feat: multipart, etc.. (denoland/deno_std#180)

Original: https://github.com/denoland/deno_std/commit/fda9c98d055091fa886fa444ebd1adcd2ecd21bc

1 files changed, 14 insertions, 0 deletions

diff --git a/io/writers_test.ts b/io/writers_test.ts
new file mode 100644
index 000000000..01388497c
--- /dev/null
+++ b/io/writers_test.ts
@@ -0,0 +1,14 @@
+import { assert, test } from "../testing/mod.ts";
+import { StringWriter } from "./writers.ts";
+import { StringReader } from "./readers.ts";
+import { copyN } from "./ioutil.ts";
+import { copy } from "deno";
+
+test(async function ioStringWriter() {
+  const w = new StringWriter("base");
+  const r = new StringReader("0123456789");
+  const n = await copyN(w, r, 4);
+  assert.equal(w.toString(), "base0123");
+  await copy(w, r);
+  assert.equal(w.toString(), "base0123456789");
+});