import { assertEquals } from "../assert/mod.ts";import { lastIndexOfNeedle } from "./last_index_of_needle.ts";
Deno.test("lastIndexOfNeedle1() handles repeating occurence", () => { const i = lastIndexOfNeedle( new Uint8Array([0, 1, 2, 0, 1, 2, 0, 1, 3]), new Uint8Array([0, 1, 2]), ); assertEquals(i, 3);});
Deno.test("lastIndexOfNeedle() handles single occurence", () => { const i = lastIndexOfNeedle( new Uint8Array([0, 1, 1]), new Uint8Array([0, 1]), ); assertEquals(i, 0);});
Deno.test("lastIndexOfNeedle() handles missing occurence", () => { const i = lastIndexOfNeedle(new Uint8Array(), new Uint8Array([0, 1])); assertEquals(i, -1);});
Deno.test("lastIndexOfNeedle() returns index of occurence after start", () => { const i = lastIndexOfNeedle( new Uint8Array([0, 1, 2, 0, 1, 2]), new Uint8Array([0, 1]), 2, ); assertEquals(i, 0);});
Deno.test("lastIndexOfNeedle() returns -1 with too small start", () => { const i = lastIndexOfNeedle( new Uint8Array([0, 1, 2, 0, 1, 2]), new Uint8Array([0, 1]), -1, ); assertEquals(i, -1);});
Deno.test("lastIndexOfNeedle() returns index if start is 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("lastIndexOfNeedle() returns -1 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);});