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import memoize from "./memoize.ts";import { assertEquals, assertThrows } from "testing/asserts.ts";import { assertSpyCalls, spy } from "testing/mock.ts";
Deno.test("memoize", () => {  const root = spy((n: number) => Math.sqrt(n));
  const memRoot = memoize(root);
  assertEquals(memRoot(9), 3);  assertSpyCalls(root, 1);
  assertEquals(memRoot(9), 3);  assertSpyCalls(root, 1);
  assertEquals(memRoot(16), 4);  assertSpyCalls(root, 2);
  assertEquals(memRoot(16), 4);  assertSpyCalls(root, 2);
  memRoot.cache.clear();  assertEquals(memRoot(9), 3);  assertSpyCalls(root, 3);
  assertEquals(memRoot(9), 3);  assertSpyCalls(root, 3);
  const effect = spy((n: number) => n);  const eff = memoize(effect, { key: (n) => n, limit: 1 });
  assertEquals(eff(1), 1);  assertSpyCalls(effect, 1);  assertEquals(eff(1), 1);  assertSpyCalls(effect, 1);  assertEquals(eff(2), 2);  assertSpyCalls(effect, 2);  assertEquals(eff(2), 2);  assertSpyCalls(effect, 2);  assertEquals(eff(1), 1);  assertSpyCalls(effect, 3);  assertEquals(eff(2), 2);  assertSpyCalls(effect, 4);  assertEquals(eff(1), 1);  assertSpyCalls(effect, 5);  assertEquals(eff(1), 1);  assertSpyCalls(effect, 5);
  const mem = memoize((n: number) => Math.sqrt(n), {    key: (n) => n,    weak: true,  });  {    // @ts-expect-error    const _cache: Map<any, any> = mem.cache;  }  {    const _cache: Map<any, any> = memRoot.cache;  }
  assertThrows(() =>    memoize((n: number) => Math.sqrt(n), {      key: (n) => n,      weak: true,      limit: 1,    })  );});