1 files changed, 11 insertions, 0 deletions
diff --git a/cli/tests/unit/copy_file_test.ts b/cli/tests/unit/copy_file_test.ts
index 1c967b043..ad467f510 100644
--- a/cli/tests/unit/copy_file_test.ts
+++ b/cli/tests/unit/copy_file_test.ts
@@ -236,3 +236,14 @@ Deno.test(
     copyFileSyncMode("Hello world!".repeat(128 * 1024));
   },
 );
+
+Deno.test(
+  { permissions: { read: true, write: true } },
+  async function copyFileNulPath() {
+    const fromFilename = "from.txt\0";
+    const toFilename = "to.txt\0";
+    await assertRejects(async () => {
+      await Deno.copyFile(fromFilename, toFilename);
+    }, TypeError);
+  },
+);