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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
// This file is copied from `std/assert`.
import { assert, assertFalse, assertThrows } from "../assert/mod.ts";import { equal } from "./_equal.ts";
Deno.test("equal() matches with different zero", () => {  assert(equal(0, -0));  assert(equal(0, +0));  assert(equal(+0, -0));  assert(equal([0], [-0]));  assert(equal(["hello", 12.21, 0], ["hello", 12.21, -0]));  assert(equal(["hello", 12.21, 0], ["hello", 12.21, +0]));  assert(equal(["hello", 12.21, -0], ["hello", 12.21, +0]));  assert(equal({ msg: "hello", case: 0 }, { msg: "hello", case: -0 }));  assert(equal({ msg: "hello", array: [0] }, { msg: "hello", array: [-0] }));});
Deno.test("equal() matches when values are equal", function () {  assert(equal("world", "world"));  assert(!equal("hello", "world"));  assertFalse(equal("hello", "world"));  assert(equal(5, 5));  assert(!equal(5, 6));  assertFalse(equal(5, 6));  assert(equal(NaN, NaN));  assert(equal({ hello: "world" }, { hello: "world" }));  assert(!equal({ world: "hello" }, { hello: "world" }));  assertFalse(equal({ world: "hello" }, { hello: "world" }));  assert(    equal(      { hello: "world", hi: { there: "everyone" } },      { hello: "world", hi: { there: "everyone" } },    ),  );  assert(    !equal(      { hello: "world", hi: { there: "everyone" } },      { hello: "world", hi: { there: "everyone else" } },    ),  );  assertFalse(    equal(      { hello: "world", hi: { there: "everyone" } },      { hello: "world", hi: { there: "everyone else" } },    ),  );  assert(equal({ [Symbol.for("foo")]: "bar" }, { [Symbol.for("foo")]: "bar" }));  assert(!equal({ [Symbol("foo")]: "bar" }, { [Symbol("foo")]: "bar" }));  assertFalse(equal({ [Symbol("foo")]: "bar" }, { [Symbol("foo")]: "bar" }));
  assert(equal(/deno/, /deno/));  assert(!equal(/deno/, /node/));  assertFalse(equal(/deno/, /node/));  assert(equal(new Date(2019, 0, 3), new Date(2019, 0, 3)));  assert(!equal(new Date(2019, 0, 3), new Date(2019, 1, 3)));  assertFalse(equal(new Date(2019, 0, 3), new Date(2019, 1, 3)));  assert(    !equal(      new Date(2019, 0, 3, 4, 20, 1, 10),      new Date(2019, 0, 3, 4, 20, 1, 20),    ),  );  assertFalse(    equal(      new Date(2019, 0, 3, 4, 20, 1, 10),      new Date(2019, 0, 3, 4, 20, 1, 20),    ),  );  assert(equal(new Date("Invalid"), new Date("Invalid")));  assert(!equal(new Date("Invalid"), new Date(2019, 0, 3)));  assertFalse(equal(new Date("Invalid"), new Date(2019, 0, 3)));  assert(!equal(new Date("Invalid"), new Date(2019, 0, 3, 4, 20, 1, 10)));  assertFalse(equal(new Date("Invalid"), new Date(2019, 0, 3, 4, 20, 1, 10)));  assert(equal(new Set([1]), new Set([1])));  assert(!equal(new Set([1]), new Set([2])));  assertFalse(equal(new Set([1]), new Set([2])));  assert(equal(new Set([1, 2, 3]), new Set([3, 2, 1])));  assert(equal(new Set([1, new Set([2, 3])]), new Set([new Set([3, 2]), 1])));  assert(!equal(new Set([1, 2]), new Set([3, 2, 1])));  assertFalse(equal(new Set([1, 2]), new Set([3, 2, 1])));  assert(!equal(new Set([1, 2, 3]), new Set([4, 5, 6])));  assertFalse(equal(new Set([1, 2, 3]), new Set([4, 5, 6])));  assert(equal(new Set("denosaurus"), new Set("denosaurussss")));  assert(equal(new Map(), new Map()));  assert(    equal(      new Map([        ["foo", "bar"],        ["baz", "baz"],      ]),      new Map([        ["foo", "bar"],        ["baz", "baz"],      ]),    ),  );  assert(    equal(      new Map([["foo", new Map([["bar", "baz"]])]]),      new Map([["foo", new Map([["bar", "baz"]])]]),    ),  );  assert(    equal(      new Map([["foo", { bar: "baz" }]]),      new Map([["foo", { bar: "baz" }]]),    ),  );  assert(    equal(      new Map([        ["foo", "bar"],        ["baz", "qux"],      ]),      new Map([        ["baz", "qux"],        ["foo", "bar"],      ]),    ),  );  assert(equal(new Map([["foo", ["bar"]]]), new Map([["foo", ["bar"]]])));  assert(!equal(new Map([["foo", "bar"]]), new Map([["bar", "baz"]])));  assertFalse(equal(new Map([["foo", "bar"]]), new Map([["bar", "baz"]])));  assertFalse(equal(new Map([["foo", "bar"]]), new Map([["bar", "baz"]])));  assert(    !equal(      new Map([["foo", "bar"]]),      new Map([        ["foo", "bar"],        ["bar", "baz"],      ]),    ),  );  assertFalse(    equal(      new Map([["foo", "bar"]]),      new Map([        ["foo", "bar"],        ["bar", "baz"],      ]),    ),  );  assert(    !equal(      new Map([["foo", new Map([["bar", "baz"]])]]),      new Map([["foo", new Map([["bar", "qux"]])]]),    ),  );  assert(equal(new Map([[{ x: 1 }, true]]), new Map([[{ x: 1 }, true]])));  assert(!equal(new Map([[{ x: 1 }, true]]), new Map([[{ x: 1 }, false]])));  assertFalse(equal(new Map([[{ x: 1 }, true]]), new Map([[{ x: 1 }, false]])));  assert(!equal(new Map([[{ x: 1 }, true]]), new Map([[{ x: 2 }, true]])));  assertFalse(equal(new Map([[{ x: 1 }, true]]), new Map([[{ x: 2 }, true]])));  assert(equal([1, 2, 3], [1, 2, 3]));  assert(equal([1, [2, 3]], [1, [2, 3]]));  assert(!equal([1, 2, 3, 4], [1, 2, 3]));  assertFalse(equal([1, 2, 3, 4], [1, 2, 3]));  assert(!equal([1, 2, 3, 4], [1, 2, 3]));  assertFalse(equal([1, 2, 3, 4], [1, 2, 3]));  assert(!equal([1, 2, 3, 4], [1, 4, 2, 3]));  assertFalse(equal([1, 2, 3, 4], [1, 4, 2, 3]));  assert(equal(new Uint8Array([1, 2, 3, 4]), new Uint8Array([1, 2, 3, 4])));  assert(!equal(new Uint8Array([1, 2, 3, 4]), new Uint8Array([2, 1, 4, 3])));  assertFalse(    equal(new Uint8Array([1, 2, 3, 4]), new Uint8Array([2, 1, 4, 3])),  );  assert(    equal(new URL("https://example.test"), new URL("https://example.test")),  );  assert(    !equal(      new URL("https://example.test"),      new URL("https://example.test/with-path"),    ),  );  assertFalse(    equal(      new URL("https://example.test"),      new URL("https://example.test/with-path"),    ),  );  assert(    equal({ a: undefined, b: undefined }, { a: undefined, c: undefined }),  );  assert(equal({ a: undefined, b: undefined }, { a: undefined }));  assertThrows(() => equal(new WeakMap(), new WeakMap()));  assertThrows(() => equal(new WeakSet(), new WeakSet()));  assert(!equal(new WeakMap(), new WeakSet()));  assertFalse(equal(new WeakMap(), new WeakSet()));  assert(    equal(new WeakRef({ hello: "world" }), new WeakRef({ hello: "world" })),  );  assert(    !equal(new WeakRef({ world: "hello" }), new WeakRef({ hello: "world" })),  );  assertFalse(    equal(new WeakRef({ world: "hello" }), new WeakRef({ hello: "world" })),  );  assert(!equal({ hello: "world" }, new WeakRef({ hello: "world" })));  assertFalse(equal({ hello: "world" }, new WeakRef({ hello: "world" })));  assert(    equal(      new WeakRef({ hello: "world" }),      new (class<T extends object> extends WeakRef<T> {})({ hello: "world" }),    ),  );  assert(    !equal(      new WeakRef({ hello: "world" }),      new (class<T extends object> extends WeakRef<T> {        foo = "bar";      })({ hello: "world" }),    ),  );  assertFalse(    equal(      new WeakRef({ hello: "world" }),      new (class<T extends object> extends WeakRef<T> {        foo = "bar";      })({ hello: "world" }),    ),  );
  assert(    equal(      new (class A {        #hello = "world";      })(),      new (class B {        #hello = "world";      })(),    ),  );});
Deno.test("equal() does not match with different instances", () => {  assert(!equal({}, []));  assert(!equal(/foo/, new Set()));  assert(!equal(new Set(), new Map()));  assert(!equal(null, 2));  assert(!equal(2, null));});
Deno.test("equal() does not match with different collection contents", () => {  assert(!equal(new Set([1]), new Set([2])));  assert(!equal(new Map([[1, 2]]), new Map([[2, 1]])));  assert(equal(new Map([[1, 2]]), new Map([[1, 2]])));});
Deno.test("equal() matches when values have circular references", () => {  const objA: { prop?: unknown } = {};  objA.prop = objA;  const objB: { prop?: unknown } = {};  objB.prop = objB;  assert(equal(objA, objB));
  const mapA = new Map();  mapA.set("prop", mapA);  const mapB = new Map();  mapB.set("prop", mapB);  assert(equal(mapA, mapB));});