import { describe, expect, test } from "vitest";
import { areEqual } from "./reduce";

describe("areEqual", () => {
  test.each([
    ["hello", "hello", true],
    ["hello", "hi", false],
    [123, 123, true],
    [123, 456, false],
    [true, true, true],
    [false, false, true],
    [true, false, false],
    [null, null, true],
    [undefined, undefined, true],
    [null, undefined, false],
    [NaN, NaN, false],
    [NaN, 7, false],
    [[], [], true],
    [[1], [1], true],
    [[1], [2], false],
    [[1], [1, 2], false],
    [[1, 2], [1, 2], true],
    [{}, {}, true],
    [{ a: "123" }, { a: "123" }, true],
    [{ a: "123" }, { a: "456" }, false],
    [{ a: "123" }, { b: "123" }, false],
    [{ a: "123", b: "456" }, { a: "123", b: "456" }, true],
    [{ a: "123", b: "456" }, { a: "123" }, false],
    [{ a: "123" }, { a: "123", b: "456" }, false],
    [{ a: "123", b: "456" }, { a: "123", b: "789" }, false],
    [{ a: "123", __typeName: "Thing" }, { a: "123", __typeName: "" }, true],
    [{ a: "123", __typeName: "Thing" }, { a: "123" }, true],
    [{ a: "123", __typeName: "Thing" }, { a: "456" }, false],
  ])("%s and %s: %s", (a, b, actual) => {
    expect(areEqual(a, b)).toBe(actual);
  });
});