New testcases for join() function

ext/standard/tests/strings/join_basic.phpt

@@ -0,0 +1,43 @@
+--TEST--
+Test join() function : basic functionality 
+--FILE--
+<?php
+/* Prototype  : string join( string $glue, array $pieces )
+ * Description: Join array elements with a string
+ * Source code: ext/standard/string.c
+ * Alias of function: implode()
+*/
+
+echo "*** Testing join() : basic functionality ***\n";
+
+// Initialize all required variables
+$glue = ',';
+$pieces = array(1, 2, 3, 4);
+
+// pieces as arry with numeric values
+var_dump( join($glue, $pieces) );
+
+// pieces as array with strings values
+$glue = ", "; // multiple car as glue
+$pieces = array("Red", "Green", "Blue", "Black", "White");
+var_dump( join($glue, $pieces) );
+
+// pices as associative array (numeric values)
+$pieces = array("Hour" => 10, "Minute" => 20, "Second" => 40);
+$glue = ':';
+var_dump( join($glue, $pieces) );
+
+// pices as associative array (string/numeric values)
+$pieces = array("Day" => 'Friday', "Month" => "September", "Year" => 2007);
+$glue = '/';
+var_dump( join($glue, $pieces) );
+
+echo "Done\n";
+?>
+--EXPECTF--
+*** Testing join() : basic functionality ***
+string(7) "1,2,3,4"
+string(30) "Red, Green, Blue, Black, White"
+string(8) "10:20:40"
+string(21) "Friday/September/2007"
+Done

ext/standard/tests/strings/join_error.phpt

@@ -0,0 +1,50 @@
+--TEST--
+Test join() function : error conditions(Bug#42789) 
+--FILE--
+<?php
+/* Prototype  : string join( string $glue, array $pieces )
+ * Description: Join array elements with a string
+ * Source code: ext/standard/string.c
+ * Alias of function: implode()
+*/
+
+echo "*** Testing join() : error conditions ***\n";
+
+// Zero argument
+echo "\n-- Testing join() function with Zero arguments --\n";
+var_dump( join() );
+
+// More than expected number of arguments
+echo "\n-- Testing join() function with more than expected no. of arguments --\n";
+$glue = 'string_val';
+$pieces = array(1, 2);
+$extra_arg = 10;
+
+var_dump( join($glue, $pieces, $extra_arg) );
+
+// Less than expected number of arguments 
+echo "\n-- Testing join() with less than expected no. of arguments --\n";
+$glue = 'string_val';
+ 
+var_dump( join($glue));
+
+echo "Done\n";
+?>
+--EXPECTF--
+*** Testing join() : error conditions ***
+
+-- Testing join() function with Zero arguments --
+
+Warning: Wrong parameter count for join() in %s on line %d
+NULL
+
+-- Testing join() function with more than expected no. of arguments --
+
+Warning: Wrong parameter count for join() in %s on line %d
+NULL
+
+-- Testing join() with less than expected no. of arguments --
+
+Warning: join(): Argument to join must be an array in %s on line %d
+NULL
+Done

ext/standard/tests/strings/join_variation1.phpt

@@ -0,0 +1,167 @@
+--TEST--
+Test join() function : usage variations - unexpected values for 'glue' argument
+--FILE--
+<?php
+/* Prototype  : string join( string $glue, array $pieces )
+ * Description: Join array elements with a string
+ * Source code: ext/standard/string.c
+ * Alias of function: implode()
+*/
+
+/*
+ * testing join() by passing different unexpected value for glue argument
+*/
+
+echo "*** Testing join() : usage variations ***\n";
+// initialize all required variables
+$pieces = array("element1", "element2");
+
+// get an unset variable
+$unset_var = 'string_val';
+unset($unset_var);
+
+// get a resource variable
+$fp = fopen(__FILE__, "r");
+
+// define a class
+class test
+{
+   var $t = 10;
+   function __toString() {
+     return  "testObject";
+   }
+}
+
+// array with different values
+$values =  array (
+
+  // integer values
+  0,
+  1,
+  12345,
+  -2345,
+
+  // float values
+  10.5,
+  -10.5,
+  10.5e10,
+  10.6E-10,
+  .5,
+
+  // array values
+  array(),
+  array(0),
+  array(1),
+  array(1, 2),
+  array('color' => 'red', 'item' => 'pen'),
+
+  // boolean values
+  true,
+  false,
+  TRUE,
+  FALSE,
+
+  // objects
+  new test(),
+
+  // empty string
+  "",
+  '',
+
+  // null vlaues
+  NULL,
+  null,
+  
+  // resource variable
+  $fp,
+
+  // undefined variable
+  @$undefined_var,
+
+  // unset variable
+  @$unset_var
+);
+
+
+// loop through each element of the array and check the working of join()
+// when $glue arugment is supplied with different values
+echo "\n--- Testing join() by supplying different values for 'glue' argument ---\n";
+$counter = 1;
+for($index = 0; $index < count($values); $index ++) {
+  echo "-- Iteration $counter --\n";
+  $glue = $values [$index];
+
+  var_dump( join($glue, $pieces) );
+
+  $counter ++;
+}
+
+echo "Done\n";
+?>
+--EXPECTF--
+*** Testing join() : usage variations ***
+
+--- Testing join() by supplying different values for 'glue' argument ---
+-- Iteration 1 --
+string(17) "element10element2"
+-- Iteration 2 --
+string(17) "element11element2"
+-- Iteration 3 --
+string(21) "element112345element2"
+-- Iteration 4 --
+string(21) "element1-2345element2"
+-- Iteration 5 --
+string(20) "element110.5element2"
+-- Iteration 6 --
+string(21) "element1-10.5element2"
+-- Iteration 7 --
+string(28) "element1105000000000element2"
+-- Iteration 8 --
+string(23) "element11.06E-9element2"
+-- Iteration 9 --
+string(19) "element10.5element2"
+-- Iteration 10 --
+
+Notice: Array to string conversion in %s on line %d
+string(0) ""
+-- Iteration 11 --
+
+Notice: Array to string conversion in %s on line %d
+string(1) "0"
+-- Iteration 12 --
+
+Notice: Array to string conversion in %s on line %d
+string(1) "1"
+-- Iteration 13 --
+
+Notice: Array to string conversion in %s on line %d
+string(7) "1Array2"
+-- Iteration 14 --
+
+Notice: Array to string conversion in %s on line %d
+string(11) "redArraypen"
+-- Iteration 15 --
+string(17) "element11element2"
+-- Iteration 16 --
+string(16) "element1element2"
+-- Iteration 17 --
+string(17) "element11element2"
+-- Iteration 18 --
+string(16) "element1element2"
+-- Iteration 19 --
+string(26) "element1testObjectelement2"
+-- Iteration 20 --
+string(16) "element1element2"
+-- Iteration 21 --
+string(16) "element1element2"
+-- Iteration 22 --
+string(16) "element1element2"
+-- Iteration 23 --
+string(16) "element1element2"
+-- Iteration 24 --
+string(30) "element1Resource id #%delement2"
+-- Iteration 25 --
+string(16) "element1element2"
+-- Iteration 26 --
+string(16) "element1element2"
+Done

ext/standard/tests/strings/join_variation2.phpt

@@ -0,0 +1,198 @@
+--TEST--
+Test join() function : usage variations - unexpected values for 'pieces' argument(Bug#42789)
+--FILE--
+<?php
+/* Prototype  : string join( string $glue, array $pieces )
+ * Description: Join array elements with a string
+ * Source code: ext/standard/string.c
+ * Alias of function: implode()
+*/
+
+/*
+ * test join() by passing different unexpected value for pieces argument
+*/
+
+echo "*** Testing join() : usage variations ***\n";
+// initialize all required variables
+$glue = '::';
+
+// get an unset variable
+$unset_var = array(1, 2);
+unset($unset_var);
+
+// get a resouce variable
+$fp = fopen(__FILE__, "r");
+
+// define a class
+class test
+{
+  var $t = 10;
+  var $p = 10;
+  function __toString() {
+    return "testObject";
+  }
+}
+
+// array with different values
+$values =  array (
+
+  // integer values
+  0,
+  1,
+  12345,
+  -2345,
+
+  // float values
+  10.5,
+  -10.5,
+  10.5e10,
+  10.6E-10,
+  .5,
+
+  // boolean values
+  true,
+  false,
+  TRUE,
+  FALSE,
+
+  // string values
+  "string",
+  'string',
+
+  // objects
+  new test(),
+
+  // empty string
+  "",
+  '',
+
+  // null vlaues
+  NULL,
+  null,
+
+  // resource variable
+  $fp,
+ 
+  // undefined variable
+  @$undefined_var,
+
+  // unset variable
+  @$unset_var
+);
+
+
+// loop through each element of the array and check the working of join()
+// when $pieces arugment is supplied with different values
+echo "\n--- Testing join() by supplying different values for 'pieces' argument ---\n";
+$counter = 1;
+for($index = 0; $index < count($values); $index ++) {
+  echo "-- Iteration $counter --\n";
+  $pieces = $values [$index];
+
+  var_dump( join($glue, $pieces) );
+
+  $counter ++;
+}
+
+// close the resources used
+fclose($fp);
+
+echo "Done\n";
+?>
+--EXPECTF--
+*** Testing join() : usage variations ***
+
+--- Testing join() by supplying different values for 'pieces' argument ---
+-- Iteration 1 --
+
+Warning: join(): Bad arguments in %s on line %d
+NULL
+-- Iteration 2 --
+
+Warning: join(): Bad arguments in %s on line %d
+NULL
+-- Iteration 3 --
+
+Warning: join(): Bad arguments in %s on line %d
+NULL
+-- Iteration 4 --
+
+Warning: join(): Bad arguments in %s on line %d
+NULL
+-- Iteration 5 --
+
+Warning: join(): Bad arguments in %s on line %d
+NULL
+-- Iteration 6 --
+
+Warning: join(): Bad arguments in %s on line %d
+NULL
+-- Iteration 7 --
+
+Warning: join(): Bad arguments in %s on line %d
+NULL
+-- Iteration 8 --
+
+Warning: join(): Bad arguments in %s on line %d
+NULL
+-- Iteration 9 --
+
+Warning: join(): Bad arguments in %s on line %d
+NULL
+-- Iteration 10 --
+
+Warning: join(): Bad arguments in %s on line %d
+NULL
+-- Iteration 11 --
+
+Warning: join(): Bad arguments in %s on line %d
+NULL
+-- Iteration 12 --
+
+Warning: join(): Bad arguments in %s on line %d
+NULL
+-- Iteration 13 --
+
+Warning: join(): Bad arguments in %s on line %d
+NULL
+-- Iteration 14 --
+
+Warning: join(): Bad arguments in %s on line %d
+NULL
+-- Iteration 15 --
+
+Warning: join(): Bad arguments in %s on line %d
+NULL
+-- Iteration 16 --
+
+Warning: join(): Bad arguments in %s on line %d
+NULL
+-- Iteration 17 --
+
+Warning: join(): Bad arguments in %s on line %d
+NULL
+-- Iteration 18 --
+
+Warning: join(): Bad arguments in %s on line %d
+NULL
+-- Iteration 19 --
+
+Warning: join(): Bad arguments in %s on line %d
+NULL
+-- Iteration 20 --
+
+Warning: join(): Bad arguments in %s on line %d
+NULL
+-- Iteration 21 --
+
+Warning: join(): Bad arguments in %s on line %d
+NULL
+-- Iteration 22 --
+
+Warning: join(): Bad arguments in %s on line %d
+NULL
+-- Iteration 23 --
+
+Warning: join(): Bad arguments in %s on line %d
+NULL
+Done

ext/standard/tests/strings/join_variation3.phpt

@@ -0,0 +1,99 @@
+--TEST--
+Test join() function : usage variations - different values for 'pieces' argument
+--FILE--
+<?php
+/* Prototype  : string join( string $glue, array $pieces )
+ * Description: Join array elements with a string
+ * Source code: ext/standard/string.c
+ * Alias of function: implode()
+*/
+
+/*
+ * test join() by giving different pieces values 
+*/
+
+echo "*** Testing join() : usage variations ***\n";
+
+$pieces_arrays = array (
+  array(1, 2), // array with default keys and numrice values
+  array(1.1, 2.2), // array with default keys & float values
+  array( array(2), array(1)), // sub arrays
+  array(false,true), // array with default keys and boolean values
+  array(), // empty array
+  array(NULL), // array with NULL
+  array("a","aaaa","b","bbbb","c","ccccc"),
+  
+  // associative arrays
+  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
+  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
+  array("One" => 1, "two" => 2, "One" => 10, "two" => 20, "three" => 3)
+);
+
+// a multichar glue value
+$glue = "], [";
+
+// loop through each $pieces_arrays element and call join() 
+$iteration = 1;
+for($index = 0; $index < count($pieces_arrays); $index ++) {
+  echo "-- Iteration $iteration --\n";
+  var_dump( join($glue, $pieces_arrays[$index]) );
+  $iteration ++;
+}
+ 
+echo "Done\n";
+?>
+--EXPECTF--
+*** Testing join() : usage variations ***
+-- Iteration 1 --
+string(6) "1], [2"
+-- Iteration 2 --
+string(10) "1.1], [2.2"
+-- Iteration 3 --
+
+Notice: Array to string conversion in %s on line %d
+
+Notice: Array to string conversion in %s on line %d
+string(14) "Array], [Array"
+-- Iteration 4 --
+string(5) "], [1"
+-- Iteration 5 --
+string(0) ""
+-- Iteration 6 --
+string(0) ""
+-- Iteration 7 --
+string(36) "a], [aaaa], [b], [bbbb], [c], [ccccc"
+-- Iteration 8 --
+string(19) "one], [two], [three"
+-- Iteration 9 --
+string(11) "1], [2], [3"
+-- Iteration 10 --
+string(20) "10], [20], [40], [30"
+-- Iteration 11 --
+string(23) "ten], [twenty], [thirty"
+-- Iteration 12 --
+string(16) "1], [two], [four"
+-- Iteration 13 --
+string(12) "null], [], ["
+-- Iteration 14 --
+string(22) "true], [false], [], [1"
+-- Iteration 15 --
+string(14) "emptys], [], ["
+-- Iteration 16 --
+string(21) "], [], [], [], [], [1"
+-- Iteration 17 --
+string(11) "4], [5], [6"
+-- Iteration 18 --
+string(13) "10], [20], [3"
+Done

ext/standard/tests/strings/join_variation5.phpt

@@ -0,0 +1,50 @@
+--TEST--
+Test join() function : usage variations - sub array as argument 
+--FILE--
+<?php
+/* Prototype  : string join( string $glue, array $pieces )
+ * Description: Join array elements with a string
+ * Source code: ext/standard/string.c
+ * Alias of function: implode()
+*/
+
+/*
+ * test join() by passing pieces as array containing sub array(s)
+*/
+
+echo "*** Testing implode() : usage variations - sub arrays ***\n";
+$sub_array = array(array(1,2,3,4), array(1 => "one", 2 => "two"), "PHP", 50);
+
+// pieces as array containing sub array
+var_dump( join("TEST", $sub_array) );
+
+// glue as array & pieces as array containing sub array
+var_dump( join(array(1, 2, 3, 4), $sub_array) );
+
+// numeric value as glue, pieces as array containg sub array
+var_dump( join(2, $sub_array) );
+
+// using directly the sub_array as pieces
+var_dump( join(", ", $sub_array[0]) );
+var_dump( join(", ", $sub_array[1]) );
+
+echo "Done\n";
+?>
+--EXPECTF--
+*** Testing implode() : usage variations - sub arrays ***
+
+Notice: Array to string conversion in %s on line %d
+
+Notice: Array to string conversion in %s on line %d
+string(27) "ArrayTESTArrayTESTPHPTEST50"
+
+Notice: Array to string conversion in %s on line %d
+string(19) "1Array2Array3Array4"
+
+Notice: Array to string conversion in %s on line %d
+
+Notice: Array to string conversion in %s on line %d
+string(18) "Array2Array2PHP250"
+string(10) "1, 2, 3, 4"
+string(8) "one, two"
+Done