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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
import { assert, assertEquals, assertThrows } from "../assert/mod.ts";
import { KeyStack } from "./unstable_keystack.ts";
Deno.test({  name: "KeyStack() throws on empty keys",  fn() {    assertThrows(      () => new KeyStack([]),      TypeError,      "keys must contain at least one value",    );  },});
Deno.test({  name: "keyStack.sign() handles single key",  async fn() {    const keys = ["hello"];    const keyStack = new KeyStack(keys);    const actual = await keyStack.sign("world");    const expected = "8ayXAutfryPKKRpNxG3t3u4qeMza8KQSvtdxTP_7HMQ";    assertEquals(actual, expected);  },});
Deno.test({  name: "keyStack.sign() handles two keys, first key used",  async fn() {    const keys = ["hello", "world"];    const keyStack = new KeyStack(keys);    const actual = await keyStack.sign("world");    const expected = "8ayXAutfryPKKRpNxG3t3u4qeMza8KQSvtdxTP_7HMQ";    assertEquals(actual, expected);  },});
Deno.test({  name: "keyStack.verify() handles single key",  async fn() {    const keys = ["hello"];    const keyStack = new KeyStack(keys);    const digest = await keyStack.sign("world");    assert(await keyStack.verify("world", digest));  },});
Deno.test({  name: "keyStack.verify() handles single key verify invalid",  async fn() {    const keys = ["hello"];    const keyStack = new KeyStack(keys);    const digest = await keyStack.sign("world");    assert(!await keyStack.verify("worlds", digest));  },});
Deno.test({  name: "keyStack.verify() handles two keys",  async fn() {    const keys = ["hello", "world"];    const keyStack = new KeyStack(keys);    const digest = await keyStack.sign("world");    assert(await keyStack.verify("world", digest));  },});
Deno.test({  name: "keyStack.verify() handles unshift key",  async fn() {    const keys = ["hello"];    const keyStack = new KeyStack(keys);    const digest = await keyStack.sign("world");    keys.unshift("world");    assertEquals(keys, ["world", "hello"]);    assert(await keyStack.verify("world", digest));  },});
Deno.test({  name: "keyStack.verify() handles shift key",  async fn() {    const keys = ["hello", "world"];    const keyStack = new KeyStack(keys);    const digest = await keyStack.sign("world");    assertEquals(keys.shift(), "hello");    assertEquals(keys, ["world"]);    assert(!await keyStack.verify("world", digest));  },});
Deno.test({  name: "keyStack.indexOf() handles single key",  async fn() {    const keys = ["hello"];    const keyStack = new KeyStack(keys);    assertEquals(      await keyStack.indexOf(        "world",        "8ayXAutfryPKKRpNxG3t3u4qeMza8KQSvtdxTP_7HMQ",      ),      0,    );  },});
Deno.test({  name: "keyStack.indexOf() handles two keys index 0",  async fn() {    const keys = ["hello", "world"];    const keyStack = new KeyStack(keys);    assertEquals(      await keyStack.indexOf(        "world",        "8ayXAutfryPKKRpNxG3t3u4qeMza8KQSvtdxTP_7HMQ",      ),      0,    );  },});
Deno.test({  name: "keyStack.indexOf() handles two keys index 1",  async fn() {    const keys = ["world", "hello"];    const keyStack = new KeyStack(keys);    assertEquals(      await keyStack.indexOf(        "world",        "8ayXAutfryPKKRpNxG3t3u4qeMza8KQSvtdxTP_7HMQ",      ),      1,    );  },});
Deno.test({  name: "keyStack.indexOf() handles two keys not found",  async fn() {    const keys = ["world", "hello"];    const keyStack = new KeyStack(keys);    assertEquals(      await keyStack.indexOf(        "hello",        "8ayXAutfryPKKRpNxG3t3u4qeMza8KQSvtdxTP_7HMQ",      ),      -1,    );  },});
Deno.test({  name: "keyStack.verify() handles number array key",  async fn() {    const keys = [[212, 213]];    const keyStack = new KeyStack(keys);    assert(await keyStack.verify("hello", await keyStack.sign("hello")));  },});
Deno.test({  name: "keyStack.verify() handles Uint8Array key",  async fn() {    const keys = [new Uint8Array([212, 213])];    const keyStack = new KeyStack(keys);    assert(await keyStack.verify("hello", await keyStack.sign("hello")));  },});
Deno.test({  name: "verify() handles ArrayBuffer key",  async fn() {    const key = new ArrayBuffer(2);    const dataView = new DataView(key);    dataView.setInt8(0, 212);    dataView.setInt8(1, 213);    const keys = [key];    const keyStack = new KeyStack(keys);    assert(await keyStack.verify("hello", await keyStack.sign("hello")));  },});
Deno.test({  name: "verify() handles number array data",  async fn() {    const keys = [[212, 213]];    const keyStack = new KeyStack(keys);    assert(await keyStack.verify([212, 213], await keyStack.sign([212, 213])));  },});
Deno.test({  name: "verify() handles Uint8Array data",  async fn() {    const keys = [[212, 213]];    const keyStack = new KeyStack(keys);    assert(      await keyStack.verify(        new Uint8Array([212, 213]),        await keyStack.sign(new Uint8Array([212, 213])),      ),    );  },});
Deno.test({  name: "verify() handles ArrayBuffer data",  async fn() {    const keys = [[212, 213]];    const keyStack = new KeyStack(keys);    const data1 = new ArrayBuffer(2);    const dataView1 = new DataView(data1);    dataView1.setInt8(0, 212);    dataView1.setInt8(1, 213);    const data2 = new ArrayBuffer(2);    const dataView2 = new DataView(data2);    dataView2.setInt8(0, 212);    dataView2.setInt8(1, 213);    assert(await keyStack.verify(data2, await keyStack.sign(data1)));  },});
Deno.test({  name: "verify() handles user iterable keys",  async fn() {    const keys = new Set(["hello", "world"]);    const keyStack = new KeyStack(keys);    const actual = await keyStack.sign("world");    const expected = "8ayXAutfryPKKRpNxG3t3u4qeMza8KQSvtdxTP_7HMQ";    assertEquals(actual, expected);  },});
Deno.test({  name: "KeyStack() handles inspection in Deno",  fn() {    assertEquals(      Deno.inspect(new KeyStack(["abcdef"])),      `KeyStack { length: 1 }`,    );  },});
Deno.test({  name: "KeyStack() handles inspection in Node",  async fn() {    const { inspect } = await import("node:util");
    assertEquals(      inspect(new KeyStack(["abcdef"])),      `KeyStack { length: 1 }`,    );  },});