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const { test } = Deno;
import { bench, runBenchmarks, BenchmarkRunError } from "./bench.ts";
import {
assertEquals,
assert,
assertThrows,
assertThrowsAsync,
} from "./asserts.ts";
test({
name: "benching",
fn: async function (): Promise<void> {
bench(function forIncrementX1e9(b): void {
b.start();
for (let i = 0; i < 1e9; i++);
b.stop();
});
bench(function forDecrementX1e9(b): void {
b.start();
for (let i = 1e9; i > 0; i--);
b.stop();
});
bench(async function forAwaitFetchDenolandX10(b): Promise<void> {
b.start();
for (let i = 0; i < 10; i++) {
const r = await fetch("https://deno.land/");
await r.text();
}
b.stop();
});
bench(async function promiseAllFetchDenolandX10(b): Promise<void> {
const urls = new Array(10).fill("https://deno.land/");
b.start();
await Promise.all(
urls.map(
async (denoland: string): Promise<void> => {
const r = await fetch(denoland);
await r.text();
}
)
);
b.stop();
});
bench({
name: "runs100ForIncrementX1e6",
runs: 100,
func(b): void {
b.start();
for (let i = 0; i < 1e6; i++);
b.stop();
},
});
bench(function throwing(b): void {
b.start();
// Throws bc the timer's stop method is never called
});
const benchResult = await runBenchmarks({ skip: /throw/ });
assertEquals(benchResult.measured, 5);
assertEquals(benchResult.filtered, 1);
assertEquals(benchResult.results.length, 5);
const resultWithMultipleRunsFiltered = benchResult.results.filter(
(r) => r.name === "runs100ForIncrementX1e6"
);
assertEquals(resultWithMultipleRunsFiltered.length, 1);
const resultWithMultipleRuns = resultWithMultipleRunsFiltered[0];
assert(!!resultWithMultipleRuns.runsCount);
assert(!!resultWithMultipleRuns.runsAvgMs);
assert(!!resultWithMultipleRuns.runsMs);
assertEquals(resultWithMultipleRuns.runsCount, 100);
assertEquals(resultWithMultipleRuns.runsMs!.length, 100);
},
});
test({
name: "benchWithoutName",
fn() {
assertThrows(
(): void => {
bench(() => {});
},
Error,
"The benchmark function must not be anonymous"
);
},
});
test({
name: "benchWithoutStop",
fn: async function (): Promise<void> {
await assertThrowsAsync(
async (): Promise<void> => {
bench(function benchWithoutStop(b): void {
b.start();
// Throws bc the timer's stop method is never called
});
await runBenchmarks({ only: /benchWithoutStop/, silent: true });
},
BenchmarkRunError,
"The benchmark timer's stop method must be called"
);
},
});
test({
name: "benchWithoutStart",
fn: async function (): Promise<void> {
await assertThrowsAsync(
async (): Promise<void> => {
bench(function benchWithoutStart(b): void {
b.stop();
// Throws bc the timer's start method is never called
});
await runBenchmarks({ only: /benchWithoutStart/, silent: true });
},
BenchmarkRunError,
"The benchmark timer's start method must be called"
);
},
});
test({
name: "benchStopBeforeStart",
fn: async function (): Promise<void> {
await assertThrowsAsync(
async (): Promise<void> => {
bench(function benchStopBeforeStart(b): void {
b.stop();
b.start();
// Throws bc the timer's stop is called before start
});
await runBenchmarks({ only: /benchStopBeforeStart/, silent: true });
},
BenchmarkRunError,
"The benchmark timer's start method must be called before its stop method"
);
},
});
|
