1 files changed, 14 insertions, 0 deletions
diff --git a/testing/web-platform/tests/fetch/api/body/formdata.any.js b/testing/web-platform/tests/fetch/api/body/formdata.any.js
new file mode 100644
index 0000000000..e25035923c
--- /dev/null
+++ b/testing/web-platform/tests/fetch/api/body/formdata.any.js
@@ -0,0 +1,14 @@
+promise_test(async t => {
+  const res = new Response(new FormData());
+  const fd = await res.formData();
+  assert_true(fd instanceof FormData);
+}, 'Consume empty response.formData() as FormData');
+
+promise_test(async t => {
+  const req = new Request('about:blank', {
+    method: 'POST',
+    body: new FormData()
+  });
+  const fd = await req.formData();
+  assert_true(fd instanceof FormData);
+}, 'Consume empty request.formData() as FormData');