import { memory } from "./memory"
import { Word, wordFromNumber, wordFromString } from "./word"

describe("memory", () => {
    test("can be created with an initial width", () => {
        const subject = memory(5)

        expect(subject.value().equals(wordFromString("00000"))).toBe(true)
    })

    test("can be created from a word", () => {
        const subject = memory(wordFromString("01010"))

        expect(subject.value().equals(wordFromString("01010"))).toBe(true)
    })

    test("can be updated with a new word", () => {
        const subject = memory(4)

        subject.set(wordFromString("1110") as Word<4>)

        expect(subject.value().equals(wordFromString("1110"))).toBe(true)
    })
})