1
0
Fork 0
mirror of https://github.com/denoland/deno.git synced 2024-12-29 10:39:10 -05:00
denoland-deno/std/io/writers_test.ts
2019-10-09 17:10:09 -04:00

15 lines
521 B
TypeScript

const { copy } = Deno;
import { test } from "../testing/mod.ts";
import { assertEquals } from "../testing/asserts.ts";
import { StringWriter } from "./writers.ts";
import { StringReader } from "./readers.ts";
import { copyN } from "./ioutil.ts";
test(async function ioStringWriter(): Promise<void> {
const w = new StringWriter("base");
const r = new StringReader("0123456789");
await copyN(w, r, 4);
assertEquals(w.toString(), "base0123");
await copy(w, r);
assertEquals(w.toString(), "base0123456789");
});