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Annotation of embedaddon/php/Zend/tests/closure_041.phpt, revision 1.1

1.1     ! misho       1: --TEST--
        !             2: Closure 041: Rebinding: preservation of previous scope when not given as arg unless impossible
        !             3: --FILE--
        !             4: <?php
        !             5: 
        !             6: /* It's impossible to preserve the previous scope when doing so would break
        !             7:  * the invariants that, for non-static closures, having a scope is equivalent
        !             8:  * to having a bound instance. */
        !             9: 
        !            10: $staticUnscoped = static function () {
        !            11:        echo "scoped to A: "; var_dump(isset(A::$priv));
        !            12:        echo "bound: ", isset($this)?get_class($this):"no";
        !            13: };
        !            14: 
        !            15: $nonstaticUnscoped = function () {
        !            16:        echo "scoped to A: "; var_dump(isset(A::$priv));
        !            17:        echo "bound: ", isset($this)?get_class($this):"no";
        !            18: };
        !            19: 
        !            20: class A {
        !            21:        private static $priv = 7;
        !            22:        function getClosure() {
        !            23:                return function () {
        !            24:                        echo "scoped to A: "; var_dump(isset(A::$priv));
        !            25:                        echo "bound: ", isset($this)?get_class($this):"no";
        !            26:                };
        !            27:        }
        !            28:        function getStaticClosure() {
        !            29:                return static function () {
        !            30:                        echo "scoped to A: "; var_dump(isset(A::$priv));
        !            31:                        echo "bound: ", isset($this)?get_class($this):"no";
        !            32:                };
        !            33:        }
        !            34: }
        !            35: class B extends A {}
        !            36: 
        !            37: $a = new A();
        !            38: $staticScoped = $a->getStaticClosure();
        !            39: $nonstaticScoped = $a->getClosure();
        !            40: 
        !            41: echo "Before binding", "\n";
        !            42: $staticUnscoped(); echo "\n";
        !            43: $nonstaticUnscoped(); echo "\n";
        !            44: $staticScoped(); echo "\n";
        !            45: $nonstaticScoped(); echo "\n";
        !            46: 
        !            47: echo "After binding, no instance", "\n";
        !            48: $d = $staticUnscoped->bindTo(null); $d(); echo "\n";
        !            49: $d = $nonstaticUnscoped->bindTo(null); $d(); echo "\n";
        !            50: $d = $staticScoped->bindTo(null); $d(); echo "\n";
        !            51: $d = $nonstaticScoped->bindTo(null); $d(); echo "\n";
        !            52: //$d should have been turned to static
        !            53: $d->bindTo($d);
        !            54: 
        !            55: echo "After binding, with same-class instance for the bound ones", "\n";
        !            56: $d = $staticUnscoped->bindTo(new A); $d(); echo "\n";
        !            57: $d = $nonstaticUnscoped->bindTo(new A); $d(); echo " (should be scoped to dummy class)\n";
        !            58: $d = $staticScoped->bindTo(new A); $d(); echo "\n";
        !            59: $d = $nonstaticScoped->bindTo(new A); $d(); echo "\n";
        !            60: 
        !            61: echo "After binding, with different instance for the bound ones", "\n";
        !            62: $d = $nonstaticUnscoped->bindTo(new B); $d(); echo " (should be scoped to dummy class)\n";
        !            63: $d = $nonstaticScoped->bindTo(new B); $d(); echo "\n";
        !            64: 
        !            65: echo "Done.\n";
        !            66: 
        !            67: --EXPECTF--
        !            68: Before binding
        !            69: scoped to A: bool(false)
        !            70: bound: no
        !            71: scoped to A: bool(false)
        !            72: bound: no
        !            73: scoped to A: bool(true)
        !            74: bound: no
        !            75: scoped to A: bool(true)
        !            76: bound: A
        !            77: After binding, no instance
        !            78: scoped to A: bool(false)
        !            79: bound: no
        !            80: scoped to A: bool(false)
        !            81: bound: no
        !            82: scoped to A: bool(true)
        !            83: bound: no
        !            84: scoped to A: bool(true)
        !            85: bound: no
        !            86: 
        !            87: Warning: Cannot bind an instance to a static closure in %s on line %d
        !            88: After binding, with same-class instance for the bound ones
        !            89: 
        !            90: Warning: Cannot bind an instance to a static closure in %s on line %d
        !            91: scoped to A: bool(false)
        !            92: bound: no
        !            93: scoped to A: bool(false)
        !            94: bound: A (should be scoped to dummy class)
        !            95: 
        !            96: Warning: Cannot bind an instance to a static closure in %s on line %d
        !            97: scoped to A: bool(true)
        !            98: bound: no
        !            99: scoped to A: bool(true)
        !           100: bound: A
        !           101: After binding, with different instance for the bound ones
        !           102: scoped to A: bool(false)
        !           103: bound: B (should be scoped to dummy class)
        !           104: scoped to A: bool(true)
        !           105: bound: B
        !           106: Done.