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authorRyan Dahl <ry@tinyclouds.org>2019-10-10 05:31:23 -0400
committerGitHub <noreply@github.com>2019-10-10 05:31:23 -0400
commite7562eed8c816cd0d97aab6b818d7c8453dbaa2b (patch)
treec5a9f536e79d2c8d2d02897511a9138acaf35394 /std/io/util_test.ts
parent3882c9d19a641e0c919f1350d87c6d7ee280cf78 (diff)
parent93f7f00c956c14620ef031626f124b57397ca867 (diff)
Merge deno_std in main repo (#3091)
The history of deno_std is persevered but rewritten to update links to issues and PRs Fixes denoland/deno_std#603
Diffstat (limited to 'std/io/util_test.ts')
m---------std0
-rw-r--r--std/io/util_test.ts51
2 files changed, 51 insertions, 0 deletions
diff --git a/std b/std
deleted file mode 160000
-Subproject 43aafbf33285753e7b42230f0eb7969b300f71c
diff --git a/std/io/util_test.ts b/std/io/util_test.ts
new file mode 100644
index 000000000..c616a4bba
--- /dev/null
+++ b/std/io/util_test.ts
@@ -0,0 +1,51 @@
+// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
+const { remove } = Deno;
+import { test } from "../testing/mod.ts";
+import { assert, assertEquals } from "../testing/asserts.ts";
+import { copyBytes, tempFile } from "./util.ts";
+import * as path from "../fs/path.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);
+});