1 files changed, 76 insertions, 0 deletions
diff --git a/testing/web-platform/tests/IndexedDB/resources/idb-partitioned-persistence-iframe.tentative.html b/testing/web-platform/tests/IndexedDB/resources/idb-partitioned-persistence-iframe.tentative.html
new file mode 100644
index 0000000000..ad6869f945
--- /dev/null
+++ b/testing/web-platform/tests/IndexedDB/resources/idb-partitioned-persistence-iframe.tentative.html
@@ -0,0 +1,76 @@
+<!doctype html>
+<meta charset="utf-8">
+<script>
+const dbName = "users";
+
+// Create the database at v1 and detect success via `onsuccess`.
+function createDatabase() {
+  return new Promise((resolve, reject) => {
+    var dbRequest = window.indexedDB.open(dbName, 1);
+    dbRequest.onblocked = () => reject();
+    dbRequest.onerror = () => reject();
+    dbRequest.onsuccess = (e) => {
+      e.target.result.close();
+      resolve();
+    }
+  });
+}
+
+// Open the database at v2 and detect existance via `onupgradeneeded`.
+function doesDatabaseExist() {
+  let didExist = false;
+  return new Promise((resolve, reject) => {
+    var dbRequest = window.indexedDB.open(dbName, 2);
+    dbRequest.onblocked = () => reject();
+    dbRequest.onerror = () => reject();
+    dbRequest.onsuccess = (e) => {
+      e.target.result.close();
+      deleteDatabase().then(() => resolve(didExist));
+    };
+    dbRequest.onupgradeneeded = (e) => {
+      didExist = e.oldVersion != 0;
+    };
+  });
+}
+
+// Delete the database and detect success via `onsuccess`.
+function deleteDatabase() {
+  return new Promise((resolve, reject) => {
+    var dbRequest = window.indexedDB.deleteDatabase(dbName);
+    dbRequest.onblocked = () => reject();
+    dbRequest.onerror = () => reject();
+    dbRequest.onsuccess = () => resolve();
+  });
+}
+
+// Step 2
+window.addEventListener("load", () => {
+  parent.postMessage(
+    {message: "iframe loaded"},
+    "*",
+  );
+});
+
+window.addEventListener("message", (e) => {
+  if (e.data.message == "create database") {
+    // Step 4
+    createDatabase().then(() => {
+      parent.postMessage(
+        {message: "database created"},
+        "*",
+      );
+    });
+  } else if (e.data.message == "check database") {
+    // Step 6
+    doesDatabaseExist().then((result) => {
+      parent.postMessage(
+        {
+          message: "database checked",
+          doesDatabaseExist: result,
+        },
+        "*",
+      );
+    });
+  }
+});
+</script>