pdf.js/test/unit/pdf_history_spec.js

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/* Copyright 2017 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.
*/
import { isDestsEqual } from '../../web/pdf_history';
describe('pdf_history', function() {
describe('isDestsEqual', function() {
let firstDest = [{ num: 1, gen: 0, }, { name: 'XYZ', }, 0, 375, null];
let secondDest = [{ num: 5, gen: 0, }, { name: 'XYZ', }, 0, 375, null];
let thirdDest = [{ num: 1, gen: 0, }, { name: 'XYZ', }, 750, 0, null];
let fourthDest = [{ num: 1, gen: 0, }, { name: 'XYZ', }, 0, 375, 1.0];
let fifthDest = [{ gen: 0, num: 1, }, { name: 'XYZ', }, 0, 375, null];
it('should reject non-equal destination arrays', function() {
expect(isDestsEqual(firstDest, undefined)).toEqual(false);
expect(isDestsEqual(firstDest, [1, 2, 3, 4, 5])).toEqual(false);
expect(isDestsEqual(firstDest, secondDest)).toEqual(false);
expect(isDestsEqual(firstDest, thirdDest)).toEqual(false);
expect(isDestsEqual(firstDest, fourthDest)).toEqual(false);
});
it('should accept equal destination arrays', function() {
expect(isDestsEqual(firstDest, firstDest)).toEqual(true);
expect(isDestsEqual(firstDest, fifthDest)).toEqual(true);
let firstDestCopy = firstDest.slice();
expect(firstDest).not.toBe(firstDestCopy);
expect(isDestsEqual(firstDest, firstDestCopy)).toEqual(true);
});
});
});