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const { copy, test } = Deno;
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");
});
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