64 lines
1.8 KiB
TypeScript
64 lines
1.8 KiB
TypeScript
import "reflect-metadata";
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import { describe, expect, it } from "vitest";
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import { Queue } from "@spt-aki/utils/collections/queue/Queue";
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describe("LinkedList", () =>
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{
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describe("enqueue", () =>
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{
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const queue = new Queue<number>();
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queue.enqueue(420);
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queue.enqueue(69);
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queue.enqueue(8008135);
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queue.enqueue(1337);
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it("adds elements to the end of the queue", () =>
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{
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expect(queue.peek()).toEqual(420);
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expect(queue.length).toEqual(4);
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});
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});
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describe("enqueueAll", () =>
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{
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const queue = new Queue<number>();
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queue.enqueueAll([420, 69, 8008135, 1337]);
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it("iterates the array and adds each element to the end of the queue", () =>
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{
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expect(queue.peek()).toEqual(420);
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expect(queue.length).toEqual(4);
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});
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});
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describe("dequeue", () =>
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{
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const queue = new Queue<number>();
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queue.enqueueAll([420, 69, 8008135, 1337]);
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it("removes the first element and return it's value", () =>
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{
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expect(queue.dequeue()).toEqual(420);
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expect(queue.peek()).toEqual(69);
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expect(queue.length).toEqual(3);
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expect(queue.dequeue()).toEqual(69);
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expect(queue.peek()).toEqual(8008135);
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expect(queue.length).toEqual(2);
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expect(queue.dequeue()).toEqual(8008135);
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expect(queue.peek()).toEqual(1337);
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expect(queue.length).toEqual(1);
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expect(queue.dequeue()).toEqual(1337);
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expect(queue.peek()).toEqual(undefined);
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expect(queue.length).toEqual(0);
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expect(queue.dequeue()).toEqual(undefined);
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expect(queue.peek()).toEqual(undefined);
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expect(queue.length).toEqual(0);
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});
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});
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});
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