The Tor Browser: js/src/tests/ecma_5/Expressions/primitive-this-boxing-behavior.js@6474c204b198

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

     1 // Any copyright is dedicated to the Public Domain.

     2 // http://creativecommons.org/licenses/publicdomain/

     4 //-----------------------------------------------------------------------------

     5 var BUGNUMBER = 732669;

     6 var summary = "Primitive values don't box correctly";

     8 print(BUGNUMBER + ": " + summary);

    10 /**************

    11  * BEGIN TEST *

    12  **************/

    14 var t;

    15 function returnThis() { return this; }

    17 // Boolean

    19 Boolean.prototype.method = returnThis;

    20 t = true.method();

    21 assertEq(t !== Boolean.prototype, true);

    22 assertEq(t.toString(), "true");

    24 Object.defineProperty(Boolean.prototype, "property", { get: returnThis, configurable: true });

    25 t = false.property;

    26 assertEq(t !== Boolean.prototype, true);

    27 assertEq(t.toString(), "false");

    29 delete Boolean.prototype.method;

    30 delete Boolean.prototype.property;

    33 // Number

    35 Number.prototype.method = returnThis;

    36 t = 5..method();

    37 assertEq(t !== Number.prototype, true);

    38 assertEq(t.toString(), "5");

    40 Object.defineProperty(Number.prototype, "property", { get: returnThis, configurable: true });

    41 t = 17..property;

    42 assertEq(t !== Number.prototype, true);

    43 assertEq(t.toString(), "17");

    45 delete Number.prototype.method;

    46 delete Number.prototype.property;

    49 // String

    51 String.prototype.method = returnThis;

    52 t = "foo".method();

    53 assertEq(t !== String.prototype, true);

    54 assertEq(t.toString(), "foo");

    56 Object.defineProperty(String.prototype, "property", { get: returnThis, configurable: true });

    57 t = "bar".property;

    58 assertEq(t !== String.prototype, true);

    59 assertEq(t.toString(), "bar");

    61 delete String.prototype.method;

    62 delete String.prototype.property;

    65 // Object

    67 Object.prototype.method = returnThis;

    69 t = true.method();

    70 assertEq(t !== Object.prototype, true);

    71 assertEq(t !== Boolean.prototype, true);

    72 assertEq(t.toString(), "true");

    74 t = 42..method();

    75 assertEq(t !== Object.prototype, true);

    76 assertEq(t !== Number.prototype, true);

    77 assertEq(t.toString(), "42");

    79 t = "foo".method();

    80 assertEq(t !== Object.prototype, true);

    81 assertEq(t !== String.prototype, true);

    82 assertEq(t.toString(), "foo");

    84 Object.defineProperty(Object.prototype, "property", { get: returnThis, configurable: true });

    86 t = false.property;

    87 assertEq(t !== Object.prototype, true);

    88 assertEq(t !== Boolean.prototype, true);

    89 assertEq(t.toString(), "false");

    91 t = 8675309..property;

    92 assertEq(t !== Object.prototype, true);

    93 assertEq(t !== Number.prototype, true);

    94 assertEq(t.toString(), "8675309");

    96 t = "bar".property;

    97 assertEq(t !== Object.prototype, true);

    98 assertEq(t !== String.prototype, true);

    99 assertEq(t.toString(), "bar");

   101 /******************************************************************************/

   103 if (typeof reportCompare === "function")

   104   reportCompare(true, true);

   106 print("Tests complete");

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