import { indexOfNeedle } from "./index_of_needle.ts";import { assertEquals } from "../assert/mod.ts";
Deno.test("indexOfNeedle() handles repeating occurence", () => { const i = indexOfNeedle( new Uint8Array([1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 3]), new Uint8Array([0, 1, 2]), ); assertEquals(i, 2);});
Deno.test("indexOfNeedle() handles single occurence", () => { const i = indexOfNeedle(new Uint8Array([0, 0, 1]), new Uint8Array([0, 1])); assertEquals(i, 1);});
Deno.test("indexOfNeedle() handles text encoded occurence", () => { const encoder = new TextEncoder(); const i = indexOfNeedle(encoder.encode("Deno"), encoder.encode("D")); assertEquals(i, 0);});
Deno.test("indexOfNeedle() handles missing occurence", () => { const i = indexOfNeedle(new Uint8Array(), new Uint8Array([0, 1])); assertEquals(i, -1);});
Deno.test("indexOfNeedle() returns index of occurence after start", () => { const i = indexOfNeedle( new Uint8Array([0, 1, 2, 0, 1, 2]), new Uint8Array([0, 1]), 1, ); assertEquals(i, 3);});
Deno.test("indexOfNeedle() returns -1 if occurence is before start", () => { const i = indexOfNeedle( new Uint8Array([0, 1, 2, 0, 1, 2]), new Uint8Array([0, 1]), 7, ); assertEquals(i, -1);});
Deno.test("indexOfNeedle() handles start index less than 0", () => { assertEquals( indexOfNeedle( new Uint8Array([0, 1, 2, 0, 1, 2]), new Uint8Array([0, 1]), 3, ), 3, ); assertEquals( indexOfNeedle( new Uint8Array([0, 1, 2, 1, 1, 2]), new Uint8Array([0, 1]), 3, ), -1, );});