1 files changed, 51 insertions, 0 deletions
diff --git a/test/bun.js/unsafe.test.js b/test/bun.js/unsafe.test.js
new file mode 100644
index 000000000..741dc0241
--- /dev/null
+++ b/test/bun.js/unsafe.test.js
@@ -0,0 +1,51 @@
+import { test, expect, it, describe } from "bun:test";
+import { gc } from "./gc";
+
+it("arrayBufferToString u8", async () => {
+  var encoder = new TextEncoder();
+  const bytes = encoder.encode("hello world");
+  gc(true);
+  expect(Bun.unsafe.arrayBufferToString(bytes)).toBe("hello world");
+  gc(true);
+  await new Promise((resolve) => setTimeout(resolve, 0));
+  gc(true);
+});
+
+it("arrayBufferToString ArrayBuffer", async () => {
+  var encoder = new TextEncoder();
+  var bytes = encoder.encode("hello world");
+  gc(true);
+  const out = Bun.unsafe.arrayBufferToString(bytes.buffer);
+  expect(out).toBe("hello world");
+  gc(true);
+  await new Promise((resolve) => setTimeout(resolve, 0));
+  globalThis.bytes = bytes;
+  gc(true);
+  expect(out).toBe("hello world");
+});
+
+it("arrayBufferToString u16", () => {
+  var encoder = new TextEncoder();
+  const bytes = encoder.encode("hello world");
+  var uint16 = new Uint16Array(bytes.byteLength);
+  uint16.set(bytes);
+  const charCodes = Bun.unsafe
+    .arrayBufferToString(uint16)
+    .split("")
+    .map((a) => a.charCodeAt(0));
+  gc(true);
+  for (let i = 0; i < charCodes.length; i++) {
+    expect("hello world"[i]).toBe(String.fromCharCode(charCodes[i]));
+  }
+  gc(true);
+  expect(charCodes.length).toBe("hello world".length);
+  gc(true);
+});
+
+it("Bun.allocUnsafe", () => {
+  var buffer = Bun.allocUnsafe(1024);
+  expect(buffer instanceof Uint8Array).toBe(true);
+  expect(buffer.length).toBe(1024);
+  buffer[0] = 0;
+  expect(buffer[0]).toBe(0);
+});