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// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.import * as perfHooks from "./perf_hooks.ts";import { performance } from "./perf_hooks.ts";import { assertEquals } from "../testing/asserts.ts";import { assertSpyCall, assertSpyCalls, spy } from "../testing/mock.ts";
Deno.test({  name: "[perf_hooks] performance",  fn() {    assertEquals(perfHooks.performance.measure, performance.measure);    assertEquals(perfHooks.performance.clearMarks, performance.clearMarks);    assertEquals(perfHooks.performance.mark, performance.mark);    assertEquals(perfHooks.performance.now, performance.now);    assertEquals(perfHooks.performance.toJSON, performance.toJSON);    perfHooks.performance.measure("test");    perfHooks.performance.mark("test");    perfHooks.performance.clearMarks("test");    perfHooks.performance.now();    perfHooks.performance.toJSON();  },});
Deno.test({  name: "[perf_hooks] performance destructured",  fn() {    performance.measure("test");    performance.mark("test");    performance.clearMarks("test");    performance.now();    performance.toJSON();  },});
Deno.test({  name: "[perf_hooks] PerformanceEntry",  fn() {    assertEquals<unknown>(perfHooks.PerformanceEntry, PerformanceEntry);  },});
Deno.test({  name: "[perf_hooks] EventTarget methods",  fn() {    const handler = spy();    performance.addEventListener("event", handler);    assertSpyCalls(handler, 0);    const e = new Event("event");    performance.dispatchEvent(e);    // handler is called once    assertSpyCalls(handler, 1);    assertSpyCall(handler, 0, { args: [e] });    performance.removeEventListener("event", handler);    performance.dispatchEvent(e);    // handler is not called anymore    assertSpyCalls(handler, 1);  },});