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// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
import { assert } from "../testing/asserts.ts";import { timingSafeEqual } from "./timing_safe_equal.ts";
Deno.test({  name: "[timingSafeEqual] - ArrayBuffer comparison - equal",  fn() {    const a = new ArrayBuffer(2);    const va = new DataView(a);    va.setUint8(0, 212);    va.setUint8(1, 213);    const b = new ArrayBuffer(2);    const vb = new DataView(b);    vb.setUint8(0, 212);    vb.setUint8(1, 213);    assert(timingSafeEqual(a, b));  },});
Deno.test({  name: "[timingSafeEqual] - ArrayBuffer comparison - not equal",  fn() {    const a = new ArrayBuffer(2);    const va = new DataView(a);    va.setUint8(0, 212);    va.setUint8(1, 213);    const b = new ArrayBuffer(2);    const vb = new DataView(b);    vb.setUint8(0, 212);    vb.setUint8(1, 212);    assert(!timingSafeEqual(a, b));  },});
Deno.test({  name: "[timingSafeEqual] - Uint8Array comparison - equal",  fn() {    const a = new Uint8Array([212, 213]);    const b = new Uint8Array([212, 213]);    assert(timingSafeEqual(a, b));  },});
Deno.test({  name: "[timingSafeEqual] - Uint8Array comparison - not equal",  fn() {    const a = new Uint8Array([212, 213]);    const b = new Uint8Array([212, 212]);    assert(!timingSafeEqual(a, b));  },});
Deno.test({  name: "[timingSafeEqual] - Uint8Array comparison #2 - equal",  fn() {    const encoder = new TextEncoder();    const a = encoder.encode("hello deno");    const b = encoder.encode("hello deno");    assert(timingSafeEqual(a, b));  },});
Deno.test({  name: "[timingSafeEqual] - Uint8Array comparison #2 - not equal",  fn() {    const encoder = new TextEncoder();    const a = encoder.encode("hello deno");    const b = encoder.encode("hello Deno");    assert(!timingSafeEqual(a, b));  },});
Deno.test({  name: "[timingSafeEqual] - Uint8Array w. different buffer sizes (a > b)",  fn() {    const a = new SharedArrayBuffer(4);    const va = new DataView(a);    va.setUint8(0, 212);    va.setUint8(1, 213);    const ua = new Uint8Array(a, 0, 2);
    const b = new SharedArrayBuffer(2);    const vb = new DataView(b);    vb.setUint8(0, 212);    vb.setUint8(1, 213);    const ub = new Uint8Array(b, 0, 2);
    assert(timingSafeEqual(ua, ub));
    vb.setUint8(0, 214);    vb.setUint8(1, 215);
    assert(!timingSafeEqual(ua, ub));  },});
Deno.test({  name: "[timingSafeEqual] - Uint8Array w. different buffer sizes (b > a)",  fn() {    const a = new SharedArrayBuffer(2);    const va = new DataView(a);    va.setUint8(0, 212);    va.setUint8(1, 213);    const ua = new Uint8Array(a, 0, 2);
    const b = new SharedArrayBuffer(4);    const vb = new DataView(b);    vb.setUint8(0, 212);    vb.setUint8(1, 213);    const ub = new Uint8Array(b, 0, 2);
    assert(timingSafeEqual(ua, ub));
    vb.setUint8(0, 214);    vb.setUint8(1, 215);
    assert(!timingSafeEqual(ua, ub));  },});
Deno.test({  name: "[timingSafeEqual] - Uint8Array w. non-0 byteOffset",  fn() {    const a = new SharedArrayBuffer(4);    const va = new DataView(a);    va.setUint8(1, 212);    va.setUint8(2, 213);    const ua = new Uint8Array(a, 1, 2);
    const b = new SharedArrayBuffer(4);    const vb = new DataView(b);    vb.setUint8(2, 212);    vb.setUint8(3, 213);    const ub = new Uint8Array(b, 2, 2);
    assert(timingSafeEqual(ua, ub));
    vb.setUint8(1, 214);    vb.setUint8(2, 215);
    assert(!timingSafeEqual(ua, ub));  },});