yanchengPowerSupply/node_modules/pdfjs-dist/lib/test/unit/bidi_spec.js

59 lines
2.4 KiB
JavaScript

/**
* @licstart The following is the entire license notice for the
* JavaScript code in this page
*
* Copyright 2022 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 _bidi = require("../../core/bidi.js");
describe("bidi", function () {
it("should mark text as LTR if there's only LTR-characters, " + "when the string is very short", function () {
const str = "foo";
const bidiText = (0, _bidi.bidi)(str, -1, false);
expect(bidiText.str).toEqual("foo");
expect(bidiText.dir).toEqual("ltr");
});
it("should mark text as LTR if there's only LTR-characters", function () {
const str = "Lorem ipsum dolor sit amet, consectetur adipisicing elit.";
const bidiText = (0, _bidi.bidi)(str, -1, false);
expect(bidiText.str).toEqual("Lorem ipsum dolor sit amet, consectetur adipisicing elit.");
expect(bidiText.dir).toEqual("ltr");
});
it("should mark text as RTL if more than 30% of text is RTL", function () {
const test = "\u0645\u0635\u0631 Egypt";
const result = "Egypt \u0631\u0635\u0645";
const bidiText = (0, _bidi.bidi)(test, -1, false);
expect(bidiText.str).toEqual(result);
expect(bidiText.dir).toEqual("rtl");
});
it("should mark text as LTR if less than 30% of text is RTL", function () {
const test = "Egypt is known as \u0645\u0635\u0631 in Arabic.";
const result = "Egypt is known as \u0631\u0635\u0645 in Arabic.";
const bidiText = (0, _bidi.bidi)(test, -1, false);
expect(bidiText.str).toEqual(result);
expect(bidiText.dir).toEqual("ltr");
});
it("should mark text as RTL if less than 30% of text is RTL, " + "when the string is very short (issue 11656)", function () {
const str = "()\u05d1(";
const bidiText = (0, _bidi.bidi)(str, -1, false);
expect(bidiText.str).toEqual("(\u05d1)(");
expect(bidiText.dir).toEqual("rtl");
});
});