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import {  assertEquals,} from "./deps.ts";import { Accepts } from "../mod.ts";
const { test } = Deno;
test("accepts.charsets() with no arguments when Accept-Charset is populated should return accepted types", function () {  const header = createRequest("utf-8, iso-8859-1;q=0.2, utf-7;q=0.5");  const accept = new Accepts(header);  assertEquals(accept.charsets(), ["utf-8", "utf-7", "iso-8859-1"]);});
test("accepts.charsets() when Accept-Charset is not in request should return *", function () {  const header = createRequest();  const accept = new Accepts(header);  assertEquals(accept.charsets(), ["*"]);});
test("accepts.charsets() when Accept-Charset is empty should return an empty array", function () {  const header = createRequest("");  const accept = new Accepts(header);  assertEquals(accept.charsets(), []);});
test("accepts.charsets() with multiple arguments when Accept-Charset is populated if any types match should return the best fit", function () {  const header = createRequest("utf-8, iso-8859-1;q=0.2, utf-7;q=0.5");  const accept = new Accepts(header);  assertEquals(accept.charsets(["utf-7", "utf-8"]), "utf-8");});
test("accepts.charsets() with multiple arguments when Accept-Charset is populated if no types match should return []", function () {  const header = createRequest("utf-8, iso-8859-1;q=0.2, utf-7;q=0.5");  const accept = new Accepts(header);  assertEquals(accept.charsets(["utf-16"]), false);});
test("accepts.charsets() with multiple arguments when Accept-Charset is populated when Accept-Charset is not populated should return the first type", function () {  const header = createRequest();  const accept = new Accepts(header);  assertEquals(accept.charsets(["utf-7", "utf-8"]), "utf-7");});
test("accepts.charsets() with an array should return the best fit", function () {  const header = createRequest("utf-8, iso-8859-1;q=0.2, utf-7;q=0.5");  const accept = new Accepts(header);  assertEquals(accept.charsets(["utf-7", "utf-8"]), "utf-8");});
function createRequest(charset?: string) {  const header = new Headers();  if (charset !== undefined) {    header.set("accept-charset", charset);  }  return header;}