mirror of
https://github.com/mozilla/pdf.js.git
synced 2026-05-31 07:11:00 +02:00
153cef615e
Given that the various utility-files naturally increase in size over time, it shouldn't hurt to shorten `src/core/core_utils.js` a little bit by moving a few of its string helper functions to their own file.
73 lines
2.4 KiB
JavaScript
73 lines
2.4 KiB
JavaScript
/* Copyright 2019 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 {
|
|
isAscii,
|
|
stringToUTF16HexString,
|
|
stringToUTF16String,
|
|
} from "../../src/core/string_utils.js";
|
|
|
|
describe("string_utils", function () {
|
|
describe("isAscii", function () {
|
|
it("handles ascii/non-ascii strings", function () {
|
|
expect(isAscii("hello world")).toEqual(true);
|
|
expect(isAscii("こんにちは世界の")).toEqual(false);
|
|
expect(isAscii("hello world in Japanese is こんにちは世界の")).toEqual(
|
|
false
|
|
);
|
|
expect(isAscii("")).toEqual(true);
|
|
expect(isAscii(123)).toEqual(false);
|
|
expect(isAscii(null)).toEqual(false);
|
|
expect(isAscii(undefined)).toEqual(false);
|
|
});
|
|
});
|
|
|
|
describe("stringToUTF16HexString", function () {
|
|
it("should encode a string in UTF16 hexadecimal format", function () {
|
|
expect(stringToUTF16HexString("hello world")).toEqual(
|
|
"00680065006c006c006f00200077006f0072006c0064"
|
|
);
|
|
|
|
expect(stringToUTF16HexString("こんにちは世界の")).toEqual(
|
|
"30533093306b3061306f4e16754c306e"
|
|
);
|
|
});
|
|
});
|
|
|
|
describe("stringToUTF16String", function () {
|
|
it("should encode a string in UTF16", function () {
|
|
expect(stringToUTF16String("hello world")).toEqual(
|
|
"\0h\0e\0l\0l\0o\0 \0w\0o\0r\0l\0d"
|
|
);
|
|
|
|
expect(stringToUTF16String("こんにちは世界の")).toEqual(
|
|
"\x30\x53\x30\x93\x30\x6b\x30\x61\x30\x6f\x4e\x16\x75\x4c\x30\x6e"
|
|
);
|
|
});
|
|
|
|
it("should encode a string in UTF16BE with a BOM", function () {
|
|
expect(
|
|
stringToUTF16String("hello world", /* bigEndian = */ true)
|
|
).toEqual("\xfe\xff\0h\0e\0l\0l\0o\0 \0w\0o\0r\0l\0d");
|
|
|
|
expect(
|
|
stringToUTF16String("こんにちは世界の", /* bigEndian = */ true)
|
|
).toEqual(
|
|
"\xfe\xff\x30\x53\x30\x93\x30\x6b\x30\x61\x30\x6f\x4e\x16\x75\x4c\x30\x6e"
|
|
);
|
|
});
|
|
});
|
|
});
|