1 files changed, 39 insertions, 0 deletions
diff --git a/testing/web-platform/tests/file-system-access/resources/opaque-origin-sandbox.html b/testing/web-platform/tests/file-system-access/resources/opaque-origin-sandbox.html
new file mode 100644
index 0000000000..f489f889b3
--- /dev/null
+++ b/testing/web-platform/tests/file-system-access/resources/opaque-origin-sandbox.html
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<script>
+  'use strict'
+
+  // Sends two messages to its creator:
+  // (1) The result of showDirectoryPicker().
+  // (2) The result of navigator.storage.getDirectory().
+
+  function post_message(data) {
+    if (window.parent !== null) {
+      window.parent.postMessage(data, { targetOrigin: '*' });
+    }
+    if (window.opener !== null) {
+      window.opener.postMessage(data, { targetOrigin: '*' });
+    }
+  }
+
+  try {
+    window.showDirectoryPicker()
+      .then(() => {
+        post_message('showDirectoryPicker(): FULFILLED');
+      }).catch(error => {
+        post_message(`showDirectoryPicker(): REJECTED: ${error.name}`);
+      });
+  } catch (error) {
+    post_message(`showDirectoryPicker(): EXCEPTION: ${error.name}`);
+  }
+
+  try {
+    navigator.storage.getDirectory()
+      .then(() => {
+        post_message('navigator.storage.getDirectory(): FULFILLED');
+      }).catch(error => {
+        post_message(`navigator.storage.getDirectory(): REJECTED: ${error.name}`);
+      });
+  } catch (error) {
+    post_message(`navigator.storage.getDirectory(): EXCEPTION: ${error.name}`);
+  }
+</script>
+\ No newline at end of file