Basic test for is_resource() and isset() functions. tested on Windows, Linux and Linux 64

ext/standard/tests/general_functions/is_resource_basic.phpt

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+--TEST--
+Test is_resource() function : basic functionality 
+--FILE--
+<?php
+/* Prototype  : bool is_resource  ( mixed $var  )
+ * Description:  Finds whether a variable is a resource
+ * Source code: ext/standard/type.c
+ */		
+
+echo "*** Testing is_resource() : basic functionality ***\n";
+
+class Hello {
+  public function SayHello($arg) {
+  	echo "Hello\n";
+  } 
+}
+
+
+$vars = array(
+	false,
+	true,
+	10,
+	10.5,
+	"Helo World",
+	array(1,2,3,4,5),
+	NULL,
+	new Hello());
+	
+$types = array(
+	"bool=false",
+	"bool=true",
+	"integer",
+	"double",
+	"string",
+	"array",
+	"NULL",
+	"object");	
+
+echo "\nNon-resource type cases\n";
+
+for ($i=0; $i < count($vars); $i++) {
+	if (is_resource($vars[$i])) {
+		echo $types[$i]. " test returns TRUE\n";
+	} else {
+		echo $types[$i]. " test returns FALSE\n";
+	}
+}	
+
+$res = fopen(__FILE__, "r");
+echo "\nResource type..var_dump after file open returns\n";
+var_dump($res);
+echo "Resource type..after file open  is_resource() returns";
+if (is_resource($res)) {
+	echo " TRUE\n";
+} else {
+	echo " FALSE\n";
+}
+
+fclose($res);
+echo "\nResource type..var_dump after file close returns\n";
+var_dump($res);
+echo "Resource type..after file close is_resource() returns";
+if (is_resource($res)) {
+	echo " TRUE\n";
+} else {
+	echo " FALSE\n";
+}	
+
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing is_resource() : basic functionality ***
+
+Non-resource type cases
+bool=false test returns FALSE
+bool=true test returns FALSE
+integer test returns FALSE
+double test returns FALSE
+string test returns FALSE
+array test returns FALSE
+NULL test returns FALSE
+object test returns FALSE
+
+Resource type..var_dump after file open returns
+resource(%d) of type (%s)
+Resource type..after file open  is_resource() returns TRUE
+
+Resource type..var_dump after file close returns
+resource(%d) of type (Unknown)
+Resource type..after file close is_resource() returns FALSE
+===DONE===

ext/standard/tests/general_functions/is_resource_error.phpt

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+--TEST--
+Test is_resource() function : error conditions 
+--FILE--
+<?php
+/* Prototype  : bool is_resource  ( mixed $var  )
+ * Description:  Finds whether a variable is a resource
+ * Source code: ext/standard/type.c
+ */
+
+echo "*** Testing is_resource() : error conditions ***\n";
+
+echo "\n-- Testing is_resource() function with Zero arguments --\n";
+var_dump( is_resource() );
+
+echo "\n-- Testing is_resource() function with more than expected no. of arguments --\n";
+$res = fopen(__FILE__, "r");
+$extra_arg = 10;
+var_dump( is_resource($res, $extra_arg) );
+
+?>
+===DONE===
+--EXPECTF--
+*** Testing is_resource() : error conditions ***
+
+-- Testing is_resource() function with Zero arguments --
+
+Warning: is_resource() expects exactly 1 parameter, 0 given in %s on line %d
+bool(false)
+
+-- Testing is_resource() function with more than expected no. of arguments --
+
+Warning: is_resource() expects exactly 1 parameter, 2 given in %s on line %d
+bool(false)
+===DONE===

ext/standard/tests/general_functions/isset_basic1.phpt

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+--TEST--
+Test isset() function : basic functionality 
+--FILE--
+<?php
+/* Prototype  : bool isset  ( mixed $var  [, mixed $var  [,  $...  ]] )
+ * Description:  Determine if a variable is set and is not NULL
+ */		
+
+class foo {}
+
+echo "*** Testing isset() : basic functionality ***\n";
+
+$i = 10;
+$f = 10.5;
+$s = "Hello";
+$a = array(1,2,3,4,5);
+$b = true;
+$n = NULL;
+$obj = new foo;
+$res = fopen(__FILE__, "r");
+
+echo "Integer test: " . (isset($i) ? "YES": "NO")  . "\n";
+echo "Float test: " . (isset($f) ? "YES": "NO") . "\n";
+echo "String test: " . (isset($s) ? "YES": "NO") . "\n";
+echo "Array test: " . (isset($a) ? "YES": "NO") . "\n";
+echo "Boolean test: " . (isset($b) ? "YES": "NO") . "\n";
+echo "Null test: " . (isset($n) ? "YES": "NO") . "\n";
+echo "Object test: " . (isset($obj) ? "YES": "NO") . "\n";
+echo "Resource test: " . (isset($res) ? "YES": "NO") . "\n";
+
+echo "\n\nUnset the variables\n\n";
+unset($i, $f, $s, $a, $b, $n, $obj, $res);
+
+echo "Integer test: " . (isset($i) ? "YES": "NO")  . "\n";
+echo "Float test: " . (isset($f) ? "YES": "NO") . "\n";
+echo "String test: " . (isset($s) ? "YES": "NO") . "\n";
+echo "Array test: " . (isset($a) ? "YES": "NO") . "\n";
+echo "Boolean test: " . (isset($b) ? "YES": "NO") . "\n";
+echo "Null test: " . (isset($n) ? "YES": "NO") . "\n";
+echo "Object test: " . (isset($obj) ? "YES": "NO") . "\n";
+echo "Resource test: " . (isset($res) ? "YES": "NO") . "\n";
+?>
+===DONE===
+--EXPECT--
+*** Testing isset() : basic functionality ***
+Integer test: YES
+Float test: YES
+String test: YES
+Array test: YES
+Boolean test: YES
+Null test: NO
+Object test: YES
+Resource test: YES
+
+
+Unset the variables
+
+Integer test: NO
+Float test: NO
+String test: NO
+Array test: NO
+Boolean test: NO
+Null test: NO
+Object test: NO
+Resource test: NO
+===DONE===

ext/standard/tests/general_functions/isset_basic2.phpt

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+--TEST--
+Test isset() function : basic functionality 
+--FILE--
+<?php
+/* Prototype  : bool isset  ( mixed $var  [, mixed $var  [,  $...  ]] )
+ * Description:  Determine if a variable is set and is not NULL
+ */		
+
+class foo {}
+
+echo "*** Testing isset() : basic functionality ***\n";
+
+$i = 10;
+$f = 10.5;
+$s = "Hello";
+$b = true;
+$n = NULL;
+
+echo "Test multiple scalar variables in a group\n";
+var_dump(isset($i, $f, $s, $b));
+var_dump(isset($i, $f, $s, $b, $n));
+
+echo "Unset a few\n";
+unset($i, $b);
+
+echo "Test again\n";
+var_dump(isset($i, $f, $s, $b));
+
+echo "\n\nArray test:\n";
+$arr = array();
+var_dump(isset($var)); 
+var_dump(isset($var[1]));
+var_dump(isset($var, $var[1])); 
+echo "..now set\n";
+$var[1] = 10;
+var_dump(isset($var)); 
+var_dump(isset($var[1])); 
+var_dump(isset($var, $var[1])); 
+
+?>
+===DONE===
+--EXPECT--
+*** Testing isset() : basic functionality ***
+Test multiple scalar variables in a group
+bool(true)
+bool(false)
+Unset a few
+Test again
+bool(false)
+
+
+Array test:
+bool(false)
+bool(false)
+bool(false)
+..now set
+bool(true)
+bool(true)
+bool(true)
+===DONE===