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std/bytes/last_index_of_needle_test.ts

Deno standard library
denoland/deno_std
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// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.import { assertEquals } from "../testing/asserts.ts";import { lastIndexOfNeedle } from "./last_index_of_needle.ts";
Deno.test("[bytes] lastIndexOfNeedle1", () => {  const i = lastIndexOfNeedle(    new Uint8Array([0, 1, 2, 0, 1, 2, 0, 1, 3]),    new Uint8Array([0, 1, 2]),  );  assertEquals(i, 3);});
Deno.test("[bytes] lastIndexOfNeedle2", () => {  const i = lastIndexOfNeedle(    new Uint8Array([0, 1, 1]),    new Uint8Array([0, 1]),  );  assertEquals(i, 0);});
Deno.test("[bytes] lastIndexOfNeedle3", () => {  const i = lastIndexOfNeedle(new Uint8Array(), new Uint8Array([0, 1]));  assertEquals(i, -1);});
Deno.test("[bytes] lastIndexOfNeedle with start index", () => {  const i = lastIndexOfNeedle(    new Uint8Array([0, 1, 2, 0, 1, 2]),    new Uint8Array([0, 1]),    2,  );  assertEquals(i, 0);});
Deno.test("[bytes] lastIndexOfNeedle with start index 2", () => {  const i = lastIndexOfNeedle(    new Uint8Array([0, 1, 2, 0, 1, 2]),    new Uint8Array([0, 1]),    -1,  );  assertEquals(i, -1);});
Deno.test("[bytes] lastIndexOfNeedle with start index greater than source index", () => {  const i = lastIndexOfNeedle(    new Uint8Array([0, 1, 2, 0, 1, 2]),    new Uint8Array([0, 1]),    7,  );  assertEquals(i, 3);});
Deno.test("[bytes] lastIndexOfNeedle if needle doesn't exist within source", () => {  const i = lastIndexOfNeedle(    new Uint8Array([0, 1, 2, 0, 1, 2]),    new Uint8Array([2, 3]),  );  assertEquals(i, -1);});