b37536c38c
This old helper function can now be replaced with `ArrayBuffer.isView()` and/or `instanceof ArrayBuffer` checks, as needed depending on the situation.
264 lines
8.9 KiB
JavaScript
264 lines
8.9 KiB
JavaScript
/* 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 {
|
||
bytesToString,
|
||
createValidAbsoluteUrl,
|
||
getModificationDate,
|
||
PromiseCapability,
|
||
string32,
|
||
stringToBytes,
|
||
stringToPDFString,
|
||
} from "../../src/shared/util.js";
|
||
|
||
describe("util", function () {
|
||
describe("bytesToString", function () {
|
||
it("handles non-array arguments", function () {
|
||
expect(function () {
|
||
bytesToString(null);
|
||
}).toThrow(new Error("Invalid argument for bytesToString"));
|
||
});
|
||
|
||
it("handles array arguments with a length not exceeding the maximum", function () {
|
||
expect(bytesToString(new Uint8Array([]))).toEqual("");
|
||
expect(bytesToString(new Uint8Array([102, 111, 111]))).toEqual("foo");
|
||
});
|
||
|
||
it("handles array arguments with a length exceeding the maximum", function () {
|
||
const length = 10000; // Larger than MAX_ARGUMENT_COUNT = 8192.
|
||
|
||
// Create an array with `length` 'a' character codes.
|
||
const bytes = new Uint8Array(length);
|
||
for (let i = 0; i < length; i++) {
|
||
bytes[i] = "a".charCodeAt(0);
|
||
}
|
||
|
||
// Create a string with `length` 'a' characters.
|
||
const string = "a".repeat(length);
|
||
|
||
expect(bytesToString(bytes)).toEqual(string);
|
||
});
|
||
});
|
||
|
||
describe("string32", function () {
|
||
it("converts unsigned 32-bit integers to strings", function () {
|
||
expect(string32(0x74727565)).toEqual("true");
|
||
expect(string32(0x74797031)).toEqual("typ1");
|
||
expect(string32(0x4f54544f)).toEqual("OTTO");
|
||
});
|
||
});
|
||
|
||
describe("stringToBytes", function () {
|
||
it("handles non-string arguments", function () {
|
||
expect(function () {
|
||
stringToBytes(null);
|
||
}).toThrow(new Error("Invalid argument for stringToBytes"));
|
||
});
|
||
|
||
it("handles string arguments", function () {
|
||
expect(stringToBytes("")).toEqual(new Uint8Array([]));
|
||
expect(stringToBytes("foo")).toEqual(new Uint8Array([102, 111, 111]));
|
||
});
|
||
});
|
||
|
||
describe("stringToPDFString", function () {
|
||
it("handles ISO Latin 1 strings", function () {
|
||
const str = "\x8Dstring\x8E";
|
||
expect(stringToPDFString(str)).toEqual("\u201Cstring\u201D");
|
||
});
|
||
|
||
it("handles UTF-16 big-endian strings", function () {
|
||
const str = "\xFE\xFF\x00\x73\x00\x74\x00\x72\x00\x69\x00\x6E\x00\x67";
|
||
expect(stringToPDFString(str)).toEqual("string");
|
||
});
|
||
|
||
it("handles incomplete UTF-16 big-endian strings", function () {
|
||
const str = "\xFE\xFF\x00\x73\x00\x74\x00\x72\x00\x69\x00\x6E\x00";
|
||
expect(stringToPDFString(str)).toEqual("strin");
|
||
});
|
||
|
||
it("handles UTF-16 little-endian strings", function () {
|
||
const str = "\xFF\xFE\x73\x00\x74\x00\x72\x00\x69\x00\x6E\x00\x67\x00";
|
||
expect(stringToPDFString(str)).toEqual("string");
|
||
});
|
||
|
||
it("handles incomplete UTF-16 little-endian strings", function () {
|
||
const str = "\xFF\xFE\x73\x00\x74\x00\x72\x00\x69\x00\x6E\x00\x67";
|
||
expect(stringToPDFString(str)).toEqual("strin");
|
||
});
|
||
|
||
it("handles UTF-8 strings", function () {
|
||
const simpleStr = "\xEF\xBB\xBF\x73\x74\x72\x69\x6E\x67";
|
||
expect(stringToPDFString(simpleStr)).toEqual("string");
|
||
|
||
const complexStr =
|
||
"\xEF\xBB\xBF\xE8\xA1\xA8\xE3\x83\x9D\xE3\x81\x82\x41\xE9\xB7\x97" +
|
||
"\xC5\x92\xC3\xA9\xEF\xBC\xA2\xE9\x80\x8D\xC3\x9C\xC3\x9F\xC2\xAA" +
|
||
"\xC4\x85\xC3\xB1\xE4\xB8\x82\xE3\x90\x80\xF0\xA0\x80\x80";
|
||
expect(stringToPDFString(complexStr)).toEqual(
|
||
"表ポあA鷗ŒéＢ逍Üߪąñ丂㐀𠀀"
|
||
);
|
||
});
|
||
|
||
it("handles empty strings", function () {
|
||
// ISO Latin 1
|
||
const str1 = "";
|
||
expect(stringToPDFString(str1)).toEqual("");
|
||
|
||
// UTF-16BE
|
||
const str2 = "\xFE\xFF";
|
||
expect(stringToPDFString(str2)).toEqual("");
|
||
|
||
// UTF-16LE
|
||
const str3 = "\xFF\xFE";
|
||
expect(stringToPDFString(str3)).toEqual("");
|
||
|
||
// UTF-8
|
||
const str4 = "\xEF\xBB\xBF";
|
||
expect(stringToPDFString(str4)).toEqual("");
|
||
});
|
||
|
||
it("handles strings with language code", function () {
|
||
// ISO Latin 1
|
||
const str1 = "hello \x1benUS\x1bworld";
|
||
expect(stringToPDFString(str1)).toEqual("hello world");
|
||
|
||
// UTF-16BE
|
||
const str2 =
|
||
"\xFE\xFF\x00h\x00e\x00l\x00l\x00o\x00 \x00\x1b\x00e\x00n\x00U\x00S\x00\x1b\x00w\x00o\x00r\x00l\x00d";
|
||
expect(stringToPDFString(str2)).toEqual("hello world");
|
||
|
||
// UTF-16LE
|
||
const str3 =
|
||
"\xFF\xFEh\x00e\x00l\x00l\x00o\x00 \x00\x1b\x00e\x00n\x00U\x00S\x00\x1b\x00w\x00o\x00r\x00l\x00d\x00";
|
||
expect(stringToPDFString(str3)).toEqual("hello world");
|
||
});
|
||
});
|
||
|
||
describe("ReadableStream", function () {
|
||
it("should return an Object", function () {
|
||
const readable = new ReadableStream();
|
||
expect(typeof readable).toEqual("object");
|
||
});
|
||
|
||
it("should have property getReader", function () {
|
||
const readable = new ReadableStream();
|
||
expect(typeof readable.getReader).toEqual("function");
|
||
});
|
||
});
|
||
|
||
describe("URL", function () {
|
||
it("should return an Object", function () {
|
||
const url = new URL("https://example.com");
|
||
expect(typeof url).toEqual("object");
|
||
});
|
||
|
||
it("should have property `href`", function () {
|
||
const url = new URL("https://example.com");
|
||
expect(typeof url.href).toEqual("string");
|
||
});
|
||
});
|
||
|
||
describe("createValidAbsoluteUrl", function () {
|
||
it("handles invalid URLs", function () {
|
||
expect(createValidAbsoluteUrl(undefined, undefined)).toEqual(null);
|
||
expect(createValidAbsoluteUrl(null, null)).toEqual(null);
|
||
expect(createValidAbsoluteUrl("/foo", "/bar")).toEqual(null);
|
||
});
|
||
|
||
it("handles URLs that do not use an allowed protocol", function () {
|
||
expect(createValidAbsoluteUrl("magnet:?foo", null)).toEqual(null);
|
||
});
|
||
|
||
it("correctly creates a valid URL for allowed protocols", function () {
|
||
// `http` protocol
|
||
expect(
|
||
createValidAbsoluteUrl("http://www.mozilla.org/foo", null)
|
||
).toEqual(new URL("http://www.mozilla.org/foo"));
|
||
expect(createValidAbsoluteUrl("/foo", "http://www.mozilla.org")).toEqual(
|
||
new URL("http://www.mozilla.org/foo")
|
||
);
|
||
|
||
// `https` protocol
|
||
expect(
|
||
createValidAbsoluteUrl("https://www.mozilla.org/foo", null)
|
||
).toEqual(new URL("https://www.mozilla.org/foo"));
|
||
expect(createValidAbsoluteUrl("/foo", "https://www.mozilla.org")).toEqual(
|
||
new URL("https://www.mozilla.org/foo")
|
||
);
|
||
|
||
// `ftp` protocol
|
||
expect(createValidAbsoluteUrl("ftp://www.mozilla.org/foo", null)).toEqual(
|
||
new URL("ftp://www.mozilla.org/foo")
|
||
);
|
||
expect(createValidAbsoluteUrl("/foo", "ftp://www.mozilla.org")).toEqual(
|
||
new URL("ftp://www.mozilla.org/foo")
|
||
);
|
||
|
||
// `mailto` protocol (base URLs have no meaning and should yield `null`)
|
||
expect(createValidAbsoluteUrl("mailto:foo@bar.baz", null)).toEqual(
|
||
new URL("mailto:foo@bar.baz")
|
||
);
|
||
expect(createValidAbsoluteUrl("/foo", "mailto:foo@bar.baz")).toEqual(
|
||
null
|
||
);
|
||
|
||
// `tel` protocol (base URLs have no meaning and should yield `null`)
|
||
expect(createValidAbsoluteUrl("tel:+0123456789", null)).toEqual(
|
||
new URL("tel:+0123456789")
|
||
);
|
||
expect(createValidAbsoluteUrl("/foo", "tel:0123456789")).toEqual(null);
|
||
});
|
||
});
|
||
|
||
describe("PromiseCapability", function () {
|
||
it("should resolve with correct data", async function () {
|
||
const promiseCapability = new PromiseCapability();
|
||
expect(promiseCapability.settled).toEqual(false);
|
||
|
||
promiseCapability.resolve({ test: "abc" });
|
||
|
||
const data = await promiseCapability.promise;
|
||
expect(promiseCapability.settled).toEqual(true);
|
||
expect(data).toEqual({ test: "abc" });
|
||
});
|
||
|
||
it("should reject with correct reason", async function () {
|
||
const promiseCapability = new PromiseCapability();
|
||
expect(promiseCapability.settled).toEqual(false);
|
||
|
||
promiseCapability.reject(new Error("reason"));
|
||
|
||
try {
|
||
await promiseCapability.promise;
|
||
|
||
// Shouldn't get here.
|
||
expect(false).toEqual(true);
|
||
} catch (reason) {
|
||
expect(promiseCapability.settled).toEqual(true);
|
||
expect(reason instanceof Error).toEqual(true);
|
||
expect(reason.message).toEqual("reason");
|
||
}
|
||
});
|
||
});
|
||
|
||
describe("getModificationDate", function () {
|
||
it("should get a correctly formatted date", function () {
|
||
const date = new Date(Date.UTC(3141, 5, 9, 2, 6, 53));
|
||
expect(getModificationDate(date)).toEqual("31410609020653");
|
||
});
|
||
});
|
||
});
|