40 lines
1.1 KiB
TypeScript
40 lines
1.1 KiB
TypeScript
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/*
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Copyright 2019 Florian Dold
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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or implied. See the License for the specific language governing
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permissions and limitations under the License.
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*/
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import test, { ExecutionContext } from "ava";
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import { structuredClone } from "./structuredClone";
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function checkClone(t: ExecutionContext, x: any): void {
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t.deepEqual(structuredClone(x), x);
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}
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test("structured clone", (t) => {
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checkClone(t, "foo");
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checkClone(t, [1, 2]);
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checkClone(t, { x1: "foo" });
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checkClone(t, new Date());
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checkClone(t, [new Date()]);
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checkClone(t, undefined);
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checkClone(t, [undefined]);
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});
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test("structured clone (cycles)", (t) => {
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const obj1: any[] = [1, 2];
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obj1.push(obj1);
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const obj1Clone = structuredClone(obj1);
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t.is(obj1Clone, obj1Clone[2]);
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});
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