add half-working client

client/tools.test.ts

@@ -1,5 +1,5 @@
 import { expect, test } from "bun:test";
-import { uint_bytes_to_num, utf8_decode } from "./tools";
+import { uint_bytes_to_num, utf8_decode, utf8_encode } from "./tools";
 
 test("parse_uint - 0xFF", () => {
 	expect(uint_bytes_to_num(new Uint8Array([0x0, 0x0, 0x0, 0xFF]))).toBe(0xFF);
@@ -20,3 +20,12 @@ test("parse_uint - 0xFF000000", () => {
 test("decode_utf8 - \"test\"", () => {
 	expect(utf8_decode(new Uint8Array([0x74, 0x65, 0x73, 0x74]))).toBe("test");
 });
+
+test("encode_utf8 - \"test\"", () => {
+	expect(utf8_encode("test")).toMatchObject(new Uint8Array([0x74, 0x65, 0x73, 0x74]));
+});
+
+test("encode_decode_utf8 - \"Hello, world!\"", () => {
+	const text = "Hello, world!";
+	expect(utf8_decode(utf8_encode(text))).toBe(text);
+});