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34 lines
1.2 KiB
TypeScript
34 lines
1.2 KiB
TypeScript
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
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import { assertEquals } from "@std/assert";
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import { LimitedReader } from "./limited_reader.ts";
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import { StringWriter } from "./string_writer.ts";
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import { copy } from "./copy.ts";
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import { readAll } from "./read_all.ts";
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import { StringReader } from "./string_reader.ts";
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Deno.test("ioLimitedReader", async function () {
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const decoder = new TextDecoder();
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let sr = new StringReader("abc");
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let r = new LimitedReader(sr, 2);
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let buffer = await readAll(r);
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assertEquals(decoder.decode(buffer), "ab");
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assertEquals(decoder.decode(await readAll(sr)), "c");
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sr = new StringReader("abc");
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r = new LimitedReader(sr, 3);
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buffer = await readAll(r);
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assertEquals(decoder.decode(buffer), "abc");
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assertEquals((await readAll(r)).length, 0);
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sr = new StringReader("abc");
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r = new LimitedReader(sr, 4);
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buffer = await readAll(r);
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assertEquals(decoder.decode(buffer), "abc");
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assertEquals((await readAll(r)).length, 0);
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});
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Deno.test("ioLimitedReader", async function () {
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const rb = new StringReader("abc");
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const wb = new StringWriter();
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await copy(new LimitedReader(rb, -1), wb);
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assertEquals(wb.toString(), "");
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});
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