pdfjs-dist/lib/test/unit/encodings_spec.js

/**
 * @licstart The following is the entire license notice for the
 * Javascript code in this page
 *
 * Copyright 2020 Mozilla Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * @licend The above is the entire license notice for the
 * Javascript code in this page
 */
"use strict";

var _encodings = require("../../core/encodings.js");

describe("encodings", function () {
  describe("getEncoding", function () {
    it("fetches a valid array for known encoding names", function () {
      const knownEncodingNames = ["ExpertEncoding", "MacExpertEncoding", "MacRomanEncoding", "StandardEncoding", "SymbolSetEncoding", "WinAnsiEncoding", "ZapfDingbatsEncoding"];

      for (const knownEncodingName of knownEncodingNames) {
        const encoding = (0, _encodings.getEncoding)(knownEncodingName);
        expect(Array.isArray(encoding)).toEqual(true);
        expect(encoding.length).toEqual(256);

        for (const item of encoding) {
          expect(typeof item).toEqual("string");
        }
      }
    });
    it("fetches `null` for unknown encoding names", function () {
      expect((0, _encodings.getEncoding)("FooBarEncoding")).toEqual(null);
    });
  });
});