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Merge pull request from anba/issue-103/array-find-update 

Array.prototype.find does not skip holes
This commit is contained in:
Brian Terlson 2015-04-08 16:07:24 -07:00
parent fd6f206d69 73a8a7dcf9
commit 3f04481646
1 changed files with 18 additions and 8 deletions
test/built-ins/Array/prototype/find
Array.prototype.find_remove-after-start.js

26
test/built-ins/Array/prototype/find/Array.prototype.find_remove-after-start.js vendored
View File

@ -3,28 +3,38 @@
/*---
description: >
Elements removed from array after find has been called should not
be visited
Elements removed from array after find has been called should be
visited
---*/
var elementsVisited;
elementsVisited = 0;
[1, 'string', 2].find(function (v, i, arr) {
elementsVisited++;
var stringIndex = arr.indexOf('string');
if (stringIndex !== -1) delete arr[stringIndex];
if (v === 'string') {
$ERROR('#1: \'string\' should not exist, it has been deleted');
}
if (v === undefined) {
$ERROR('#2: deleted element should not be visited');
}
});
if (elementsVisited !== 3) {
$ERROR('#2: deleted elements should be visited');
}
elementsVisited = 0;
[1, 'string', 2].find(function (v, i, arr) {
elementsVisited++;
var stringIndex = arr.indexOf('string');
if (stringIndex !== -1) arr.splice(stringIndex, 1);
if (v === 'string') {
$ERROR('#3: \'string\' should not exist, it has been deleted');
}
if (v === undefined) {
$ERROR('#4: deleted element should not be visited');
}
});
if (elementsVisited !== 3) {
$ERROR('#4: deleted elements should be visited');
}