diff --git a/deps.ts b/deps.ts
index c6f5d70..668bebc 100644
--- a/deps.ts
+++ b/deps.ts
@@ -1 +1 @@
-export { assertEquals } from "https://deno.land/std@0.87.0/testing/asserts.ts"
+export { assertEquals, assertThrows } from "https://deno.land/std@0.87.0/testing/asserts.ts"
diff --git a/test/test.ts b/test/test.ts
index 5be7636..419fd28 100644
--- a/test/test.ts
+++ b/test/test.ts
@@ -1,4 +1,4 @@
-import { assertEquals } from "../deps.ts"
+import { assertEquals, assertThrows } from "../deps.ts"
 import { TypedCustomEvent, TypedEventTarget } from "../mod.ts"
 
 type Events = {
@@ -13,15 +13,15 @@ const e = new TypedEventTarget<Events>()
  */
 // Incorrect Syntax
 // @ts-expect-error reason: test
-e.dispatchEvent(new TypedCustomEvent("Hi", "Hello"))
+assertThrows(() => e.dispatchEvent(new TypedCustomEvent("Hi", "Hello")))
 // @ts-expect-error reason: test
-e.dispatchEvent(new TypedCustomEvent("Hello", true))
+assertThrows(() => e.dispatchEvent(new TypedCustomEvent("Hello", true)))
 
 // Invalid Types
 // @ts-expect-error reason: test
-e.dispatchEvent(new TypedCustomEvent("Hi", 1))
+e.dispatchEvent(new TypedCustomEvent("Hi", {detail: 1}))
 // @ts-expect-error reason: test
-e.dispatchEvent(new TypedCustomEvent("Hello", "Hi"))
+e.dispatchEvent(new TypedCustomEvent("Hello", {detail: "Hi"}))
 // @ts-expect-error reason: test
 e.addEventListener("Hi", (value: string) => value)