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22 lines
760 B
TypeScript
22 lines
760 B
TypeScript
import { assertEquals } from "../testing/asserts.ts";
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import { StringWriter } from "./writers.ts";
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import { StringReader } from "./readers.ts";
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import { copyN } from "./ioutil.ts";
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Deno.test("ioStringWriter", async function (): Promise<void> {
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const w = new StringWriter("base");
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const r = new StringReader("0123456789");
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await copyN(r, w, 4);
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assertEquals(w.toString(), "base0123");
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await Deno.copy(r, w);
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assertEquals(w.toString(), "base0123456789");
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});
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Deno.test("ioStringWriterSync", function (): void {
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const encoder = new TextEncoder();
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const w = new StringWriter("");
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w.writeSync(encoder.encode("deno"));
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assertEquals(w.toString(), "deno");
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w.writeSync(encoder.encode("\nland"));
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assertEquals(w.toString(), "deno\nland");
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});
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