js/src/tests/ecma_5/Function/redefine-arguments-length.js@6474c204b198 (annotated)
js/src/tests/ecma_5/Function/redefine-arguments-length.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.
| michael@0 | 1 | /* |
| michael@0 | 2 | * Any copyright is dedicated to the Public Domain. |
| michael@0 | 3 | * http://creativecommons.org/licenses/publicdomain/ |
| michael@0 | 4 | */ |
| michael@0 | 5 | |
| michael@0 | 6 | var gTestfile = 'redefine-arguments-length.js'; |
| michael@0 | 7 | //----------------------------------------------------------------------------- |
| michael@0 | 8 | var BUGNUMBER = 539766; |
| michael@0 | 9 | var summary = |
| michael@0 | 10 | "Object.defineProperty sets arguments.length without setting the " + |
| michael@0 | 11 | "length-overridden bit"; |
| michael@0 | 12 | |
| michael@0 | 13 | print(BUGNUMBER + ": " + summary); |
| michael@0 | 14 | |
| michael@0 | 15 | /************** |
| michael@0 | 16 | * BEGIN TEST * |
| michael@0 | 17 | **************/ |
| michael@0 | 18 | |
| michael@0 | 19 | function test_JSOP_ARGCNT() |
| michael@0 | 20 | { |
| michael@0 | 21 | var length = "length"; |
| michael@0 | 22 | Object.defineProperty(arguments, length, { value: 17 }); |
| michael@0 | 23 | assertEq(arguments.length, 17); |
| michael@0 | 24 | assertEq(arguments[length], 17); |
| michael@0 | 25 | } |
| michael@0 | 26 | test_JSOP_ARGCNT(); |
| michael@0 | 27 | |
| michael@0 | 28 | function test_js_fun_apply() |
| michael@0 | 29 | { |
| michael@0 | 30 | var length = "length"; |
| michael@0 | 31 | Object.defineProperty(arguments, length, { value: 17 }); |
| michael@0 | 32 | |
| michael@0 | 33 | function fun() |
| michael@0 | 34 | { |
| michael@0 | 35 | assertEq(arguments.length, 17); |
| michael@0 | 36 | assertEq(arguments[length], 17); |
| michael@0 | 37 | assertEq(arguments[0], "foo"); |
| michael@0 | 38 | for (var i = 1; i < 17; i++) |
| michael@0 | 39 | assertEq(arguments[i], undefined); |
| michael@0 | 40 | } |
| michael@0 | 41 | fun.apply(null, arguments); |
| michael@0 | 42 | } |
| michael@0 | 43 | test_js_fun_apply("foo"); |
| michael@0 | 44 | |
| michael@0 | 45 | function test_array_toString_sub_1() |
| michael@0 | 46 | { |
| michael@0 | 47 | Object.defineProperty(arguments, "length", { value: 1 }); |
| michael@0 | 48 | arguments.join = [].join; |
| michael@0 | 49 | assertEq([].toString.call(arguments), "1"); |
| michael@0 | 50 | } |
| michael@0 | 51 | test_array_toString_sub_1(1, 2); |
| michael@0 | 52 | |
| michael@0 | 53 | function test_array_toString_sub_2() |
| michael@0 | 54 | { |
| michael@0 | 55 | Object.defineProperty(arguments, "length", { value: 1 }); |
| michael@0 | 56 | assertEq([].toLocaleString.call(arguments), "1"); |
| michael@0 | 57 | } |
| michael@0 | 58 | test_array_toString_sub_2(1, 2); |
| michael@0 | 59 | |
| michael@0 | 60 | |
| michael@0 | 61 | /******************************************************************************/ |
| michael@0 | 62 | |
| michael@0 | 63 | reportCompare(true, true); |
| michael@0 | 64 | |
| michael@0 | 65 | print("All tests passed!"); |
