrays --\n";
+var_dump( array_combine(array(), array()) );
+
+// Testing array_combine by passing empty array to $keys
+echo "\n-- Testing array_combine() function with empty array for \$keys argument --\n";
+var_dump( array_combine(array(), array(1, 2)) );
+
+// Testing array_combine by passing empty array to $values
+echo "\n-- Testing array_combine() function with empty array for \$values argument --\n";
+var_dump( array_combine(array(1, 2), array()) );
+
+// Testing array_combine with arrays having unequal number of elements
+echo "\n-- Testing array_combine() function by passing array with unequal number of elements --\n";
+var_dump( array_combine(array(1, 2), array(1, 2, 3)) );
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_combine() : error conditions specific to array_combine() ***
+
+-- Testing array_combine() function with empty arrays --
+
+Warning: array_combine(): Both parameters should have at least 1 element in %s on line %d
+bool(false)
+
+-- Testing array_combine() function with empty array for $keys argument --
+
+Warning: array_combine(): Both parameters should have an equal number of elements in %s on line %d
+bool(false)
+
+-- Testing array_combine() function with empty array for $values argument --
+
+Warning: array_combine(): Both parameters should have an equal number of elements in %s on line %d
+bool(false)
+
+-- Testing array_combine() function by passing array with unequal number of elements --
+
+Warning: array_combine(): Both parameters should have an equal number of elements in %s on line %d
+bool(false)
+Done
diff --git a/ext/standard/tests/array/array_combine_variation1.phpt b/ext/standard/tests/array/array_combine_variation1.phpt
new file mode 100644
index 00000000000..c69d4ebafd8
--- /dev/null
+++ b/ext/standard/tests/array/array_combine_variation1.phpt
@@ -0,0 +1,198 @@
+--TEST--
+Test array_combine() function : usage variations - unexpected values for 'keys' argument
+--FILE--
+<?php
+/* Prototype  : array array_combine(array $keys, array $values)
+ * Description: Creates an array by using the elements of the first parameter as keys 
+ *              and the elements of the second as the corresponding values 
+ * Source code: ext/standard/array.c
+*/
+
+/*
+* Testing array_combine() function by passing values to $keys argument other than arrays
+* and see that function emits proper warning messages wherever expected.
+* The $values argument passed is a fixed array.
+*/
+
+echo "*** Testing array_combine() : Passing non-array values to \$keys argument ***\n";
+
+// Initialise $values argument 
+$values = array(1, 2);
+
+//get an unset variable
+$unset_var = 10;
+unset($unset_var);
+
+// get a class
+class classA
+{
+  public function __toString() {
+    return "Class A object";
+  }
+}
+
+// heredoc string
+$heredoc = <<<EOT
+hello world
+EOT;
+
+// get a resource variable
+$fp = fopen(__FILE__, "r");
+
+// unexpected values to be passed to $keys argument
+$keys_passed = array(
+
+       // int data
+/*1*/  0,
+       1,
+       12345,
+       -2345,
+
+       // float data
+/*5*/  10.5,
+       -10.5,
+       12.3456789000e10,
+       12.3456789000E-10,
+       .5,
+
+       // null data
+/*10*/ NULL,
+       null,
+
+       // boolean data
+/*12*/ true,
+       false,
+       TRUE,
+       FALSE,
+
+       // empty data
+/*16*/ "",
+       '',
+
+       // string data
+/*18*/ "string",
+       'string',
+       $heredoc,
+
+       // object data
+/*21*/ new classA(),
+
+       // undefined data
+/*22*/ @$undefined_var,
+
+       // unset data
+/*23*/ @$unset_var,
+
+       // resource variable
+/*24*/ $fp
+);
+
+// loop through each element within $keys_passed to check the behavior of array_combine()
+$iterator = 1;
+foreach($keys_passed as $keys) {
+  echo "-- Iteration $iterator --\n";
+  var_dump( array_combine($keys,$values) );
+  $iterator++;
+};
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_combine() : Passing non-array values to $keys argument ***
+-- Iteration 1 --
+
+Warning: array_combine() expects parameter 1 to be array, integer given in %s on line %d
+NULL
+-- Iteration 2 --
+
+Warning: array_combine() expects parameter 1 to be array, integer given in %s on line %d
+NULL
+-- Iteration 3 --
+
+Warning: array_combine() expects parameter 1 to be array, integer given in %s on line %d
+NULL
+-- Iteration 4 --
+
+Warning: array_combine() expects parameter 1 to be array, integer given in %s on line %d
+NULL
+-- Iteration 5 --
+
+Warning: array_combine() expects parameter 1 to be array, double given in %s on line %d
+NULL
+-- Iteration 6 --
+
+Warning: array_combine() expects parameter 1 to be array, double given in %s on line %d
+NULL
+-- Iteration 7 --
+
+Warning: array_combine() expects parameter 1 to be array, double given in %s on line %d
+NULL
+-- Iteration 8 --
+
+Warning: array_combine() expects parameter 1 to be array, double given in %s on line %d
+NULL
+-- Iteration 9 --
+
+Warning: array_combine() expects parameter 1 to be array, double given in %s on line %d
+NULL
+-- Iteration 10 --
+
+Warning: array_combine() expects parameter 1 to be array, null given in %s on line %d
+NULL
+-- Iteration 11 --
+
+Warning: array_combine() expects parameter 1 to be array, null given in %s on line %d
+NULL
+-- Iteration 12 --
+
+Warning: array_combine() expects parameter 1 to be array, boolean given in %s on line %d
+NULL
+-- Iteration 13 --
+
+Warning: array_combine() expects parameter 1 to be array, boolean given in %s on line %d
+NULL
+-- Iteration 14 --
+
+Warning: array_combine() expects parameter 1 to be array, boolean given in %s on line %d
+NULL
+-- Iteration 15 --
+
+Warning: array_combine() expects parameter 1 to be array, boolean given in %s on line %d
+NULL
+-- Iteration 16 --
+
+Warning: array_combine() expects parameter 1 to be array, string given in %s on line %d
+NULL
+-- Iteration 17 --
+
+Warning: array_combine() expects parameter 1 to be array, string given in %s on line %d
+NULL
+-- Iteration 18 --
+
+Warning: array_combine() expects parameter 1 to be array, string given in %s on line %d
+NULL
+-- Iteration 19 --
+
+Warning: array_combine() expects parameter 1 to be array, string given in %s on line %d
+NULL
+-- Iteration 20 --
+
+Warning: array_combine() expects parameter 1 to be array, string given in %s on line %d
+NULL
+-- Iteration 21 --
+
+Warning: array_combine() expects parameter 1 to be array, object given in %s on line %d
+NULL
+-- Iteration 22 --
+
+Warning: array_combine() expects parameter 1 to be array, null given in %s on line %d
+NULL
+-- Iteration 23 --
+
+Warning: array_combine() expects parameter 1 to be array, null given in %s on line %d
+NULL
+-- Iteration 24 --
+
+Warning: array_combine() expects parameter 1 to be array, resource given in %s on line %d
+NULL
+Done
diff --git a/ext/standard/tests/array/array_combine_variation2.phpt b/ext/standard/tests/array/array_combine_variation2.phpt
new file mode 100644
index 00000000000..e58893bae7a
--- /dev/null
+++ b/ext/standard/tests/array/array_combine_variation2.phpt
@@ -0,0 +1,198 @@
+--TEST--
+Test array_combine() function : usage variations - unexpected values for 'values' argument
+--FILE--
+<?php
+/* Prototype  : array array_combine(array $keys, array $values)
+ * Description: Creates an array by using the elements of the first parameter as keys 
+ *              and the elements of the second as the corresponding values 
+ * Source code: ext/standard/array.c
+*/
+
+/*
+* Testing array_combine() function by passing values to $values argument other than arrays
+* and see that function emits proper warning messages wherever expected.
+* The $keys argument passed is a fixed array.
+*/
+
+echo "*** Testing array_combine() : Passing non-array values to \$values argument ***\n";
+
+// Initialize $keys array
+$keys = array(1, 2);
+
+//get an unset variable
+$unset_var = 10;
+unset($unset_var);
+
+// get a class
+class classA
+{
+  public function __toString() {
+    return "Class A object";
+  }
+}
+
+// heredoc string
+$heredoc = <<<EOT
+hello world
+EOT;
+
+// get a resource variable
+$fp = fopen(__FILE__, "r");
+
+// unexpected values to be passed to $values argument
+$values_passed = array(
+
+       // int data
+/*1*/  0,
+       1,
+       12345,
+       -2345,
+
+       // float data
+/*5*/  10.5,
+       -10.5,
+       12.3456789000e10,
+       12.3456789000E-10,
+       .5,
+
+       // null data
+/*10*/ NULL,
+       null,
+
+       // boolean data
+/*12*/ true,
+       false,
+       TRUE,
+       FALSE,
+
+       // empty data
+/*16*/ "",
+       '',
+
+       // string data
+/*18*/ "string",
+       'string',
+       $heredoc,
+
+       // object data
+/*21*/ new classA(),
+
+       // undefined data
+/*22*/ @$undefined_var,
+
+       // unset data
+/*23*/ @$unset_var,
+
+       // resource variable
+/*24*/ $fp
+);
+
+// loop through each element within $values_passed to check the behavior of array_combine()
+$iterator = 1;
+foreach($values_passed as $values) {
+  echo "-- Iteration $iterator --\n";
+  var_dump( array_combine($keys,$values) );
+  $iterator++;
+};
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_combine() : Passing non-array values to $values argument ***
+-- Iteration 1 --
+
+Warning: array_combine() expects parameter 2 to be array, integer given in %s on line %d
+NULL
+-- Iteration 2 --
+
+Warning: array_combine() expects parameter 2 to be array, integer given in %s on line %d
+NULL
+-- Iteration 3 --
+
+Warning: array_combine() expects parameter 2 to be array, integer given in %s on line %d
+NULL
+-- Iteration 4 --
+
+Warning: array_combine() expects parameter 2 to be array, integer given in %s on line %d
+NULL
+-- Iteration 5 --
+
+Warning: array_combine() expects parameter 2 to be array, double given in %s on line %d
+NULL
+-- Iteration 6 --
+
+Warning: array_combine() expects parameter 2 to be array, double given in %s on line %d
+NULL
+-- Iteration 7 --
+
+Warning: array_combine() expects parameter 2 to be array, double given in %s on line %d
+NULL
+-- Iteration 8 --
+
+Warning: array_combine() expects parameter 2 to be array, double given in %s on line %d
+NULL
+-- Iteration 9 --
+
+Warning: array_combine() expects parameter 2 to be array, double given in %s on line %d
+NULL
+-- Iteration 10 --
+
+Warning: array_combine() expects parameter 2 to be array, null given in %s on line %d
+NULL
+-- Iteration 11 --
+
+Warning: array_combine() expects parameter 2 to be array, null given in %s on line %d
+NULL
+-- Iteration 12 --
+
+Warning: array_combine() expects parameter 2 to be array, boolean given in %s on line %d
+NULL
+-- Iteration 13 --
+
+Warning: array_combine() expects parameter 2 to be array, boolean given in %s on line %d
+NULL
+-- Iteration 14 --
+
+Warning: array_combine() expects parameter 2 to be array, boolean given in %s on line %d
+NULL
+-- Iteration 15 --
+
+Warning: array_combine() expects parameter 2 to be array, boolean given in %s on line %d
+NULL
+-- Iteration 16 --
+
+Warning: array_combine() expects parameter 2 to be array, string given in %s on line %d
+NULL
+-- Iteration 17 --
+
+Warning: array_combine() expects parameter 2 to be array, string given in %s on line %d
+NULL
+-- Iteration 18 --
+
+Warning: array_combine() expects parameter 2 to be array, string given in %s on line %d
+NULL
+-- Iteration 19 --
+
+Warning: array_combine() expects parameter 2 to be array, string given in %s on line %d
+NULL
+-- Iteration 20 --
+
+Warning: array_combine() expects parameter 2 to be array, string given in %s on line %d
+NULL
+-- Iteration 21 --
+
+Warning: array_combine() expects parameter 2 to be array, object given in %s on line %d
+NULL
+-- Iteration 22 --
+
+Warning: array_combine() expects parameter 2 to be array, null given in %s on line %d
+NULL
+-- Iteration 23 --
+
+Warning: array_combine() expects parameter 2 to be array, null given in %s on line %d
+NULL
+-- Iteration 24 --
+
+Warning: array_combine() expects parameter 2 to be array, resource given in %s on line %d
+NULL
+Done
diff --git a/ext/standard/tests/array/array_combine_variation3.phpt b/ext/standard/tests/array/array_combine_variation3.phpt
new file mode 100644
index 00000000000..737b96bd8ae
--- /dev/null
+++ b/ext/standard/tests/array/array_combine_variation3.phpt
@@ -0,0 +1,283 @@
+--TEST--
+Test array_combine() function : usage variations - different arrays
+--FILE--
+<?php
+/* Prototype  : array array_combine(array $keys, array $values)
+ * Description: Creates an array by using the elements of the first parameter as keys
+ *              and the elements of the second as the corresponding values
+ * Source code: ext/standard/array.c
+*/
+
+/*
+* Passing different types of arrays to both $keys and $values arguments and testing whether 
+* array_combine() behaves in an expected way with the arguments passed to the function
+*/
+
+echo "*** Testing array_combine() : Passing different types of arrays to both \$keys and \$values argument ***\n";
+/* Different heredoc strings passed as argument to arrays */
+// heredoc with blank line
+$blank_line = <<<EOT
+
+
+EOT;
+
+// heredoc with multiline string
+$multiline_string = <<<EOT
+hello world
+The quick brown fox jumped over;
+the lazy dog
+This is a double quoted string
+EOT;
+
+// heredoc with diferent whitespaces
+$diff_whitespaces = <<<EOT
+hello\r world\t
+1111\t\t != 2222\v\v
+heredoc\ndouble quoted string. with\vdifferent\fwhite\vspaces
+EOT;
+
+// heredoc with quoted strings and numeric values
+$numeric_string = <<<EOT
+11 < 12. 123 >22
+'single quoted string'
+"double quoted string"
+2222 != 1111.\t 0000 = 0000\n
+EOT;
+
+// arrays passed to $keys argument
+$arrays = array (
+/*1*/  array(1, 2), // with default keys and numeric values
+       array(1.1, 2.2), // with default keys & float values
+       array(false,true), // with default keys and boolean values
+       array(), // empty array
+/*5*/  array(NULL), // with NULL
+       array("a\v\f","aaaa\r","b","b\tbbb","c","\[\]\!\@\#\$\%\^\&\*\(\)\{\}"),  // with double quoted strings
+       array('a\v\f','aaaa\r','b','b\tbbb','c','\[\]\!\@\#\$\%\^\&\*\(\)\{\}'),  // with single quoted strings
+       array("h1" => $blank_line, "h2" => $multiline_string, "h3" => $diff_whitespaces, $numeric_string),  // with heredocs
+
+       // associative arrays
+/*9*/  array(1 => "one", 2 => "two", 3 => "three"),  // explicit numeric keys, string values
+       array("one" => 1, "two" => 2, "three" => 3 ),  // string keys & numeric values
+       array( 1 => 10, 2 => 20, 4 => 40, 3 => 30),  // explicit numeric keys and numeric values
+       array( "one" => "ten", "two" => "twenty", "three" => "thirty"),  // string key/value
+       array("one" => 1, 2 => "two", 4 => "four"),  //mixed
+
+       // associative array, containing null/empty/boolean values as key/value
+/*14*/ array(NULL => "NULL", null => "null", "NULL" => NULL, "null" => null),
+       array(true => "true", false => "false", "false" => false, "true" => true),
+       array("" => "emptyd", '' => 'emptys', "emptyd" => "", 'emptys' => ''),
+       array(1 => '', 2 => "", 3 => NULL, 4 => null, 5 => false, 6 => true),
+       array('' => 1, "" => 2, NULL => 3, null => 4, false => 5, true => 6),
+
+       // array with repetative keys
+/*19*/ array("One" => 1, "two" => 2, "One" => 10, "two" => 20, "three" => 3)
+);
+
+// loop through each sub-array within $arrays to check the behavior of array_combine()
+// same arrays are passed to both $keys and $values
+$iterator = 1;
+foreach($arrays as $array) {
+  echo "-- Iteration $iterator --\n";
+  var_dump( array_combine($array, $array) );
+  $iterator++;
+}
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_combine() : Passing different types of arrays to both $keys and $values argument ***
+-- Iteration 1 --
+array(2) {
+  [1]=>
+  int(1)
+  [2]=>
+  int(2)
+}
+-- Iteration 2 --
+array(2) {
+  [1]=>
+  float(1.1)
+  [2]=>
+  float(2.2)
+}
+-- Iteration 3 --
+array(2) {
+  [""]=>
+  bool(false)
+  [1]=>
+  bool(true)
+}
+-- Iteration 4 --
+
+Warning: array_combine(): Both parameters should have at least 1 element in %s on line %d
+bool(false)
+-- Iteration 5 --
+array(1) {
+  [""]=>
+  NULL
+}
+-- Iteration 6 --
+array(6) {
+  ["a"]=>
+  string(3) "a"
+  ["aaaa
+"]=>
+  string(5) "aaaa
+"
+  ["b"]=>
+  string(1) "b"
+  ["b	bbb"]=>
+  string(5) "b	bbb"
+  ["c"]=>
+  string(1) "c"
+  ["\[\]\!\@\#$\%\^\&\*\(\)\{\}"]=>
+  string(27) "\[\]\!\@\#$\%\^\&\*\(\)\{\}"
+}
+-- Iteration 7 --
+array(6) {
+  ["a\v\f"]=>
+  string(5) "a\v\f"
+  ["aaaa\r"]=>
+  string(6) "aaaa\r"
+  ["b"]=>
+  string(1) "b"
+  ["b\tbbb"]=>
+  string(6) "b\tbbb"
+  ["c"]=>
+  string(1) "c"
+  ["\[\]\!\@\#\$\%\^\&\*\(\)\{\}"]=>
+  string(28) "\[\]\!\@\#\$\%\^\&\*\(\)\{\}"
+}
+-- Iteration 8 --
+array(4) {
+  ["
+"]=>
+  string(1) "
+"
+  ["hello world
+The quick brown fox jumped over;
+the lazy dog
+This is a double quoted string"]=>
+  string(88) "hello world
+The quick brown fox jumped over;
+the lazy dog
+This is a double quoted string"
+  ["hello
+ world	
+1111		 != 2222
+heredoc
+double quoted string. withdifferentwhitespaces"]=>
+  string(88) "hello
+ world	
+1111		 != 2222
+heredoc
+double quoted string. withdifferentwhitespaces"
+  ["11 < 12. 123 >22
+'single quoted string'
+"double quoted string"
+2222 != 1111.	 0000 = 0000
+"]=>
+  string(90) "11 < 12. 123 >22
+'single quoted string'
+"double quoted string"
+2222 != 1111.	 0000 = 0000
+"
+}
+-- Iteration 9 --
+array(3) {
+  ["one"]=>
+  string(3) "one"
+  ["two"]=>
+  string(3) "two"
+  ["three"]=>
+  string(5) "three"
+}
+-- Iteration 10 --
+array(3) {
+  [1]=>
+  int(1)
+  [2]=>
+  int(2)
+  [3]=>
+  int(3)
+}
+-- Iteration 11 --
+array(4) {
+  [10]=>
+  int(10)
+  [20]=>
+  int(20)
+  [40]=>
+  int(40)
+  [30]=>
+  int(30)
+}
+-- Iteration 12 --
+array(3) {
+  ["ten"]=>
+  string(3) "ten"
+  ["twenty"]=>
+  string(6) "twenty"
+  ["thirty"]=>
+  string(6) "thirty"
+}
+-- Iteration 13 --
+array(3) {
+  [1]=>
+  int(1)
+  ["two"]=>
+  string(3) "two"
+  ["four"]=>
+  string(4) "four"
+}
+-- Iteration 14 --
+array(2) {
+  ["null"]=>
+  string(4) "null"
+  [""]=>
+  NULL
+}
+-- Iteration 15 --
+array(4) {
+  ["true"]=>
+  string(4) "true"
+  ["false"]=>
+  string(5) "false"
+  [""]=>
+  bool(false)
+  [1]=>
+  bool(true)
+}
+-- Iteration 16 --
+array(2) {
+  ["emptys"]=>
+  string(6) "emptys"
+  [""]=>
+  string(0) ""
+}
+-- Iteration 17 --
+array(2) {
+  [""]=>
+  bool(false)
+  [1]=>
+  bool(true)
+}
+-- Iteration 18 --
+array(3) {
+  [4]=>
+  int(4)
+  [5]=>
+  int(5)
+  [6]=>
+  int(6)
+}
+-- Iteration 19 --
+array(3) {
+  [10]=>
+  int(10)
+  [20]=>
+  int(20)
+  [3]=>
+  int(3)
+}
+Done
diff --git a/ext/standard/tests/array/array_combine_variation4.phpt b/ext/standard/tests/array/array_combine_variation4.phpt
new file mode 100644
index 00000000000..c5294afa809
--- /dev/null
+++ b/ext/standard/tests/array/array_combine_variation4.phpt
@@ -0,0 +1,192 @@
+--TEST--
+Test array_combine() function : usage variations - associative array with different keys
+--FILE--
+<?php
+/* Prototype  : array array_combine(array $keys, array $values)
+ * Description: Creates an array by using the elements of the first parameter as keys
+ *              and the elements of the second as the corresponding values
+ * Source code: ext/standard/array.c
+*/
+
+/*
+ * Testing the functionality of array_combine() by passing different
+ * associative arrays having different possible keys to $keys argument and 
+ * associative arrays having different possible keys to $values argument.
+*/
+
+echo "*** Testing array_combine() : assoc array with diff keys to both \$keys and \$values argument ***\n";
+// get an unset variable
+$unset_var = 10;
+unset ($unset_var);
+
+// get a resource variable
+$fp = fopen(__FILE__, "r");
+
+// get a class
+class classA
+{
+  public function __toString(){
+    return "Class A object";
+  }
+}
+
+// get a heredoc string
+$heredoc = <<<EOT
+Hello world
+EOT;
+
+// different variations of associative arrays to be passed to $arr1 argument
+$arrays = array (
+
+       // empty array
+/*1*/  array(),
+
+       // arrays with integer keys
+       array(0 => "0"),
+       array(1 => "1"),
+       array(1 => "1", 2 => "2", 3 => "3", 4 => "4"),
+
+       // arrays with float keys
+/*5*/  array(2.3333 => "float"),
+       array(1.2 => "f1", 3.33 => "f2",
+             4.89999922839999 => "f3",
+             33333333.333333 => "f4"),
+
+       // arrays with string keys
+/*7*/  array('\tHello' => 111, 're\td' => "color",
+             '\v\fworld' => 2.2, 'pen\n' => 33),
+       array("\tHello" => 111, "re\td" => "color",
+             "\v\fworld" => 2.2, "pen\n" => 33),
+       array("hello", $heredoc => "string"), // heredoc
+
+       // array with object, unset variable and resource variable
+/*10*/ array(new classA() => 11, @$unset_var => "hello", $fp => 'resource'),
+
+       // array with mixed keys
+/*11*/ array('hello' => 1, new classA() => 2, "fruit" => 2.2,
+             $fp => 'resource', 133 => "int", 444.432 => "float",
+             @$unset_var => "unset", $heredoc => "heredoc")
+);
+
+// array to be passsed to $arr2 argument
+$arr2 = array(0 => 0, 2 => "float", 4 => "f3", 33333333 => "f4",
+              "\tHello" => 111, 2.2, 'color', "Hello world" => "string", 
+              "pen\n" => 33, new classA() => 11, 133 => "int");
+
+// loop through each sub-array within $arrays to check the behavior of array_combine()
+// same arrays are passed to both $keys and $values
+$iterator = 1;
+foreach($arrays as $array) {
+  echo "-- Iteration $iterator --\n";
+  var_dump( array_combine($array, $array) );
+  $iterator++;
+}
+
+// close the file resource used
+fclose($fp);
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_combine() : assoc array with diff keys to both $keys and $values argument ***
+
+Warning: Illegal offset type in %s on line %d
+
+Warning: Illegal offset type in %s on line %d
+
+Warning: Illegal offset type in %s on line %d
+
+Warning: Illegal offset type in %s on line %d
+
+Warning: Illegal offset type in %s on line %d
+-- Iteration 1 --
+
+Warning: array_combine(): Both parameters should have at least 1 element in %s on line %d
+bool(false)
+-- Iteration 2 --
+array(1) {
+  [0]=>
+  string(1) "0"
+}
+-- Iteration 3 --
+array(1) {
+  [1]=>
+  string(1) "1"
+}
+-- Iteration 4 --
+array(4) {
+  [1]=>
+  string(1) "1"
+  [2]=>
+  string(1) "2"
+  [3]=>
+  string(1) "3"
+  [4]=>
+  string(1) "4"
+}
+-- Iteration 5 --
+array(1) {
+  ["float"]=>
+  string(5) "float"
+}
+-- Iteration 6 --
+array(4) {
+  ["f1"]=>
+  string(2) "f1"
+  ["f2"]=>
+  string(2) "f2"
+  ["f3"]=>
+  string(2) "f3"
+  ["f4"]=>
+  string(2) "f4"
+}
+-- Iteration 7 --
+array(4) {
+  [111]=>
+  int(111)
+  ["color"]=>
+  string(5) "color"
+  [2]=>
+  float(2.2)
+  [33]=>
+  int(33)
+}
+-- Iteration 8 --
+array(4) {
+  [111]=>
+  int(111)
+  ["color"]=>
+  string(5) "color"
+  [2]=>
+  float(2.2)
+  [33]=>
+  int(33)
+}
+-- Iteration 9 --
+array(2) {
+  ["hello"]=>
+  string(5) "hello"
+  ["string"]=>
+  string(6) "string"
+}
+-- Iteration 10 --
+array(1) {
+  ["hello"]=>
+  string(5) "hello"
+}
+-- Iteration 11 --
+array(6) {
+  [1]=>
+  int(1)
+  [2]=>
+  float(2.2)
+  ["int"]=>
+  string(3) "int"
+  ["float"]=>
+  string(5) "float"
+  ["unset"]=>
+  string(5) "unset"
+  ["heredoc"]=>
+  string(7) "heredoc"
+}
+Done
diff --git a/ext/standard/tests/array/array_combine_variation5.phpt b/ext/standard/tests/array/array_combine_variation5.phpt
new file mode 100644
index 00000000000..b5dafb10159
--- /dev/null
+++ b/ext/standard/tests/array/array_combine_variation5.phpt
@@ -0,0 +1,186 @@
+--TEST--
+Test array_combine() function : usage variations - associative array with different values
+--FILE--
+<?php
+/* Prototype  : array array_combine(array $keys, array $values)
+ * Description: Creates an array by using the elements of the first parameter as keys
+ *              and the elements of the second as the corresponding values
+ * Source code: ext/standard/array.c
+*/
+
+/*
+* Testing the functionality of array_combine() by passing various
+* associative arrays having different possible values to $keys argument and
+* associative arrays having different possible values to $values argument.
+*/
+
+echo "*** Testing array_combine() : assoc array with diff values to both \$keys and \$values argument ***\n";
+
+// get an unset variable
+$unset_var = 10;
+unset ($unset_var);
+
+// get a resource variable
+$fp = fopen(__FILE__, "r");
+
+// get a class
+class classA
+{
+public function __toString(){
+return "Class A object";
+}
+}
+
+// get a heredoc string
+$heredoc = <<<EOT
+Hello world
+EOT;
+
+// different variations of associative array
+$arrays = array (
+
+       // empty array
+/*1*/  array(),
+
+       // arrays with integer values
+       array('0' => 0),
+       array("1" => 1),
+       array("one" => 1, 'two' => 2, "three" => 3, 4 => 4),
+
+       // arrays with float values
+/*5*/  array("float" => 2.3333),
+       array("f1" => 1.2, 'f2' => 3.33, 3 => 4.89999922839999, 'f4' => 33333333.333),
+
+       // arrays with string values
+/*7*/  array(111 => "\tHello", "red" => "col\tor", 2 => "\v\fworld", 3.3 =>  "pen\n"),
+       array(111 => '\tHello', "red" => 'col\tor', 2 => '\v\fworld', 3.3 =>  'pen\n'),
+       array(1 => "hello", "heredoc" => $heredoc),
+
+       // array with object, unset variable and resource variable
+/*10*/ array(11 => new classA(), "unset" => @$unset_var, "resource" => $fp),
+
+       // array with mixed values
+/*11*/ array(1 => 'hello', 2 => new classA(), 222 => "fruit", 
+             'resource' => $fp, "int" => 133, "float" => 444.432, 
+             "unset" => @$unset_var, "heredoc" => $heredoc)
+);
+
+
+// loop through each sub-array within $arrays to check the behavior of array_combine()
+$iterator = 1;
+foreach($arrays as $array) {
+  echo "-- Iteration $iterator --\n";
+  var_dump( array_combine($array, $array) );
+  $iterator++;
+}
+
+// close the file resource used
+fclose($fp);
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_combine() : assoc array with diff values to both $keys and $values argument ***
+-- Iteration 1 --
+
+Warning: array_combine(): Both parameters should have at least 1 element in %s on line %d
+bool(false)
+-- Iteration 2 --
+array(1) {
+  [0]=>
+  int(0)
+}
+-- Iteration 3 --
+array(1) {
+  [1]=>
+  int(1)
+}
+-- Iteration 4 --
+array(4) {
+  [1]=>
+  int(1)
+  [2]=>
+  int(2)
+  [3]=>
+  int(3)
+  [4]=>
+  int(4)
+}
+-- Iteration 5 --
+array(1) {
+  [2]=>
+  float(2.3333)
+}
+-- Iteration 6 --
+array(4) {
+  [1]=>
+  float(1.2)
+  [3]=>
+  float(3.33)
+  [4]=>
+  float(4.8999992284)
+  [33333333]=>
+  float(33333333.333)
+}
+-- Iteration 7 --
+array(4) {
+  ["	Hello"]=>
+  string(6) "	Hello"
+  ["col	or"]=>
+  string(6) "col	or"
+  ["world"]=>
+  string(7) "world"
+  ["pen
+"]=>
+  string(4) "pen
+"
+}
+-- Iteration 8 --
+array(4) {
+  ["\tHello"]=>
+  string(7) "\tHello"
+  ["col\tor"]=>
+  string(7) "col\tor"
+  ["\v\fworld"]=>
+  string(9) "\v\fworld"
+  ["pen\n"]=>
+  string(5) "pen\n"
+}
+-- Iteration 9 --
+array(2) {
+  ["hello"]=>
+  string(5) "hello"
+  ["Hello world"]=>
+  string(11) "Hello world"
+}
+-- Iteration 10 --
+array(3) {
+  ["Class A object"]=>
+  object(classA)#%d (0) {
+  }
+  [""]=>
+  NULL
+  ["Resource id #%d"]=>
+  resource(%d) of type (stream)
+}
+-- Iteration 11 --
+array(8) {
+  ["hello"]=>
+  string(5) "hello"
+  ["Class A object"]=>
+  object(classA)#%d (0) {
+  }
+  ["fruit"]=>
+  string(5) "fruit"
+  ["Resource id #%d"]=>
+  resource(%d) of type (stream)
+  [133]=>
+  int(133)
+  [444]=>
+  float(444.432)
+  [""]=>
+  NULL
+  ["Hello world"]=>
+  string(11) "Hello world"
+}
+Done
diff --git a/ext/standard/tests/array/array_combine_variation6.phpt b/ext/standard/tests/array/array_combine_variation6.phpt
new file mode 100644
index 00000000000..94c7b4d664a
--- /dev/null
+++ b/ext/standard/tests/array/array_combine_variation6.phpt
@@ -0,0 +1,53 @@
+--TEST--
+Test array_combine() function : usage variations - binary safe checking 
+--FILE--
+<?php
+/* Prototype  : array array_combine(array $keys, array $values)
+ * Description: Creates an array by using the elements of the first parameter as keys
+ *              and the elements of the second as the corresponding values
+ * Source code: ext/standard/array.c
+*/
+
+/*
+* Testing the behavior of array_combine() by passing array with 
+* binary values for $keys and $values argument. 
+*/
+
+echo "*** Testing array_combine() : binary safe checking ***\n";
+
+// array with binary values
+$arr_binary = array(b"hello", b"world");
+$arr_normal = array("hello", "world");
+
+// array with binary value for $keys and $values argument
+var_dump( array_combine($arr_binary, $arr_binary) );
+
+// array with binary value for $values argument
+var_dump( array_combine($arr_normal, $arr_binary) );
+
+// array with binary value for $keys argument
+var_dump( array_combine($arr_binary, $arr_normal) );
+
+echo "Done";
+?>
+--EXPECTF--
+*** Testing array_combine() : binary safe checking ***
+array(2) {
+  ["hello"]=>
+  string(5) "hello"
+  ["world"]=>
+  string(5) "world"
+}
+array(2) {
+  ["hello"]=>
+  string(5) "hello"
+  ["world"]=>
+  string(5) "world"
+}
+array(2) {
+  ["hello"]=>
+  string(5) "hello"
+  ["world"]=>
+  string(5) "world"
+}
+Done