/
perf_hooks_test.ts
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/
perf_hooks_test.ts
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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);
},
});