import {assert, _} from "spec.ts"
import {Immutable} from "../src/index"

test("types are ok", () => {
	// array in tuple
	{
		let val = _ as Immutable<[string[], 1]>
		assert(val, _ as readonly [ReadonlyArray<string>, 1])
	}

	// tuple in array
	{
		let val = _ as Immutable<[string, 1][]>
		assert(val, _ as ReadonlyArray<readonly [string, 1]>)
	}

	// tuple in tuple
	{
		let val = _ as Immutable<[[string, 1], 1]>
		assert(val, _ as readonly [readonly [string, 1], 1])
	}

	// array in array
	{
		let val = _ as Immutable<string[][]>
		assert(val, _ as ReadonlyArray<ReadonlyArray<string>>)
	}

	// tuple in object
	{
		let val = _ as Immutable<{a: [string, 1]}>
		assert(val, _ as {readonly a: readonly [string, 1]})
	}

	// object in tuple
	{
		let val = _ as Immutable<[{a: string}, 1]>
		assert(val, _ as readonly [{readonly a: string}, 1])
	}

	// array in object
	{
		let val = _ as Immutable<{a: string[]}>
		assert(val, _ as {readonly a: ReadonlyArray<string>})
	}

	// object in array
	{
		let val = _ as Immutable<Array<{a: string}>>
		assert(val, _ as ReadonlyArray<{readonly a: string}>)
	}

	// object in object
	{
		let val = _ as Immutable<{a: {b: string}}>
		assert(val, _ as {readonly a: {readonly b: string}})
	}

	expect(true).toBe(true)
})