test262/test/harness/compare-array-arraylike.js

35 lines
1.0 KiB
JavaScript

// Copyright (C) 2021 Rick Waldron. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: >
Accepts spreadable arguments
includes: [compareArray.js]
---*/
function checkFormatOfAssertionMessage(func, errorMessage) {
var caught = false;
try {
func();
} catch (error) {
caught = true;
assert.sameValue(error.constructor, Test262Error);
assert.sameValue(error.message, errorMessage);
}
assert(caught, `Expected ${func} to throw, but it didn't.`);
}
const fixture = { length: 3, 0: 0, 1: 'a', 2: undefined};
assert.compareArray(fixture, [0, 'a', undefined]);
assert.compareArray([0, 'a', undefined], fixture);
checkFormatOfAssertionMessage(() => {
assert.compareArray(fixture, [], 'fixture and []');
}, 'Expected [0, a, undefined] and [] to have the same contents. fixture and []');
checkFormatOfAssertionMessage(() => {
assert.compareArray([], fixture, '[] and fixture');
}, 'Expected [] and [0, a, undefined] to have the same contents. [] and fixture');