deno.land / std@0.166.0 / io / readers_test.ts

readers_test.ts
نووسراو ببینە
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.import { assertEquals } from "../testing/asserts.ts";import { LimitedReader, MultiReader, StringReader } from "./readers.ts";import { StringWriter } from "./writers.ts";import { copyN } from "./util.ts";import { copy, readAll } from "../streams/conversion.ts";
Deno.test("ioStringReader", async function () { const r = new StringReader("abcdef"); const res0 = await r.read(new Uint8Array(6)); assertEquals(res0, 6); const res1 = await r.read(new Uint8Array(6)); assertEquals(res1, null);});
Deno.test("ioStringReader", async function () { const decoder = new TextDecoder(); const r = new StringReader("abcdef"); const buf = new Uint8Array(3); const res1 = await r.read(buf); assertEquals(res1, 3); assertEquals(decoder.decode(buf), "abc"); const res2 = await r.read(buf); assertEquals(res2, 3); assertEquals(decoder.decode(buf), "def"); const res3 = await r.read(buf); assertEquals(res3, null); assertEquals(decoder.decode(buf), "def");});
Deno.test("ioMultiReader", async function () { const r = new MultiReader([new StringReader("abc"), new StringReader("def")]); const w = new StringWriter(); const n = await copyN(r, w, 4); assertEquals(n, 4); assertEquals(w.toString(), "abcd"); await copy(r, w); assertEquals(w.toString(), "abcdef");});
Deno.test("ioLimitedReader", async function () { const decoder = new TextDecoder(); let sr = new StringReader("abc"); let r = new LimitedReader(sr, 2); let buffer = await readAll(r); assertEquals(decoder.decode(buffer), "ab"); assertEquals(decoder.decode(await readAll(sr)), "c"); sr = new StringReader("abc"); r = new LimitedReader(sr, 3); buffer = await readAll(r); assertEquals(decoder.decode(buffer), "abc"); assertEquals((await readAll(r)).length, 0); sr = new StringReader("abc"); r = new LimitedReader(sr, 4); buffer = await readAll(r); assertEquals(decoder.decode(buffer), "abc"); assertEquals((await readAll(r)).length, 0);});
Deno.test("ioLimitedReader", async function () { const rb = new StringReader("abc"); const wb = new StringWriter(); await copy(new LimitedReader(rb, -1), wb); assertEquals(wb.toString(), "");});
std
Deno standard library
GitHub Repositorydenoland/deno_std
GitHub Stars
2448

Version Info

Tagged at
2 months ago