fix(extension/file): update File constructor following the spec (#10760)

1 files changed, 9 insertions, 0 deletions

diff --git a/tools/wpt/testharnessreport.js b/tools/wpt/testharnessreport.js
index d3e783376..b1852a488 100644
--- a/tools/wpt/testharnessreport.js
+++ b/tools/wpt/testharnessreport.js
@@ -13,3 +13,12 @@ window.add_result_callback(({ message, name, stack, status }) => {
 window.add_completion_callback((_tests, _harnessStatus) => {
   Deno.exit(0);
 });
+
+globalThis.document = {
+  // document.body shim for FileAPI/file/File-constructor.any.html test
+  body: {
+    toString() {
+      return "[object HTMLBodyElement]";
+    },
+  },
+};