test262/test/harness/compare-array-falsy-argumen...

29 lines
1.0 KiB
JavaScript

// Copyright (C) 2020 Alexey Shvayka. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: >
compareArray gracefully handles nullish arguments.
includes: [compareArray.js]
---*/
function assertThrows(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.`);
}
assertThrows(() => assert.compareArray(), "First argument shouldn't be nullish. ");
assertThrows(() => assert.compareArray(null, []), "First argument shouldn't be nullish. ");
assertThrows(() => assert.compareArray(null, [], "foo"), "First argument shouldn't be nullish. foo");
assertThrows(() => assert.compareArray([]), "Second argument shouldn't be nullish. ");
assertThrows(() => assert.compareArray([], undefined, "foo"), "Second argument shouldn't be nullish. foo");