The Tor Browser: js/src/tests/ecma_5/Function/function-call.js@6474c204b198

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

     1 /*

     2  * Any copyright is dedicated to the Public Domain.

     3  * http://creativecommons.org/licenses/publicdomain/

     4  * Contributor:

     5  *   Jeff Walden <jwalden+code@mit.edu>

     6  */

     8 //-----------------------------------------------------------------------------

     9 var BUGNUMBER = 575535;

    10 var summary = 'Function.prototype.call';

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

    13 /**************

    14  * BEGIN TEST *

    15  **************/

    17 function expectTypeError(fun, msg)

    18 {

    19   try

    20   {

    21     fun();

    22     assertEq(true, false, "should have thrown a TypeError");

    23   }

    24   catch (e)

    25   {

    26     assertEq(e instanceof TypeError, true, msg + "; instead threw " + e);

    27   }

    28 }

    30 function fun() { }

    32 var global = this;

    34 assertEq(Function.prototype.call.length, 1);

    37 /* Step 1. */

    38 var nonfuns = [null, 1, -1, 2.5, "[[Call]]", undefined, true, false, {}];

    39 for (var i = 0, sz = nonfuns.length; i < sz; i++)

    40 {

    41   var f = function()

    42   {

    43     Function.prototype.call.apply(nonfuns[i]);

    44   };

    45   var msg =

    46     "expected TypeError calling Function.prototype.call with uncallable this";

    47   expectTypeError(f, msg);

    48 }

    51 /* Steps 2-4. */

    52 function none()

    53 {

    54   assertEq(this, global, "bad this");

    55   assertEq(arguments.length, 0, "wrong arguments");

    56 }

    58 none.call();

    59 none.call(undefined);

    60 none.call(null);

    62 var seenThis;

    63 function strictNone()

    64 {

    65   "use strict";

    66   assertEq(this, seenThis, "bad this");

    67   assertEq(arguments.length, 0, "wrong arguments");

    68 }

    70 seenThis = undefined;

    71 strictNone.call();

    72 strictNone.call(undefined);

    74 seenThis = null;

    75 strictNone.call(null);

    77 seenThis = 17;

    78 strictNone.call(17);

    80 var seenThisBox, args;

    81 function some()

    82 {

    83   assertEq(this instanceof seenThisBox, true,

    84            "this not instanceof " + seenThisBox);

    85   assertEq(this.valueOf(), seenThis,

    86            "wrong this valueOf()");

    87   assertEq(arguments.length, args.length, "wrong arguments count");

    88   for (var i = 0; i < args.length; i++)

    89     assertEq(arguments[i], args[i], "wrong argument " + i);

    90 }

    92 seenThis = false;

    93 seenThisBox = Boolean;

    94 args = [8, 6, 7, NaN, undefined, 0.3];

    95 some.call(false, 8, 6, 7, NaN, undefined, 0.3);

    97 var obj = {};

    99 seenThis = "foo";

   100 seenThisBox = String;

   101 args = [obj];

   102 some.call("foo", obj);

   104 seenThis = obj;

   105 seenThisBox = Object;

   106 some.call(obj, obj);

   108 function strictSome()

   109 {

   110   "use strict";

   111   assertEq(this, seenThis, "wrong this");

   112   assertEq(arguments.length, args.length, "wrong arguments count");

   113   for (var i = 0; i < args.length; i++)

   114     assertEq(arguments[i], args[i], "wrong argument " + i);

   115 }

   117 seenThis = NaN;

   118 args = [8, 6, 7, NaN, undefined, 0.3];

   119 strictSome.call(NaN, 8, 6, 7, NaN, undefined, 0.3);

   121 seenThis = "foo";

   122 args = [obj];

   123 strictSome.call("foo", obj);

   125 seenThis = obj;

   126 strictSome.call(obj, obj);

   129 /******************************************************************************/

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

   132   reportCompare(true, true);

   134 print("All tests passed!");

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