// noinspection JSMismatchedCollectionQueryUpdate

import "@reapptor/ts-linq";

describe("max", () => {

// Test checks if the method returns the maximum value based on the specified callback,

// which in this case is the 'age' property of each object in the array.

test("should return the maximum value based on the specified callback", () => {

const items: {name: string, age: number}[] = [

{ name: "Marry", age: 30 },

{ name: "Rob", age: 25 },

{ name: "Billy", age: 35 },

{ name: "Michael", age: 40 },

];

const result: {name: string, age: number} = items.max((item) => item.age);

expect(result).toEqual({ name: "Michael", age: 40 });

});

// Test checks if the method returns the maximum value of an array of numbers if no callback is specified.

test("should return the maximum value if no callback is specified", () => {

const items: number[] = [3, 6, 2, 8, 1];

const result = items.max(null);

expect(result).toEqual(8);

});

// Test checks if the method throws an error when the input array is empty.

test("should throw an error if the input array is empty", () => {

const items: number[] = [];

expect(() => items.max(null)).toThrow();

});

});