The Tor Browser: js/src/jit-test/tests/ion/bug717466.js@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 function Person(){}

     2 function Ninja(){}

     3 Ninja.prototype = new Person();

     4 function House(){}

     6 var empty = {};

     7 var person = new Person();

     8 var ninja = new Ninja();

     9 var house = new House();

    10 var string = new String();

    11 var bindNinja = Ninja.bind({});

    13 var array = {};

    14 array.__proto__ = Array.prototype;

    15 var array2 = {};

    16 array2.__proto__ = array.prototype;

    18 function test(v, v2) {

    19   return v instanceof v2;

    20 }

    21 function test2(v, v2) {

    22   return v instanceof v2;

    23 }

    24 function test3(v, v2) {

    25   return v instanceof v2;

    26 }

    27 function test4(v, v2) {

    28   return v instanceof v2;

    29 }

    31 // Test if specialized for object works

    32 for (var i=0; i!=41; i++) {

    33   assertEq(test(person, Person), true);

    34   assertEq(test(empty, Person), false);

    35   assertEq(test(ninja, Person), true);

    36   assertEq(test(house, Person), false);

    37   assertEq(test(string, Person), false);

    38   assertEq(test(new bindNinja(), Person), true);

    39   assertEq(test(new Ninja(), bindNinja), true);

    40   assertEq(test(string, String), true);

    41   assertEq(test(array, Array), true);

    42   assertEq(test(empty, Object), true);

    44   // Test if bailout works

    45   assertEq(test(0.1, Object), false);

    47   // Should generate TypeError

    48   var err = false;

    49   try {

    50     test(0.1, 5);

    51   } catch (e) { err = true; }

    52   assertEq(err, true);

    54   // Should generate TypeError

    55   var err = false;

    56   try {

    57     test(empty, empty);

    58   } catch (e) { err = true; }

    59   assertEq(err, true);

    61   // Should generate TypeError

    62   var err = false;

    63   try {

    64     test(5.0, empty);

    65   } catch (e) { err = true; }

    66   assertEq(err, true);

    67 }

    69 // Test if specialized for non-object lhs

    70 for (var i=0; i!=41; i++) {

    71   assertEq(test2(0.1, Object), false);

    72 }

    74 // Check if we don't regress on https://bugzilla.mozilla.org/show_bug.cgi?id=7635

    75 function Foo() {};

    76 theproto = {};

    77 Foo.prototype = theproto;

    79 for (var i=0; i!=41; i++) {

    80   assertEq(test3(theproto, Foo), false);

    81 }

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