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js/src/tests/ecma_5/Function/strict-arguments.js@6474c204b198

js/src/tests/ecma_5/Function/strict-arguments.js

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

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  */

     5 

     6 var gTestfile = 'strict-arguments.js';

     7 var BUGNUMBER = 516255;

     8 var summary =

     9   "ES5 strict mode: arguments objects of strict mode functions must copy " +

    10   "argument values";

    11 

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

    13 

    14 /**************

    15  * BEGIN TEST *

    16  **************/

    17 

    18 function arrayEvery(arr, fun)

    19 {

    20   return Array.prototype.every.call(arr, fun);

    21 }

    22 

    23 function arraysEqual(a1, a2)

    24 {

    25   return a1.length === a2.length &&

    26          arrayEvery(a1, function(v, i) { return v === a2[i]; });

    27 }

    28 

    29 

    30 /************************

    31  * NON-STRICT ARGUMENTS *

    32  ************************/

    33 

    34 var obj = {};

    35 

    36 function noargs() { return arguments; }

    37 

    38 assertEq(arraysEqual(noargs(), []), true);

    39 assertEq(arraysEqual(noargs(1), [1]), true);

    40 assertEq(arraysEqual(noargs(2, obj, 8), [2, obj, 8]), true);

    41 

    42 function args(a) { return arguments; }

    43 

    44 assertEq(arraysEqual(args(), []), true);

    45 assertEq(arraysEqual(args(1), [1]), true);

    46 assertEq(arraysEqual(args(1, obj), [1, obj]), true);

    47 assertEq(arraysEqual(args("foopy"), ["foopy"]), true);

    48 

    49 function assign(a)

    50 {

    51   a = 17;

    52   return arguments;

    53 }

    54 

    55 assertEq(arraysEqual(assign(1), [17]), true);

    56 

    57 function getLaterAssign(a)

    58 {

    59   var o = arguments;

    60   a = 17;

    61   return o;

    62 }

    63 

    64 assertEq(arraysEqual(getLaterAssign(1), [17]), true);

    65 

    66 function assignElementGetParameter(a)

    67 {

    68   arguments[0] = 17;

    69   return a;

    70 }

    71 

    72 assertEq(assignElementGetParameter(42), 17);

    73 

    74 function assignParameterGetElement(a)

    75 {

    76   a = 17;

    77   return arguments[0];

    78 }

    79 

    80 assertEq(assignParameterGetElement(42), 17);

    81 

    82 function assignArgSub(x, y)

    83 {

    84   arguments[0] = 3;

    85   return arguments[0];

    86 }

    87 

    88 assertEq(assignArgSub(1), 3);

    89 

    90 function assignArgSubParamUse(x, y)

    91 {

    92   arguments[0] = 3;

    93   assertEq(x, 3);

    94   return arguments[0];

    95 }

    96 

    97 assertEq(assignArgSubParamUse(1), 3);

    98 

    99 function assignArgumentsElement(x, y)

   100 {

   101   arguments[0] = 3;

   102   return arguments[Math.random() ? "0" : 0]; // nix arguments[const] optimizations

   103 }

   104 

   105 assertEq(assignArgumentsElement(1), 3);

   106 

   107 function assignArgumentsElementParamUse(x, y)

   108 {

   109   arguments[0] = 3;

   110   assertEq(x, 3);

   111   return arguments[Math.random() ? "0" : 0]; // nix arguments[const] optimizations

   112 }

   113 

   114 assertEq(assignArgumentsElementParamUse(1), 3);

   115 

   116 /********************

   117  * STRICT ARGUMENTS *

   118  ********************/

   119 

   120 function strictNoargs()

   121 {

   122   "use strict";

   123   return arguments;

   124 }

   125 

   126 assertEq(arraysEqual(strictNoargs(), []), true);

   127 assertEq(arraysEqual(strictNoargs(1), [1]), true);

   128 assertEq(arraysEqual(strictNoargs(1, obj), [1, obj]), true);

   129 

   130 function strictArgs(a)

   131 {

   132   "use strict";

   133   return arguments;

   134 }

   135 

   136 assertEq(arraysEqual(strictArgs(), []), true);

   137 assertEq(arraysEqual(strictArgs(1), [1]), true);

   138 assertEq(arraysEqual(strictArgs(1, obj), [1, obj]), true);

   139 

   140 function strictAssign(a)

   141 {

   142   "use strict";

   143   a = 17;

   144   return arguments;

   145 }

   146 

   147 assertEq(arraysEqual(strictAssign(), []), true);

   148 assertEq(arraysEqual(strictAssign(1), [1]), true);

   149 assertEq(arraysEqual(strictAssign(1, obj), [1, obj]), true);

   150 

   151 var upper;

   152 function strictAssignAfter(a)

   153 {

   154   "use strict";

   155   upper = arguments;

   156   a = 42;

   157   return upper;

   158 }

   159 

   160 assertEq(arraysEqual(strictAssignAfter(), []), true);

   161 assertEq(arraysEqual(strictAssignAfter(17), [17]), true);

   162 assertEq(arraysEqual(strictAssignAfter(obj), [obj]), true);

   163 

   164 function strictMaybeAssignOuterParam(p)

   165 {

   166   "use strict";

   167   function inner() { p = 17; }

   168   return arguments;

   169 }

   170 

   171 assertEq(arraysEqual(strictMaybeAssignOuterParam(), []), true);

   172 assertEq(arraysEqual(strictMaybeAssignOuterParam(42), [42]), true);

   173 assertEq(arraysEqual(strictMaybeAssignOuterParam(obj), [obj]), true);

   174 

   175 function strictAssignOuterParam(p)

   176 {

   177   "use strict";

   178   function inner() { p = 17; }

   179   inner();

   180   return arguments;

   181 }

   182 

   183 assertEq(arraysEqual(strictAssignOuterParam(), []), true);

   184 assertEq(arraysEqual(strictAssignOuterParam(17), [17]), true);

   185 assertEq(arraysEqual(strictAssignOuterParam(obj), [obj]), true);

   186 

   187 function strictAssignOuterParamPSYCH(p)

   188 {

   189   "use strict";

   190   function inner(p) { p = 17; }

   191   inner();

   192   return arguments;

   193 }

   194 

   195 assertEq(arraysEqual(strictAssignOuterParamPSYCH(), []), true);

   196 assertEq(arraysEqual(strictAssignOuterParamPSYCH(17), [17]), true);

   197 assertEq(arraysEqual(strictAssignOuterParamPSYCH(obj), [obj]), true);

   198 

   199 function strictEval(code, p)

   200 {

   201   "use strict";

   202   eval(code);

   203   return arguments;

   204 }

   205 

   206 assertEq(arraysEqual(strictEval("1", 2), ["1", 2]), true);

   207 assertEq(arraysEqual(strictEval("arguments"), ["arguments"]), true);

   208 assertEq(arraysEqual(strictEval("p = 2"), ["p = 2"]), true);

   209 assertEq(arraysEqual(strictEval("p = 2", 17), ["p = 2", 17]), true);

   210 assertEq(arraysEqual(strictEval("arguments[0] = 17"), [17]), true);

   211 assertEq(arraysEqual(strictEval("arguments[0] = 17", 42), [17, 42]), true);

   212 

   213 function strictMaybeNestedEval(code, p)

   214 {

   215   "use strict";

   216   function inner() { eval(code); }

   217   return arguments;

   218 }

   219 

   220 assertEq(arraysEqual(strictMaybeNestedEval("1", 2), ["1", 2]), true);

   221 assertEq(arraysEqual(strictMaybeNestedEval("arguments"), ["arguments"]), true);

   222 assertEq(arraysEqual(strictMaybeNestedEval("p = 2"), ["p = 2"]), true);

   223 assertEq(arraysEqual(strictMaybeNestedEval("p = 2", 17), ["p = 2", 17]), true);

   224 

   225 function strictNestedEval(code, p)

   226 {

   227   "use strict";

   228   function inner() { eval(code); }

   229   inner();

   230   return arguments;

   231 }

   232 

   233 assertEq(arraysEqual(strictNestedEval("1", 2), ["1", 2]), true);

   234 assertEq(arraysEqual(strictNestedEval("arguments"), ["arguments"]), true);

   235 assertEq(arraysEqual(strictNestedEval("p = 2"), ["p = 2"]), true);

   236 assertEq(arraysEqual(strictNestedEval("p = 2", 17), ["p = 2", 17]), true);

   237 assertEq(arraysEqual(strictNestedEval("arguments[0] = 17"), ["arguments[0] = 17"]), true);

   238 assertEq(arraysEqual(strictNestedEval("arguments[0] = 17", 42), ["arguments[0] = 17", 42]), true);

   239 

   240 function strictAssignArguments(a)

   241 {

   242   "use strict";

   243   arguments[0] = 42;

   244   return a;

   245 }

   246 

   247 assertEq(strictAssignArguments(), undefined);

   248 assertEq(strictAssignArguments(obj), obj);

   249 assertEq(strictAssignArguments(17), 17);

   250 

   251 function strictAssignParameterGetElement(a)

   252 {

   253   "use strict";

   254   a = 17;

   255   return arguments[0];

   256 }

   257 

   258 assertEq(strictAssignParameterGetElement(42), 42);

   259 

   260 function strictAssignArgSub(x, y)

   261 {

   262   "use strict";

   263   arguments[0] = 3;

   264   return arguments[0];

   265 }

   266 

   267 assertEq(strictAssignArgSub(1), 3);

   268 

   269 function strictAssignArgSubParamUse(x, y)

   270 {

   271   "use strict";

   272   arguments[0] = 3;

   273   assertEq(x, 1);

   274   return arguments[0];

   275 }

   276 

   277 assertEq(strictAssignArgSubParamUse(1), 3);

   278 

   279 function strictAssignArgumentsElement(x, y)

   280 {

   281   "use strict";

   282   arguments[0] = 3;

   283   return arguments[Math.random() ? "0" : 0]; // nix arguments[const] optimizations

   284 }

   285 

   286 assertEq(strictAssignArgumentsElement(1), 3);

   287 

   288 function strictAssignArgumentsElementParamUse(x, y)

   289 {

   290   "use strict";

   291   arguments[0] = 3;

   292   assertEq(x, 1);

   293   return arguments[Math.random() ? "0" : 0]; // nix arguments[const] optimizations

   294 }

   295 

   296 assertEq(strictAssignArgumentsElementParamUse(1), 3);

   297 

   298 function strictNestedAssignShadowVar(p)

   299 {

   300   "use strict";

   301   function inner()

   302   {

   303     var p = 12;

   304     function innermost() { p = 1776; return 12; }

   305     return innermost();

   306   }

   307   return arguments;

   308 }

   309 

   310 assertEq(arraysEqual(strictNestedAssignShadowVar(), []), true);

   311 assertEq(arraysEqual(strictNestedAssignShadowVar(99), [99]), true);

   312 assertEq(arraysEqual(strictNestedAssignShadowVar(""), [""]), true);

   313 assertEq(arraysEqual(strictNestedAssignShadowVar(obj), [obj]), true);

   314 

   315 function strictNestedAssignShadowCatch(p)

   316 {

   317   "use strict";

   318   function inner()

   319   {

   320     try

   321     {

   322     }

   323     catch (p)

   324     {

   325       var f = function innermost() { p = 1776; return 12; };

   326       f();

   327     }

   328   }

   329   return arguments;

   330 }

   331 

   332 assertEq(arraysEqual(strictNestedAssignShadowCatch(), []), true);

   333 assertEq(arraysEqual(strictNestedAssignShadowCatch(99), [99]), true);

   334 assertEq(arraysEqual(strictNestedAssignShadowCatch(""), [""]), true);

   335 assertEq(arraysEqual(strictNestedAssignShadowCatch(obj), [obj]), true);

   336 

   337 function strictNestedAssignShadowCatchCall(p)

   338 {

   339   "use strict";

   340   function inner()

   341   {

   342     try

   343     {

   344     }

   345     catch (p)

   346     {

   347       var f = function innermost() { p = 1776; return 12; };

   348       f();

   349     }

   350   }

   351   inner();

   352   return arguments;

   353 }

   354 

   355 assertEq(arraysEqual(strictNestedAssignShadowCatchCall(), []), true);

   356 assertEq(arraysEqual(strictNestedAssignShadowCatchCall(99), [99]), true);

   357 assertEq(arraysEqual(strictNestedAssignShadowCatchCall(""), [""]), true);

   358 assertEq(arraysEqual(strictNestedAssignShadowCatchCall(obj), [obj]), true);

   359 

   360 function strictNestedAssignShadowFunction(p)

   361 {

   362   "use strict";

   363   function inner()

   364   {

   365     function p() { }

   366     p = 1776;

   367   }

   368   return arguments;

   369 }

   370 

   371 assertEq(arraysEqual(strictNestedAssignShadowFunction(), []), true);

   372 assertEq(arraysEqual(strictNestedAssignShadowFunction(99), [99]), true);

   373 assertEq(arraysEqual(strictNestedAssignShadowFunction(""), [""]), true);

   374 assertEq(arraysEqual(strictNestedAssignShadowFunction(obj), [obj]), true);

   375 

   376 function strictNestedAssignShadowFunctionCall(p)

   377 {

   378   "use strict";

   379   function inner()

   380   {

   381     function p() { }

   382     p = 1776;

   383   }

   384   return arguments;

   385 }

   386 

   387 assertEq(arraysEqual(strictNestedAssignShadowFunctionCall(), []), true);

   388 assertEq(arraysEqual(strictNestedAssignShadowFunctionCall(99), [99]), true);

   389 assertEq(arraysEqual(strictNestedAssignShadowFunctionCall(""), [""]), true);

   390 assertEq(arraysEqual(strictNestedAssignShadowFunctionCall(obj), [obj]), true);

   391 

   392 function strictNestedShadowAndMaybeEval(code, p)

   393 {

   394   "use strict";

   395   function inner(p) { eval(code); }

   396   return arguments;

   397 }

   398 

   399 assertEq(arraysEqual(strictNestedShadowAndMaybeEval("1", 2), ["1", 2]), true);

   400 assertEq(arraysEqual(strictNestedShadowAndMaybeEval("arguments"), ["arguments"]), true);

   401 assertEq(arraysEqual(strictNestedShadowAndMaybeEval("p = 2"), ["p = 2"]), true);

   402 assertEq(arraysEqual(strictNestedShadowAndMaybeEval("p = 2", 17), ["p = 2", 17]), true);

   403 assertEq(arraysEqual(strictNestedShadowAndMaybeEval("arguments[0] = 17"), ["arguments[0] = 17"]), true);

   404 assertEq(arraysEqual(strictNestedShadowAndMaybeEval("arguments[0] = 17", 42), ["arguments[0] = 17", 42]), true);

   405 

   406 function strictNestedShadowAndEval(code, p)

   407 {

   408   "use strict";

   409   function inner(p) { eval(code); }

   410   return arguments;

   411 }

   412 

   413 assertEq(arraysEqual(strictNestedShadowAndEval("1", 2), ["1", 2]), true);

   414 assertEq(arraysEqual(strictNestedShadowAndEval("arguments"), ["arguments"]), true);

   415 assertEq(arraysEqual(strictNestedShadowAndEval("p = 2"), ["p = 2"]), true);

   416 assertEq(arraysEqual(strictNestedShadowAndEval("p = 2", 17), ["p = 2", 17]), true);

   417 assertEq(arraysEqual(strictNestedShadowAndEval("arguments[0] = 17"), ["arguments[0] = 17"]), true);

   418 assertEq(arraysEqual(strictNestedShadowAndEval("arguments[0] = 17", 42), ["arguments[0] = 17", 42]), true);

   419 

   420 function strictEvalContainsMutation(code)

   421 {

   422   "use strict";

   423   return eval(code);

   424 }

   425 

   426 assertEq(arraysEqual(strictEvalContainsMutation("code = 17; arguments"), ["code = 17; arguments"]), true);

   427 assertEq(arraysEqual(strictEvalContainsMutation("arguments[0] = 17; arguments"), [17]), true);

   428 assertEq(strictEvalContainsMutation("arguments[0] = 17; code"), "arguments[0] = 17; code");

   429 

   430 function strictNestedAssignShadowFunctionName(p)

   431 {

   432   "use strict";

   433   function inner()

   434   {

   435     function p() { p = 1776; }

   436     p();

   437   }

   438   inner();

   439   return arguments;

   440 }

   441 

   442 assertEq(arraysEqual(strictNestedAssignShadowFunctionName(), []), true);

   443 assertEq(arraysEqual(strictNestedAssignShadowFunctionName(99), [99]), true);

   444 assertEq(arraysEqual(strictNestedAssignShadowFunctionName(""), [""]), true);

   445 assertEq(arraysEqual(strictNestedAssignShadowFunctionName(obj), [obj]), true);

   446 

   447 

   448 /******************************************************************************/

   449 

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

   451   reportCompare(true, true);

   452 

   453 print("All tests passed!");

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