1 files changed, 46 insertions, 0 deletions
diff --git a/test/bun.js/web-globals.test.js b/test/bun.js/web-globals.test.js
new file mode 100644
index 000000000..ac7c22e84
--- /dev/null
+++ b/test/bun.js/web-globals.test.js
@@ -0,0 +1,46 @@
+import { expect, test } from "bun:test";
+
+test("exists", () => {
+  expect(typeof URL !== "undefined").toBe(true);
+  expect(typeof URLSearchParams !== "undefined").toBe(true);
+  expect(typeof DOMException !== "undefined").toBe(true);
+  expect(typeof Event !== "undefined").toBe(true);
+  expect(typeof EventTarget !== "undefined").toBe(true);
+  expect(typeof AbortController !== "undefined").toBe(true);
+  expect(typeof AbortSignal !== "undefined").toBe(true);
+  expect(typeof CustomEvent !== "undefined").toBe(true);
+  expect(typeof Headers !== "undefined").toBe(true);
+  expect(typeof ErrorEvent !== "undefined").toBe(true);
+  expect(typeof CloseEvent !== "undefined").toBe(true);
+  expect(typeof MessageEvent !== "undefined").toBe(true);
+  expect(typeof TextEncoder !== "undefined").toBe(true);
+  expect(typeof WebSocket !== "undefined").toBe(true);
+});
+
+test("CloseEvent", () => {
+  var event = new CloseEvent("close", { reason: "world" });
+  expect(event.type).toBe("close");
+  const target = new EventTarget();
+  var called = false;
+  target.addEventListener("close", ({ type, reason }) => {
+    expect(type).toBe("close");
+    expect(reason).toBe("world");
+    called = true;
+  });
+  target.dispatchEvent(event);
+  expect(called).toBe(true);
+});
+
+test("MessageEvent", () => {
+  var event = new MessageEvent("message", { data: "world" });
+  expect(event.type).toBe("message");
+  const target = new EventTarget();
+  var called = false;
+  target.addEventListener("message", ({ type, data }) => {
+    expect(type).toBe("message");
+    expect(data).toBe("world");
+    called = true;
+  });
+  target.dispatchEvent(event);
+  expect(called).toBe(true);
+});