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// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
const { remove, test } = Deno;
import { assert, assertEquals } from "../testing/asserts.ts";
import * as path from "../path/mod.ts";
import { copyBytes, tempFile } from "./util.ts";
test(function testCopyBytes(): void {
const dst = new Uint8Array(4);
dst.fill(0);
let src = Uint8Array.of(1, 2);
let len = copyBytes(dst, src, 0);
assert(len === 2);
assertEquals(dst, Uint8Array.of(1, 2, 0, 0));
dst.fill(0);
src = Uint8Array.of(1, 2);
len = copyBytes(dst, src, 1);
assert(len === 2);
assertEquals(dst, Uint8Array.of(0, 1, 2, 0));
dst.fill(0);
src = Uint8Array.of(1, 2, 3, 4, 5);
len = copyBytes(dst, src);
assert(len === 4);
assertEquals(dst, Uint8Array.of(1, 2, 3, 4));
dst.fill(0);
src = Uint8Array.of(1, 2);
len = copyBytes(dst, src, 100);
assert(len === 0);
assertEquals(dst, Uint8Array.of(0, 0, 0, 0));
dst.fill(0);
src = Uint8Array.of(3, 4);
len = copyBytes(dst, src, -2);
assert(len === 2);
assertEquals(dst, Uint8Array.of(3, 4, 0, 0));
});
test(async function ioTempfile(): Promise<void> {
const f = await tempFile(".", {
prefix: "prefix-",
postfix: "-postfix"
});
console.log(f.file, f.filepath);
const base = path.basename(f.filepath);
assert(!!base.match(/^prefix-.+?-postfix$/));
await remove(f.filepath);
});
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