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Use SameValue

This commit is contained in:
Alexey Shvayka 2019-08-24 13:24:33 +03:00
parent 59a1a016b7
commit c674362d1a
2 changed files with 19 additions and 1 deletions
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9
harness/compareArray.js
View File

@ -5,13 +5,20 @@ description: |
Compare the contents of two arrays
---*/
function isSameValue(a, b) {
if (a === 0 && b === 0) return 1 / a === 1 / b;
if (a !== a && b !== b) return true;
return a === b;
}
function compareArray(a, b) {
if (b.length !== a.length) {
return false;
}
for (var i = 0; i < a.length; i++) {
if (b[i] !== a[i]) {
if (!isSameValue(b[i], a[i])) {
return false;
}
}

11
test/harness/compare-array-samevalue.js Normal file
View File

@ -0,0 +1,11 @@
// Copyright (C) 2019 Alexey Shvayka. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: >
compareArray uses SameValue for value comparison.
includes: [compareArray.js]
---*/
assert(compareArray([NaN], [NaN]));
assert(!compareArray([0], [-0]));