1 files changed, 8 insertions, 0 deletions
diff --git a/cli/tests/unit/cache_api_test.ts b/cli/tests/unit/cache_api_test.ts
index 7bc372003..7bca16d89 100644
--- a/cli/tests/unit/cache_api_test.ts
+++ b/cli/tests/unit/cache_api_test.ts
@@ -4,6 +4,7 @@ import {
   assertEquals,
   assertFalse,
   assertRejects,
+  assertThrows,
 } from "./test_util.ts";
 
 Deno.test(async function cacheStorage() {
@@ -95,6 +96,13 @@ Deno.test(async function cacheApi() {
   assertFalse(await caches.has(cacheName));
 });
 
+Deno.test(function cacheIllegalConstructor() {
+  // @ts-expect-error illegal constructor
+  assertThrows(() => new Cache(), TypeError, "Illegal constructor");
+  // @ts-expect-error illegal constructor
+  assertThrows(() => new Cache("foo", "bar"), TypeError, "Illegal constructor");
+});
+
 Deno.test(async function cachePutReaderLock() {
   const cacheName = "cache-v1";
   const cache = await caches.open(cacheName);