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// Copyright 2023-latest Tomoki Miyauchi. All rights reserved. MIT license.
import { curryR, interpolate, isInRange, memoize } from "./deps.ts";import {  assert,  assertEquals,  assertSpyCalls,  assertThrows,  describe,  it,  spy,} from "./_dev_deps.ts";
describe("isInRange", () => {  it("should return true if number", () => {    assert(isInRange(10, [1, 10]));  });
  it("should return true if date", () => {    assert(      isInRange(new Date("2000/1/1"), [        new Date("1999/1/1"),        new Date("2001/1/1"),      ]),    );  });
  it("should throw error if range is invalid", () => {    assertThrows(() => isInRange(0, [0, -1]));  });});
describe("interpolate", () => {  it("should return injected string with type safe", () => {    assertEquals(interpolate("0{0}{1}1", ["ab", "cd"]), "0abcd1");    assertEquals(      interpolate("0{0}{1}{0}{1}1", ["ab", "cd", "ef"]),      "0abcdabcd1",    );  });
  it("should not replace", () => {    assertEquals(interpolate<string>("0{0}{1}1", {}), "0{0}{1}1");  });
  it("should change delimiter", () => {    assertEquals(      interpolate("0{0}[1]1", { 1: Symbol() }, { prefix: "[", suffix: "]" }),      "0{0}Symbol()1",    );  });});
describe("memoize", () => {  it("should return cached function", () => {    const obj = {};    const fn = spy(() => obj);    const memo = memoize(fn);
    assertEquals(memo(), obj);    assertEquals(memo(), obj);    assertEquals(memo(), obj);
    assertSpyCalls(fn, 1);  });});
describe("curryR", () => {  it("should return right curried function", () => {    const fn = spy((a: string, b: string, c: string) => a + b + c);
    assertEquals(curryR(fn, "a")("b", "c"), "bca");    assertEquals(curryR(fn, "a", "b")("c"), "cba");  });});