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comparison: js/src/tests/js1_7/regress/regress-363040-02.js
js/src/tests/js1_7/regress/regress-363040-02.js
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| -1:000000000000 | 0:f735efc0e3a2 |
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 //----------------------------------------------------------------------------- | |
| 7 var BUGNUMBER = 363040; | |
| 8 var summary = 'Array.prototype.reduce application in array flattening'; | |
| 9 var actual = ''; | |
| 10 var expect = ''; | |
| 11 | |
| 12 | |
| 13 //----------------------------------------------------------------------------- | |
| 14 test(); | |
| 15 //----------------------------------------------------------------------------- | |
| 16 | |
| 17 function test() | |
| 18 { | |
| 19 enterFunc ('test'); | |
| 20 printBugNumber(BUGNUMBER); | |
| 21 printStatus (summary); | |
| 22 | |
| 23 function flatten(arr) | |
| 24 { | |
| 25 function op(partial, item) | |
| 26 { | |
| 27 if (item instanceof Array) | |
| 28 Array.prototype.push.apply(partial, flatten(item)); | |
| 29 else | |
| 30 partial.push(item); | |
| 31 | |
| 32 return partial; | |
| 33 } | |
| 34 | |
| 35 return arr.reduce(op, []); | |
| 36 } | |
| 37 | |
| 38 expect = [1, 2, 3]; | |
| 39 actual = flatten([1, 2, 3]); // [1, 2, 3] | |
| 40 reportCompare(expect + '', actual + '', summary + ': ' + expect); | |
| 41 | |
| 42 expect = [1, 2, 3]; | |
| 43 actual = flatten([1, [2], 3]); // [1, 2, 3] | |
| 44 reportCompare(expect + '', actual + '', summary + ': ' + expect); | |
| 45 | |
| 46 expect = [2, 3]; | |
| 47 actual = flatten([[], 2, 3]); // [2, 3] | |
| 48 reportCompare(expect + '', actual + '', summary + ': ' + expect); | |
| 49 | |
| 50 expect = [1, 2, 3]; | |
| 51 actual = flatten([[1], 2, 3]); // [1, 2, 3] | |
| 52 reportCompare(expect + '', actual + '', summary + ': ' + expect); | |
| 53 | |
| 54 expect = [4]; | |
| 55 actual = flatten([[[[4]]]]); // [4] | |
| 56 reportCompare(expect + '', actual + '', summary + ': ' + expect); | |
| 57 | |
| 58 expect = [1, 2, 3]; | |
| 59 actual = flatten([1, [2, [3]]]); // [1, 2, 3] | |
| 60 reportCompare(expect + '', actual + '', summary + ': ' + expect); | |
| 61 | |
| 62 expect = []; | |
| 63 actual = flatten([[[[[]]]]]); // [] | |
| 64 reportCompare(expect + '', actual + '', summary + ': ' + expect); | |
| 65 | |
| 66 exitFunc ('test'); | |
| 67 } |
