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3b1204eb2d
This commit makes error objects more resistant to prototype tampering. This bug was found when updating the deno_std Node compatibility layer to Node 18. The Node test 'parallel/test-assert-fail.js' was breaking std's assertion library. Refs: https://github.com/denoland/deno_std/pull/2585
32 lines
1.6 KiB
TypeScript
32 lines
1.6 KiB
TypeScript
// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
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import { assert, assertThrows, fail } from "./test_util.ts";
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Deno.test("Errors work", () => {
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assert(new Deno.errors.NotFound("msg") instanceof Error);
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assert(new Deno.errors.PermissionDenied("msg") instanceof Error);
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assert(new Deno.errors.ConnectionRefused("msg") instanceof Error);
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assert(new Deno.errors.ConnectionReset("msg") instanceof Error);
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assert(new Deno.errors.ConnectionAborted("msg") instanceof Error);
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assert(new Deno.errors.NotConnected("msg") instanceof Error);
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assert(new Deno.errors.AddrInUse("msg") instanceof Error);
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assert(new Deno.errors.AddrNotAvailable("msg") instanceof Error);
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assert(new Deno.errors.BrokenPipe("msg") instanceof Error);
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assert(new Deno.errors.AlreadyExists("msg") instanceof Error);
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assert(new Deno.errors.InvalidData("msg") instanceof Error);
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assert(new Deno.errors.TimedOut("msg") instanceof Error);
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assert(new Deno.errors.Interrupted("msg") instanceof Error);
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assert(new Deno.errors.WriteZero("msg") instanceof Error);
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assert(new Deno.errors.UnexpectedEof("msg") instanceof Error);
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assert(new Deno.errors.BadResource("msg") instanceof Error);
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assert(new Deno.errors.Http("msg") instanceof Error);
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assert(new Deno.errors.Busy("msg") instanceof Error);
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assert(new Deno.errors.NotSupported("msg") instanceof Error);
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});
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Deno.test("Errors have some tamper resistance", () => {
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// deno-lint-ignore no-explicit-any
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(Object.prototype as any).get = () => {};
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assertThrows(() => fail("test error"), Error, "test error");
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// deno-lint-ignore no-explicit-any
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delete (Object.prototype as any).get;
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});
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