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// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
import * as JSONC from "../../../jsonc.ts";import { assertEquals } from "../../../../testing/asserts.ts";import { walk } from "../../../../fs/mod.ts";import { fromFileUrl } from "../../../../path/mod.ts";
function getError<T>(  fn: () => T,): [hasError: boolean, error: unknown, result?: T] {  try {    const res = fn();    return [false, null, res];  } catch (error: unknown) {    return [true, error];  }}
// Exclude these test cases as they are correctly parsed as JSONC.const ignoreFile = new Set([  "n_object_trailing_comment.json",  "n_object_trailing_comment_slash_open.json",  "n_structure_object_with_comment.json",]);
// Make sure that the JSON.parse and JSONC.parse results match.for await (  const dirEntry of walk(fromFileUrl(new URL("./", import.meta.url)))) {  if (!dirEntry.isFile) {    continue;  }  if (ignoreFile.has(dirEntry.name)) {    continue;  }  // Register a test case for each file.  Deno.test({    name: `[jsonc] parse JSONTestSuite:${dirEntry.name}`,    async fn() {      const text = await Deno.readTextFile(dirEntry.path);
      const [hasJsonError, jsonError, jsonResult] = getError(() => {        JSON.parse(text);      });      const [hasJsoncError, jsoncError, jsoncResult] = getError(() => {        JSONC.parse(text, { allowTrailingComma: false });      });
      // If an error occurs in JSON.parse() but no error occurs in JSONC.parse(), or vice versa, an error is thrown.      if (hasJsonError !== hasJsoncError) {        throw new AggregateError(          [jsonError, jsoncError],          `failed to parse: '${text}'`,        );      }      assertEquals(jsonResult, jsoncResult);    },  });}