archived-php-langspec/tests/expressions/instanceof_operator/instanceof.phpt

--TEST--
PHP Spec test generated from ./expressions/instanceof_operator/instanceof.php
--FILE--
<?php

/*
   +-------------------------------------------------------------+
   | Copyright (c) 2014 Facebook, Inc. (http://www.facebook.com) |
   +-------------------------------------------------------------+
*/

error_reporting(-1);

///*
echo "------- Classes -------------\n";

// test using a series of classes, some derived

class C1 {}
class C2 {}
class D extends C1 {}

$c1 = new C1;
$c2 = new C2;
$c2b = new C2;
$d = new D;

var_dump($c1 instanceof C1);
var_dump($c1 instanceof C2);
var_dump($c1 instanceof D);

//var_dump($c1 instanceof "C1");	// can't be a string literal
//var_dump($c1 instanceof "c1");	// can't be a string literal
$clName = "C1";
var_dump($c1 instanceof $clName);	// TRUE; can be a string
$clName = "C2";
var_dump($c1 instanceof $clName);	// FALSE; can be a string

var_dump($c2 instanceof $c2b);		//
var_dump($d instanceof $c1);		//
var_dump($c1 instanceof $d);		//

echo "--------------------\n";

function f1() { return new D; }
var_dump(f1() instanceof C1);
var_dump(f1() instanceof C2);
var_dump(f1() instanceof D);

echo "--------------------\n";

var_dump($c2 instanceof C1);
var_dump($c2 instanceof C2);
var_dump($c2 instanceof d);

echo "--------------------\n";

var_dump($d instanceof C1);
var_dump($d instanceof C2);
var_dump($d instanceof d);

echo "------- Interfaces -------------\n";

// test using a series of interfaces

interface I1 {}
interface I2 {}
class E1 implements I1, I2 {}

$e1 = new E1;

var_dump($e1 instanceof E1);
var_dump($e1 instanceof I1);	// Yes
var_dump($e1 instanceof I2);	// Yes
$iName = "I2";
var_dump($e1 instanceof $iName);	// Yes
//var_dump($e1 instanceof "I2");	// No string literal allowed

echo "------- Non-Instances -------------\n";

// test using variables that are not instances

var_dump($d instanceof I1);		// of course not!
$v = 10;
var_dump($v instanceof C1);		// of course not!
$v = 1.234;
var_dump($v instanceof C1);		// of course not!
$v = NULL;
var_dump($v instanceof C1);		// of course not!

echo "------- Non-class/Non-interface types -------------\n";

// test against non-class/non-interface "types" and even non-types

$v = TRUE;
var_dump($v instanceof bool);		// false!
var_dump($v instanceof int);		// false!
var_dump($v instanceof float);		// false!
var_dump($v instanceof string);		// false!
//var_dump($v instanceof array);	// won't parse
var_dump($v instanceof object);		// false!
var_dump($v instanceof xyz);		// false!
//*/

class C11 {} $c11 = new C11;
class C21 {} $c21 = new C21;
class D1 extends C11 {} $d = new D1;
var_dump($d instanceof C11);
var_dump($d instanceof C21);
var_dump($d instanceof D1);

// -----------------------------------------

interface I11 {}
interface I21 {}

class E11 implements I11, I21 {}

$e11 = new E11;
var_dump($e11 instanceof I11);	// Yes
var_dump($e11 instanceof I21);	// Yes
$iName = "I21";
var_dump($e11 instanceof $iName);	// Yes
--EXPECT--
------- Classes -------------
bool(true)
bool(false)
bool(false)
bool(true)
bool(false)
bool(true)
bool(true)
bool(false)
--------------------
bool(true)
bool(false)
bool(true)
--------------------
bool(false)
bool(true)
bool(false)
--------------------
bool(true)
bool(false)
bool(true)
------- Interfaces -------------
bool(true)
bool(true)
bool(true)
bool(true)
------- Non-Instances -------------
bool(false)
bool(false)
bool(false)
bool(false)
------- Non-class/Non-interface types -------------
bool(false)
bool(false)
bool(false)
bool(false)
bool(false)
bool(false)
bool(true)
bool(false)
bool(true)
bool(true)
bool(true)
bool(true)