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GeezerVison is showing github.com — benchmark: add more cases to Readable.from · nodejs/node@8a89642

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benchmark/streams
- readable-from.js

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`‎benchmark/streams/readable-from.js‎`

Copy file name to clipboardExpand all lines: benchmark/streams/readable-from.js

+48-5Lines changed: 48 additions & 5 deletions

Original file line number	Diff line number	Diff line change
`@@ -5,15 +5,58 @@ const Readable = require('stream').Readable;`
`5`	`5`
`6`	`6`	`const bench = common.createBenchmark(main, {`
`7`	`7`	`n: [1e7],`
	`8`	`+ type: ['array', 'sync-generator-with-sync-values', 'sync-generator-with-async-values', 'async-generator'],`
`8`	`9`	`});`
`9`	`10`
`10`		`-async function main({ n }) {`
`11`		`- const arr = [];`
`12`		`- for (let i = 0; i < n; i++) {`
`13`		- arr.push(`${i}`);
	`11`	`+async function main({ n, type }) {`
	`12`	`+ let fromArg;`
	`13`	`+`
	`14`	`+ switch (type) {`
	`15`	`+ case 'array': {`
	`16`	`+ fromArg = [];`
	`17`	`+ for (let i = 0; i < n; i++) {`
	`18`	+ fromArg.push(`${i}`);
	`19`	`+ }`
	`20`	`+`
	`21`	`+ break;`
	`22`	`+ }`
	`23`	`+`
	`24`	`+ case 'sync-generator-with-sync-values': {`
	`25`	`+ fromArg = (function* () {`
	`26`	`+ for (let i = 0; i < n; i++) {`
	`27`	+ yield `${i}`;
	`28`	`+ }`
	`29`	`+ })();`
	`30`	`+`
	`31`	`+ break;`
	`32`	`+ }`
	`33`	`+`
	`34`	`+ case 'sync-generator-with-async-values': {`
	`35`	`+ fromArg = (function* () {`
	`36`	`+ for (let i = 0; i < n; i++) {`
	`37`	+ yield Promise.resolve(`${i}`);
	`38`	`+ }`
	`39`	`+ })();`
	`40`	`+`
	`41`	`+ break;`
	`42`	`+ }`
	`43`	`+`
	`44`	`+ case 'async-generator': {`
	`45`	`+ fromArg = (async function* () {`
	`46`	`+ for (let i = 0; i < n; i++) {`
	`47`	+ yield `${i}`;
	`48`	`+ }`
	`49`	`+ })();`
	`50`	`+`
	`51`	`+ break;`
	`52`	`+ }`
	`53`	`+`
	`54`	`+ default: {`
	`55`	+ throw new Error(`Unknown type: ${type}`);
	`56`	`+ }`
`14`	`57`	`}`
`15`	`58`
`16`		`- const s = new Readable.from(arr);`
	`59`	`+ const s = new Readable.from(fromArg);`
`17`	`60`
`18`	`61`	`bench.start();`
`19`	`62`	`s.on('data', (data) => {`

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