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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /js/src/tests/non262/Array/findLast_findLastIndex.js | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/tests/non262/Array/findLast_findLastIndex.js')
-rw-r--r-- | js/src/tests/non262/Array/findLast_findLastIndex.js | 285 |
1 files changed, 285 insertions, 0 deletions
diff --git a/js/src/tests/non262/Array/findLast_findLastIndex.js b/js/src/tests/non262/Array/findLast_findLastIndex.js new file mode 100644 index 0000000000..00f5640308 --- /dev/null +++ b/js/src/tests/non262/Array/findLast_findLastIndex.js @@ -0,0 +1,285 @@ +/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +//----------------------------------------------------------------------------- +var BUGNUMBER = 1704385; +var summary = 'Array.prototype.findLast and Array.prototype.findLastIndex'; + +print(BUGNUMBER + ": " + summary); + +/************** + * BEGIN TEST * + **************/ + +function isString(v, index, array) +{ + assertEq(array[index], v); + return typeof v == 'string'; +} + +function dumpError(e) +{ + var s = e.name + ': ' + e.message + + ' File: ' + e.fileName + + ', Line: ' + e.lineNumber + + ', Stack: ' + e.stack; + return s; +} + +var expect; +var actual; +var obj; + +var strings = ['hello', 'Array', 'WORLD']; +var mixed = [0, '1', 2]; +var sparsestrings = new Array(); +sparsestrings[2] = 'sparse'; +var arraylike = {0:0, 1:'string', 2:2, length:3}; +// array for which JSObject::isIndexed() holds. +var indexedArray = []; +Object.defineProperty(indexedArray, 42, { get: function() { return 42; } }); +Object.defineProperty(indexedArray, 142, { get: function() { return 'string'; } }); + +// findLast and findLastIndex have 1 required argument + +expect = 1; +actual = Array.prototype.findLast.length; +reportCompare(expect, actual, 'Array.prototype.findLast.length == 1'); +actual = Array.prototype.findLastIndex.length; +reportCompare(expect, actual, 'Array.prototype.findLastIndex.length == 1'); + +// throw TypeError if no predicate specified +expect = 'TypeError'; +try +{ + strings.findLast(); + actual = 'no error'; +} +catch(e) +{ + actual = e.name; +} +reportCompare(expect, actual, 'Array.findLast(undefined) throws TypeError'); +try +{ + strings.findLastIndex(); + actual = 'no error'; +} +catch(e) +{ + actual = e.name; +} +reportCompare(expect, actual, 'Array.findLastIndex(undefined) throws TypeError'); + +// Length gets treated as integer, not uint32 +obj = { length: -4294967295, 0: 42 }; +expected = undefined; +actual = Array.prototype.findLast.call(obj, () => true); +reportCompare(expected, actual, 'findLast correctly treats "length" as an integer'); +expected = -1 +actual = Array.prototype.findLastIndex.call(obj, () => true); +reportCompare(expected, actual, 'findLastIndex correctly treats "length" as an integer'); + +// test findLast and findLastIndex results +try +{ + expect = 'WORLD'; + actual = strings.findLast(isString); +} +catch(e) +{ + actual = dumpError(e); +} +reportCompare(expect, actual, 'strings: findLast finds last string element'); + +try +{ + expect = 2; + actual = strings.findLastIndex(isString); +} +catch(e) +{ + actual = dumpError(e); +} +reportCompare(expect, actual, 'strings: findLastIndex finds last string element'); + +try +{ + expect = '1'; + actual = mixed.findLast(isString); +} +catch(e) +{ + actual = dumpError(e); +} +reportCompare(expect, actual, 'mixed: findLast finds last string element'); + +try +{ + expect = 1; + actual = mixed.findLastIndex(isString); +} +catch(e) +{ + actual = dumpError(e); +} +reportCompare(expect, actual, 'mixed: findLastIndex finds last string element'); + +try +{ + expect = 'sparse'; + actual = sparsestrings.findLast(isString); +} +catch(e) +{ + actual = dumpError(e); +} +reportCompare(expect, actual, 'sparsestrings: findLast finds last string element'); + +try +{ + expect = 2; + actual = sparsestrings.findLastIndex(isString); +} +catch(e) +{ + actual = dumpError(e); +} +reportCompare(expect, actual, 'sparsestrings: findLastIndex finds first string element'); + +try +{ + expect = 'string'; + actual = [].findLast.call(arraylike, isString); +} +catch(e) +{ + actual = dumpError(e); +} +reportCompare(expect, actual, 'arraylike: findLast finds last string element'); + +try +{ + expect = 1; + actual = [].findLastIndex.call(arraylike, isString); +} +catch(e) +{ + actual = dumpError(e); +} +reportCompare(expect, actual, 'arraylike: findLastIndex finds last string element'); + +try +{ + expect = 1; + actual = 0; + Array.prototype.findLast.call({get 0(){ actual++ }, length: 1}, ()=>true); +} +catch(e) +{ + actual = dumpError(e); +} +reportCompare(expect, actual, 'arraylike with getter: getter only called once'); + +try +{ + expect = 'string'; + actual = [].findLast.call(indexedArray, isString); +} +catch(e) +{ + actual = dumpError(e); +} +reportCompare(expect, actual, 'indexedArray: findLast finds last string element'); + +try +{ + expect = 142; + actual = [].findLastIndex.call(indexedArray, isString); +} +catch(e) +{ + actual = dumpError(e); +} +reportCompare(expect, actual, 'indexedArray: findLastIndex finds last string element'); + +// Bug 1058394 - Array#findLast and Array#findLastIndex no longer skip holes too. +var sparseArray = [1,,]; +var sparseArrayWithInheritedDataProperty = Object.setPrototypeOf([1,,,], { + __proto__: [].__proto__, + 2 : 0 +}); +var sparseArrayWithInheritedAccessorProperty = Object.setPrototypeOf([1,,,], { + __proto__: [].__proto__, + get 2(){ + throw "get 2"; + } +}); + +try +{ + expect = undefined; + actual = sparseArray.findLast(() => true); +} +catch(e) +{ + actual = dumpError(e); +} +reportCompare(expect, actual, "Don't skip holes in Array#findLast."); + +try +{ + expect = 1; + actual = sparseArray.findLastIndex(() => true); +} +catch(e) +{ + actual = dumpError(e); +} +reportCompare(expect, actual, "Don't skip holes in Array#findLastIndex."); + +try +{ + expect = 0; + actual = sparseArrayWithInheritedDataProperty.findLast(v => v === 0); +} +catch(e) +{ + actual = dumpError(e); +} +reportCompare(expect, actual, "Array#findLast can find inherited data property."); + +try +{ + expect = 2; + actual = sparseArrayWithInheritedDataProperty.findLastIndex(v => v === 0); +} +catch(e) +{ + actual = dumpError(e); +} +reportCompare(expect, actual, "Array#findLastIndex can find inherited data property."); + +try +{ + expect = "get 2"; + actual = sparseArrayWithInheritedAccessorProperty.findLast(() => true); +} +catch(e) +{ + actual = e; +} +reportCompare(expect, actual, "Array#findLast can find inherited accessor property."); + +try +{ + expect = "get 2"; + actual = sparseArrayWithInheritedAccessorProperty.findLastIndex(() => true); +} +catch(e) +{ + actual = e; +} +reportCompare(expect, actual, "Array#findLastIndex can find inherited accessor property."); 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