1 files changed, 23 insertions, 0 deletions
diff --git a/tests/unit/dom_exception_test.ts b/tests/unit/dom_exception_test.ts
new file mode 100644
index 000000000..de335e105
--- /dev/null
+++ b/tests/unit/dom_exception_test.ts
@@ -0,0 +1,23 @@
+// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
+
+import {
+  assertEquals,
+  assertNotEquals,
+  assertStringIncludes,
+} from "./test_util.ts";
+
+Deno.test(function customInspectFunction() {
+  const exception = new DOMException("test");
+  assertEquals(Deno.inspect(exception), exception.stack);
+  assertStringIncludes(Deno.inspect(DOMException.prototype), "DOMException");
+});
+
+Deno.test(function nameToCodeMappingPrototypeAccess() {
+  const newCode = 100;
+  const objectPrototype = Object.prototype as unknown as {
+    pollution: number;
+  };
+  objectPrototype.pollution = newCode;
+  assertNotEquals(newCode, new DOMException("test", "pollution").code);
+  Reflect.deleteProperty(objectPrototype, "pollution");
+});