denoland-deno/cli/js/internals_test.ts

// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
import { unitTest, assert } from "./test_util.ts";

unitTest(function internalsExists(): void {
  const {
    stringifyArgs
    // @ts-ignore TypeScript (as of 3.7) does not support indexing namespaces by symbol
  } = Deno[Deno.symbols.internal];
  assert(!!stringifyArgs);
});