From 4786d297ad72306c0c1d25b464c9de024fd965a8 Mon Sep 17 00:00:00 2001
From: andy wharmby <wharmby@php.net>
Date: Sun, 18 Jan 2009 14:40:25 +0000
Subject: [PATCH] New sscanf() tests. Tested on Windows. Linux and Linux 64 bit

---
 ext/standard/tests/strings/sscanf_basic1.phpt |  44 +++++
 ext/standard/tests/strings/sscanf_basic2.phpt |  44 +++++
 ext/standard/tests/strings/sscanf_basic3.phpt |  43 +++++
 ext/standard/tests/strings/sscanf_basic4.phpt |  43 +++++
 ext/standard/tests/strings/sscanf_basic5.phpt |  58 ++++++
 ext/standard/tests/strings/sscanf_basic6.phpt |  47 +++++
 ext/standard/tests/strings/sscanf_basic7.phpt |  47 +++++
 ext/standard/tests/strings/sscanf_basic8.phpt |  65 +++++++
 ext/standard/tests/strings/sscanf_error.phpt  |  44 +++++
 .../tests/strings/sscanf_variation1.phpt      | 169 ++++++++++++++++++
 .../tests/strings/sscanf_variation2.phpt      | 153 ++++++++++++++++
 11 files changed, 757 insertions(+)
 create mode 100644 ext/standard/tests/strings/sscanf_basic1.phpt
 create mode 100644 ext/standard/tests/strings/sscanf_basic2.phpt
 create mode 100644 ext/standard/tests/strings/sscanf_basic3.phpt
 create mode 100644 ext/standard/tests/strings/sscanf_basic4.phpt
 create mode 100644 ext/standard/tests/strings/sscanf_basic5.phpt
 create mode 100644 ext/standard/tests/strings/sscanf_basic6.phpt
 create mode 100644 ext/standard/tests/strings/sscanf_basic7.phpt
 create mode 100644 ext/standard/tests/strings/sscanf_basic8.phpt
 create mode 100644 ext/standard/tests/strings/sscanf_error.phpt
 create mode 100644 ext/standard/tests/strings/sscanf_variation1.phpt
 create mode 100644 ext/standard/tests/strings/sscanf_variation2.phpt

diff --git a/ext/standard/tests/strings/sscanf_basic1.phpt b/ext/standard/tests/strings/sscanf_basic1.phpt
new file mode 100644
index 0000000000..eb5d8c7de5
--- /dev/null
+++ b/ext/standard/tests/strings/sscanf_basic1.phpt
@@ -0,0 +1,44 @@
+--TEST--
+Test sscanf() function : basic functionality - string format
+--FILE--
+<?php
+/* Prototype  : mixed sscanf  ( string $str  , string $format  [, mixed &$...  ] )
+ * Description: Parses input from a string according to a format
+ * Source code: ext/standard/string.c
+*/
+
+/*
+ * Testing sscanf() : basic functionality
+*/
+
+echo "*** Testing sscanf() : basic functionality - using string format ***\n";
+
+$str = "Part: Widget Serial Number: 1234789 Stock: 25";
+$format = "Part: %s Serial Number: %s Stock: %s";
+
+echo "\n-- Try sccanf() WITHOUT optional args --\n"; 
+// extract details using short format
+list($part, $number, $stock) = sscanf($str, $format);
+var_dump($part, $number, $stock);
+
+echo "\n-- Try sccanf() WITH optional args --\n"; 
+// extract details using long  format
+$res = sscanf($str, $format, $part, $number, $stock);
+var_dump($res, $part, $number, $stock); 
+
+?>
+===DONE===
+--EXPECT--
+*** Testing sscanf() : basic functionality - using string format ***
+
+-- Try sccanf() WITHOUT optional args --
+unicode(6) "Widget"
+unicode(7) "1234789"
+unicode(2) "25"
+
+-- Try sccanf() WITH optional args --
+int(3)
+unicode(6) "Widget"
+unicode(7) "1234789"
+unicode(2) "25"
+===DONE===
diff --git a/ext/standard/tests/strings/sscanf_basic2.phpt b/ext/standard/tests/strings/sscanf_basic2.phpt
new file mode 100644
index 0000000000..add410e3dc
--- /dev/null
+++ b/ext/standard/tests/strings/sscanf_basic2.phpt
@@ -0,0 +1,44 @@
+--TEST--
+Test sscanf() function : basic functionality - integer format
+--FILE--
+<?php
+/* Prototype  : mixed sscanf  ( string $str  , string $format  [, mixed &$...  ] )
+ * Description: Parses input from a string according to a format
+ * Source code: ext/standard/string.c
+*/
+
+/*
+ * Testing sscanf() : basic functionality
+*/
+
+echo "*** Testing sscanf() : basic functionality - using integer format ***\n";
+
+$str = "Part: Widget Serial Number: 1234789 Stock: 25";
+$format = "Part: %s Serial Number: %d Stock: %d";
+
+echo "\n-- Try sccanf() WITHOUT optional args --\n"; 
+// extract details using short format
+list($part, $number, $stock) = sscanf($str, $format);
+var_dump($part, $number, $stock);
+
+echo "\n-- Try sccanf() WITH optional args --\n"; 
+// extract details using long  format
+$res = sscanf($str, $format, $part, $number, $stock);
+var_dump($res, $part, $number, $stock); 
+
+?>
+===DONE===
+--EXPECT--
+*** Testing sscanf() : basic functionality - using integer format ***
+
+-- Try sccanf() WITHOUT optional args --
+unicode(6) "Widget"
+int(1234789)
+int(25)
+
+-- Try sccanf() WITH optional args --
+int(3)
+unicode(6) "Widget"
+int(1234789)
+int(25)
+===DONE===
diff --git a/ext/standard/tests/strings/sscanf_basic3.phpt b/ext/standard/tests/strings/sscanf_basic3.phpt
new file mode 100644
index 0000000000..3f1aaa067e
--- /dev/null
+++ b/ext/standard/tests/strings/sscanf_basic3.phpt
@@ -0,0 +1,43 @@
+--TEST--
+Test sscanf() function : basic functionality - float format
+--FILE--
+<?php
+
+/* Prototype  : mixed sscanf  ( string $str  , string $format  [, mixed &$...  ] )
+ * Description: Parses input from a string according to a format
+ * Source code: ext/standard/string.c
+*/
+
+echo "*** Testing sscanf() : basic functionality -- using float format ***\n";
+
+$str = "Part: Widget Length: 111.53 Width: 22.345 Depth: 12.4";
+$format = "Part: %s Length: %f Width: %f Depth: %f";
+
+echo "\n-- Try sccanf() WITHOUT optional args --\n"; 
+// extract details using short format
+list($part, $length, $width, $depth) = sscanf($str, $format);
+var_dump($part, $length, $width, $depth);
+
+echo "\n-- Try sccanf() WITH optional args --\n"; 
+// extract details using long  format
+$res = sscanf($str, $format, $part, $length, $width, $depth);
+var_dump($res, $part, $length, $width, $depth); 
+
+?>
+===DONE===
+--EXPECT--
+*** Testing sscanf() : basic functionality -- using float format ***
+
+-- Try sccanf() WITHOUT optional args --
+unicode(6) "Widget"
+float(111.53)
+float(22.345)
+float(12.4)
+
+-- Try sccanf() WITH optional args --
+int(4)
+unicode(6) "Widget"
+float(111.53)
+float(22.345)
+float(12.4)
+===DONE===
diff --git a/ext/standard/tests/strings/sscanf_basic4.phpt b/ext/standard/tests/strings/sscanf_basic4.phpt
new file mode 100644
index 0000000000..43649c2df7
--- /dev/null
+++ b/ext/standard/tests/strings/sscanf_basic4.phpt
@@ -0,0 +1,43 @@
+--TEST--
+Test sscanf() function : basic functionality - char format
+--FILE--
+<?php
+
+/* Prototype  : mixed sscanf  ( string $str  , string $format  [, mixed &$...  ] )
+ * Description: Parses input from a string according to a format
+ * Source code: ext/standard/string.c
+*/
+
+echo "*** Testing sscanf() : basic functionality - using char format ***\n";
+
+$str = "X = A + B - C";
+$format = "%c = %c + %c - %c";
+
+echo "\n-- Try sccanf() WITHOUT optional args --\n"; 
+// extract details using short format
+list($arg1, $arg2, $arg3, $arg4) = sscanf($str, $format);
+var_dump($arg1, $arg2, $arg3, $arg4);
+
+echo "\n-- Try sccanf() WITH optional args --\n"; 
+// extract details using long  format
+$res = sscanf($str, $format, $arg1, $arg2, $arg3, $arg4);
+var_dump($res, $arg1, $arg2, $arg3, $arg4); 
+
+?>
+===DONE===
+--EXPECT--
+*** Testing sscanf() : basic functionality - using char format ***
+
+-- Try sccanf() WITHOUT optional args --
+unicode(1) "X"
+unicode(1) "A"
+unicode(1) "B"
+unicode(1) "C"
+
+-- Try sccanf() WITH optional args --
+int(4)
+unicode(1) "X"
+unicode(1) "A"
+unicode(1) "B"
+unicode(1) "C"
+===DONE===
\ No newline at end of file
diff --git a/ext/standard/tests/strings/sscanf_basic5.phpt b/ext/standard/tests/strings/sscanf_basic5.phpt
new file mode 100644
index 0000000000..5dbbf44813
--- /dev/null
+++ b/ext/standard/tests/strings/sscanf_basic5.phpt
@@ -0,0 +1,58 @@
+--TEST--
+Test sscanf() function : basic functionality - exponential format
+--FILE--
+<?php
+
+/* Prototype  : mixed sscanf  ( string $str  , string $format  [, mixed &$...  ] )
+ * Description: Parses input from a string according to a format
+ * Source code: ext/standard/string.c
+*/
+
+echo "*** Testing sscanf() : basic functionality -using exponential format ***\n";
+
+$str = "10.12345 10.12345E3 10.12345e3 -10.12345e4" ;
+$format1 = "%e %e %e %e";
+$format2 = "%E %E %E %E";
+
+echo "\n-- Try sccanf() WITHOUT optional args --\n"; 
+// extract details using short format
+list($arg1, $arg2, $arg3, $arg4) = sscanf($str, $format1);
+var_dump($arg1, $arg2, $arg3, $arg4);
+list($arg1, $arg2, $arg3, $arg4) = sscanf($str, $format2);
+var_dump($arg1, $arg2, $arg3, $arg4);
+
+echo "\n-- Try sccanf() WITH optional args --\n"; 
+// extract details using long  format
+$res = sscanf($str, $format1, $arg1, $arg2, $arg3, $arg4);
+var_dump($res, $arg1, $arg2, $arg3, $arg4); 
+$res = sscanf($str, $format2,$arg1, $arg2, $arg3, $arg4);
+var_dump($res, $arg1, $arg2, $arg3, $arg4); 
+
+
+?>
+===DONE===
+--EXPECT--
+*** Testing sscanf() : basic functionality -using exponential format ***
+
+-- Try sccanf() WITHOUT optional args --
+float(10.12345)
+float(10123.45)
+float(10123.45)
+float(-101234.5)
+float(10.12345)
+float(10123.45)
+float(10123.45)
+float(-101234.5)
+
+-- Try sccanf() WITH optional args --
+int(4)
+float(10.12345)
+float(10123.45)
+float(10123.45)
+float(-101234.5)
+int(4)
+float(10.12345)
+float(10123.45)
+float(10123.45)
+float(-101234.5)
+===DONE===
diff --git a/ext/standard/tests/strings/sscanf_basic6.phpt b/ext/standard/tests/strings/sscanf_basic6.phpt
new file mode 100644
index 0000000000..1addcf3c9d
--- /dev/null
+++ b/ext/standard/tests/strings/sscanf_basic6.phpt
@@ -0,0 +1,47 @@
+--TEST--
+Test sscanf() function : basic functionality - unsigned format
+--FILE--
+<?php
+
+/* Prototype  : mixed sscanf  ( string $str  , string $format  [, mixed &$...  ] )
+ * Description: Parses input from a string according to a format
+ * Source code: ext/standard/string.c
+*/
+
+echo "*** Testing sscanf() : basic functionality - using unsigned format ***\n";
+
+$str = "-11 +11 11 -11.234 +11.234 11.234";
+$format = "%u %u %u %u %u %u";
+
+echo "\n-- Try sccanf() WITHOUT optional args --\n"; 
+// extract details using short format
+list($arg1, $arg2, $arg3, $arg4, $arg5, $arg6) = sscanf($str, $format);
+var_dump($arg1, $arg2, $arg3, $arg4, $arg5, $arg6);
+
+echo "\n-- Try sccanf() WITH optional args --\n"; 
+// extract details using long  format
+$res = sscanf($str, $format, $arg1, $arg2, $arg3, $arg4, $arg5, $arg6);
+var_dump($res, $arg1, $arg2, $arg3, $arg4, $arg5, $arg6); 
+
+?>
+===DONE===
+--EXPECT--
+*** Testing sscanf() : basic functionality - using unsigned format ***
+
+-- Try sccanf() WITHOUT optional args --
+unicode(10) "4294967285"
+int(11)
+int(11)
+unicode(10) "4294967285"
+NULL
+NULL
+
+-- Try sccanf() WITH optional args --
+int(4)
+unicode(10) "4294967285"
+int(11)
+int(11)
+unicode(10) "4294967285"
+NULL
+NULL
+===DONE===
diff --git a/ext/standard/tests/strings/sscanf_basic7.phpt b/ext/standard/tests/strings/sscanf_basic7.phpt
new file mode 100644
index 0000000000..1d54054d4b
--- /dev/null
+++ b/ext/standard/tests/strings/sscanf_basic7.phpt
@@ -0,0 +1,47 @@
+--TEST--
+Test sscanf() function : basic functionality - octal format
+--FILE--
+<?php
+
+/* Prototype  : mixed sscanf  ( string $str  , string $format  [, mixed &$...  ] )
+ * Description: Parses input from a string according to a format
+ * Source code: ext/standard/string.c
+*/
+
+echo "*** Testing sscanf() : basic functionality - using octal format ***\n";
+
+$str = "0123 -0123 +0123 0129 -0129 +0129";
+$format = "%o %o %o %o %o %o";
+
+echo "\n-- Try sccanf() WITHOUT optional args --\n"; 
+// extract details using short format
+list($arg1, $arg2, $arg3, $arg4, $arg5, $arg6) = sscanf($str, $format);
+var_dump($arg1, $arg2, $arg3, $arg4, $arg5, $arg6);
+
+echo "\n-- Try sccanf() WITH optional args --\n"; 
+// extract details using long  format
+$res = sscanf($str, $format, $arg1, $arg2, $arg3, $arg4, $arg5, $arg6);
+var_dump($res, $arg1, $arg2, $arg3, $arg4, $arg5, $arg6); 
+
+?>
+===DONE===
+--EXPECT--
+*** Testing sscanf() : basic functionality - using octal format ***
+
+-- Try sccanf() WITHOUT optional args --
+int(83)
+int(-83)
+int(83)
+int(10)
+NULL
+NULL
+
+-- Try sccanf() WITH optional args --
+int(4)
+int(83)
+int(-83)
+int(83)
+int(10)
+NULL
+NULL
+===DONE===
diff --git a/ext/standard/tests/strings/sscanf_basic8.phpt b/ext/standard/tests/strings/sscanf_basic8.phpt
new file mode 100644
index 0000000000..4773f026af
--- /dev/null
+++ b/ext/standard/tests/strings/sscanf_basic8.phpt
@@ -0,0 +1,65 @@
+--TEST--
+Test sscanf() function : basic functionality - hexadecimal format
+--FILE--
+<?php
+
+/* Prototype  : mixed sscanf  ( string $str  , string $format  [, mixed &$...  ] )
+ * Description: Parses input from a string according to a format
+ * Source code: ext/standard/string.c
+*/
+
+echo "*** Testing sscanf() : basic functionality - - using hexadecimal format ***\n";
+
+$str = "129 12F 123B -123B 01ABC 1G";
+$format1 = "%x %x %x %x %x %x";
+$format2 = "%X %X %X %X %X %X";
+
+echo "\n-- Try sccanf() WITHOUT optional args --\n"; 
+// extract details using short format
+list($arg1, $arg2, $arg3, $arg4, $arg5, $arg6) = sscanf($str, $format1);
+var_dump($arg1, $arg2, $arg3, $arg4, $arg5, $arg6);
+list($arg1, $arg2, $arg3, $arg4, $arg5, $arg6) = sscanf($str, $format2);
+var_dump($arg1, $arg2, $arg3, $arg4, $arg5, $arg6);
+
+echo "\n-- Try sccanf() WITH optional args --\n"; 
+// extract details using long  format
+$res = sscanf($str, $format1, $arg1, $arg2, $arg3, $arg4, $arg5, $arg6);
+var_dump($res, $arg1, $arg2, $arg3, $arg4, $arg5, $arg6); 
+$res = sscanf($str, $format2, $arg1, $arg2, $arg3, $arg4, $arg5, $arg6);
+var_dump($res, $arg1, $arg2, $arg3, $arg4, $arg5, $arg6); 
+
+?>
+===DONE===
+--EXPECT--
+*** Testing sscanf() : basic functionality - - using hexadecimal format ***
+
+-- Try sccanf() WITHOUT optional args --
+int(297)
+int(303)
+int(4667)
+int(-4667)
+int(6844)
+int(1)
+int(297)
+int(303)
+int(4667)
+int(-4667)
+int(6844)
+int(1)
+
+-- Try sccanf() WITH optional args --
+int(6)
+int(297)
+int(303)
+int(4667)
+int(-4667)
+int(6844)
+int(1)
+int(6)
+int(297)
+int(303)
+int(4667)
+int(-4667)
+int(6844)
+int(1)
+===DONE===
\ No newline at end of file
diff --git a/ext/standard/tests/strings/sscanf_error.phpt b/ext/standard/tests/strings/sscanf_error.phpt
new file mode 100644
index 0000000000..8d883a1f92
--- /dev/null
+++ b/ext/standard/tests/strings/sscanf_error.phpt
@@ -0,0 +1,44 @@
+--TEST--
+Test sscanf() function : error conditions 
+--FILE--
+<?php
+
+/* Prototype  : mixed sscanf  ( string $str  , string $format  [, mixed &$...  ] )
+ * Description: Parses input from a string according to a format
+ * Source code: ext/standard/string.c
+*/
+echo "*** Testing sscanf() : error conditions ***\n";
+
+$str = "Hello World";
+$format = "%s %s";
+
+echo "\n-- Testing sscanf() function with no arguments --\n";
+var_dump( sscanf() );
+
+echo "\n-- Testing sscanf() function with one argument --\n";
+var_dump( sscanf($str) );
+
+echo "\n-- Testing sscanf() function with more than expected no. of arguments --\n";
+
+var_dump( sscanf($str, $format, $str1, $str2, $extra_str) );
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing sscanf() : error conditions ***
+
+-- Testing sscanf() function with no arguments --
+
+Warning: sscanf() expects at least 2 parameters, 0 given in %s on line %d
+NULL
+
+-- Testing sscanf() function with one argument --
+
+Warning: sscanf() expects at least 2 parameters, 1 given in %s on line %d
+NULL
+
+-- Testing sscanf() function with more than expected no. of arguments --
+
+Warning: sscanf(): Variable is not assigned by any conversion specifiers in %s on line %d
+int(-1)
+===DONE===
\ No newline at end of file
diff --git a/ext/standard/tests/strings/sscanf_variation1.phpt b/ext/standard/tests/strings/sscanf_variation1.phpt
new file mode 100644
index 0000000000..5597de740c
--- /dev/null
+++ b/ext/standard/tests/strings/sscanf_variation1.phpt
@@ -0,0 +1,169 @@
+--TEST--
+Test sscanf() function : usage variations - unexpected inputs for '$str' argument
+--FILE--
+<?php
+/* Prototype  : mixed sscanf  ( string $str  , string $format  [, mixed &$...  ] )
+ * Description: Parses input from a string according to a format
+ * Source code: ext/standard/string.c
+*/
+
+echo "*** Testing sscanf() function: with unexpected inputs for 'str' argument ***\n";
+
+//get an unset variable
+$unset_var = 'string_val';
+unset($unset_var);
+
+//defining a class
+class sample  {
+  public function __toString() {
+    return "sample object";
+  } 
+}
+
+//getting the resource
+$file_handle = fopen(__FILE__, "r");
+
+// array with different values for $input
+$inputs =  array (
+
+		  // integer values
+/*1*/	  0,
+		  1,
+		  -2,
+	      2147483647,
+		  -2147483648,
+		
+		  // float values
+/*6*/	  10.5,
+		  -20.5,
+		  10.1234567e10,
+		
+		  // array values
+/*9*/	  array(),
+		  array(0),
+		  array(1, 2),
+		
+		  // boolean values
+/*12*/	  true,
+		  false,
+		  TRUE,
+		  FALSE,
+		
+		  // null values
+/*16*/	  NULL,
+		  null,
+		
+		  // objects
+/*18*/	  new sample(),
+		
+		  // resource
+/*19*/	  $file_handle,
+		
+		  // undefined variable
+/*20*/	  @$undefined_var,
+		
+		  // unset variable
+/*21*/	  @$unset_var
+);
+
+//defining '$pad_length' argument
+$format = "%s";
+
+// loop through with each element of the $inputs array to test sscanf() function
+$count = 1;
+foreach($inputs as $input) {
+  echo "-- Iteration $count --\n";
+  var_dump( sscanf($input, $format) );
+  $count ++;
+}
+
+fclose($file_handle);  //closing the file handle
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing sscanf() function: with unexpected inputs for 'str' argument ***
+-- Iteration 1 --
+array(1) {
+  [0]=>
+  unicode(1) "0"
+}
+-- Iteration 2 --
+array(1) {
+  [0]=>
+  unicode(1) "1"
+}
+-- Iteration 3 --
+array(1) {
+  [0]=>
+  unicode(2) "-2"
+}
+-- Iteration 4 --
+array(1) {
+  [0]=>
+  unicode(10) "2147483647"
+}
+-- Iteration 5 --
+array(1) {
+  [0]=>
+  unicode(11) "-2147483648"
+}
+-- Iteration 6 --
+array(1) {
+  [0]=>
+  unicode(4) "10.5"
+}
+-- Iteration 7 --
+array(1) {
+  [0]=>
+  unicode(5) "-20.5"
+}
+-- Iteration 8 --
+array(1) {
+  [0]=>
+  unicode(12) "101234567000"
+}
+-- Iteration 9 --
+
+Warning: sscanf() expects parameter 1 to be string (Unicode or binary), array given in %s on line %d
+NULL
+-- Iteration 10 --
+
+Warning: sscanf() expects parameter 1 to be string (Unicode or binary), array given in %s on line %d
+NULL
+-- Iteration 11 --
+
+Warning: sscanf() expects parameter 1 to be string (Unicode or binary), array given in %s on line %d
+NULL
+-- Iteration 12 --
+array(1) {
+  [0]=>
+  unicode(1) "1"
+}
+-- Iteration 13 --
+NULL
+-- Iteration 14 --
+array(1) {
+  [0]=>
+  unicode(1) "1"
+}
+-- Iteration 15 --
+NULL
+-- Iteration 16 --
+NULL
+-- Iteration 17 --
+NULL
+-- Iteration 18 --
+array(1) {
+  [0]=>
+  unicode(6) "sample"
+}
+-- Iteration 19 --
+
+Warning: sscanf() expects parameter 1 to be string (Unicode or binary), resource given in %s on line %d
+NULL
+-- Iteration 20 --
+NULL
+-- Iteration 21 --
+NULL
+===DONE===
\ No newline at end of file
diff --git a/ext/standard/tests/strings/sscanf_variation2.phpt b/ext/standard/tests/strings/sscanf_variation2.phpt
new file mode 100644
index 0000000000..a196a77bee
--- /dev/null
+++ b/ext/standard/tests/strings/sscanf_variation2.phpt
@@ -0,0 +1,153 @@
+--TEST--
+Test sscanf() function : usage variations - unexpected inputs for '$format' argument
+--FILE--
+<?php
+/* Prototype  : mixed sscanf  ( string $str  , string $format  [, mixed &$...  ] )
+ * Description: Parses input from a string according to a format
+ * Source code: ext/standard/string.c
+*/
+
+echo "*** Testing sscanf() function: with unexpected inputs for 'format' argument ***\n";
+
+//get an unset variable
+$unset_var = 'string_val';
+unset($unset_var);
+
+//defining a class
+class sample  {
+  public function __toString() {
+    return "sample object";
+  } 
+}
+
+//getting the resource
+$file_handle = fopen(__FILE__, "r");
+
+// array with different values for $input
+$inputs =  array (
+
+		  // integer values
+/*1*/	  0,
+		  1,
+		  -2,
+ 		  2147483647,
+		  -2147483648,
+		  
+		  // float values
+/*6*/	  10.5,
+		  -20.5,
+		  10.1234567e10,
+		
+		  // array values
+/*9*/	  array(),
+		  array(0),
+		  array(1, 2),
+		
+		  // boolean values
+/*12*/	  true,
+		  false,
+		  TRUE,
+		  FALSE,
+		
+		  // null values
+/*16*/	  NULL,
+		  null,
+		
+		  // objects
+/*18*/	  new sample(),
+		
+		  // resource
+/*19*/	  $file_handle,
+		
+		  // undefined variable
+/*20*/	  @$undefined_var,
+		
+		  // unset variable
+/*21*/	  @$unset_var
+);
+
+//defining '$pad_length' argument
+$str = "Hello World";
+
+// loop through with each element of the $inputs array to test sscanf() function
+$count = 1;
+foreach($inputs as $input) {
+  echo "-- Iteration $count --\n";
+  var_dump( sscanf($str, $input) );
+  $count ++;
+}
+
+fclose($file_handle);  //closing the file handle
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing sscanf() function: with unexpected inputs for 'format' argument ***
+-- Iteration 1 --
+array(0) {
+}
+-- Iteration 2 --
+array(0) {
+}
+-- Iteration 3 --
+array(0) {
+}
+-- Iteration 4 --
+array(0) {
+}
+-- Iteration 5 --
+array(0) {
+}
+-- Iteration 6 --
+array(0) {
+}
+-- Iteration 7 --
+array(0) {
+}
+-- Iteration 8 --
+array(0) {
+}
+-- Iteration 9 --
+
+Warning: sscanf() expects parameter 2 to be string (Unicode or binary), array given in %s on line %d
+NULL
+-- Iteration 10 --
+
+Warning: sscanf() expects parameter 2 to be string (Unicode or binary), array given in %s on line %d
+NULL
+-- Iteration 11 --
+
+Warning: sscanf() expects parameter 2 to be string (Unicode or binary), array given in %s on line %d
+NULL
+-- Iteration 12 --
+array(0) {
+}
+-- Iteration 13 --
+array(0) {
+}
+-- Iteration 14 --
+array(0) {
+}
+-- Iteration 15 --
+array(0) {
+}
+-- Iteration 16 --
+array(0) {
+}
+-- Iteration 17 --
+array(0) {
+}
+-- Iteration 18 --
+array(0) {
+}
+-- Iteration 19 --
+
+Warning: sscanf() expects parameter 2 to be string (Unicode or binary), resource given in %s on line %d
+NULL
+-- Iteration 20 --
+array(0) {
+}
+-- Iteration 21 --
+array(0) {
+}
+===DONE===
\ No newline at end of file
-- 
2.50.1