test: add deno test

Author: gfx

package.json

@@ -22,6 +22,7 @@
     "test:cover": "npm run cover:clean && npm-run-all 'test:cover:*' && npm run cover:report",
     "test:cover:purejs": "npx nyc --no-clean npm run test:purejs",
     "test:cover:te": "npx nyc --no-clean npm run test:te",
+    "test:deno": "deno test test/deno_test.ts",
     "cover:clean": "rimraf .nyc_output coverage/",
     "cover:report": "npx nyc report --reporter=text-summary --reporter=html --reporter=json",
     "test:browser": "karma start --single-run",

test/deno_test.ts

@@ -0,0 +1,13 @@
+#!/usr/bin/env deno run
+
+/* eslint-disable */
+import {
+  assertEquals,
+} from "https://deno.land/std/testing/asserts.ts";
+import * as msgpack from "../dist.es5+esm/index.mjs";
+
+Deno.test("Hello, world!", () => {
+  const encoded = msgpack.encode("Hello, world!");
+  const decoded = msgpack.decode(encoded);
+  assertEquals(decoded, "Hello, world!");
+});