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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
import { runLengthDecode, runLengthEncode } from "./_run_length.ts";import { assertEquals, assertThrows } from "../assert/mod.ts";
const runLengthTestCases: {  list: number[];  compressed: { d: string; r: string };  testName: string;}[] = [  {    list: [1, 2, 3, 4, 5],    compressed: { d: "AQIDBAU=", r: "AQEBAQE=" },    testName: "return expected value if input is normal value",  },  {    list: [1, 1, 1, 1],    compressed: { d: "AQ==", r: "BA==" },    testName: "return expected value if input includes an continuous value",  },  {    list: [],    compressed: { d: "", r: "" },    testName: "return expected value if input is empty",  },];
Deno.test("runLengthEncode()", async (t) => {  for (const { list, compressed, testName } of runLengthTestCases) {    await t.step(`runLengthEncode() ${testName}`, () => {      const encoded = runLengthEncode(list);      assertEquals(encoded, compressed);    });  }
  await t.step(    `runLengthEncode() throw an error if input is an array containing more than 256 numbers`,    () => {      assertThrows(() => runLengthEncode([1, 2, 3, 256]));    },  );
  await t.step(    `runLengthEncode() throw an error if the input is an array longer than 256`,    () => {      assertThrows(() =>        runLengthEncode([...Array.from({ length: 256 }, () => 0)])      );    },  );});
Deno.test("runLengthDecode()", async (t) => {  for (const { list, compressed, testName } of runLengthTestCases) {    await t.step(`runLengthDecode() ${testName}`, () => {      const decoded = runLengthDecode(compressed);      assertEquals(decoded, new Uint8Array(list));    });  }
  await t.step(`runLengthDecode() throw an error if input is wrong`, () => {    assertThrows(() => runLengthDecode({ d: "wrong", r: "wrong" }));  });});