1 files changed, 76 insertions, 0 deletions
diff --git a/packages/idb-bridge/src/idb-wpt-ported/idbcursor-reused.test.ts b/packages/idb-bridge/src/idb-wpt-ported/idbcursor-reused.test.ts
new file mode 100644
index 000000000..44a647dc8
--- /dev/null
+++ b/packages/idb-bridge/src/idb-wpt-ported/idbcursor-reused.test.ts
@@ -0,0 +1,76 @@
+import test from "ava";
+import { createdb } from "./wptsupport";
+
+test("WPT idbcursor-reused.htm", async (t) => {
+  await new Promise<void>((resolve, reject) => {
+    var db: any;
+    var open_rq = createdb(t);
+
+    open_rq.onupgradeneeded = function (e: any) {
+      db = e.target.result;
+      var os = db.createObjectStore("test");
+
+      os.add("data", "k");
+      os.add("data2", "k2");
+    };
+
+    open_rq.onsuccess = function (e) {
+      var cursor: any;
+      var count = 0;
+      var rq = db.transaction("test").objectStore("test").openCursor();
+
+      rq.onsuccess = function (e: any) {
+        switch (count) {
+          case 0:
+            cursor = e.target.result;
+
+            t.deepEqual(cursor.value, "data", "prequisite cursor.value");
+            cursor.custom_cursor_value = 1;
+            e.target.custom_request_value = 2;
+
+            cursor.continue();
+            break;
+
+          case 1:
+            t.deepEqual(cursor.value, "data2", "prequisite cursor.value");
+            t.deepEqual(cursor.custom_cursor_value, 1, "custom cursor value");
+            t.deepEqual(
+              e.target.custom_request_value,
+              2,
+              "custom request value",
+            );
+
+            cursor.advance(1);
+            break;
+
+          case 2:
+            t.false(!!e.target.result, "got cursor");
+            t.deepEqual(cursor.custom_cursor_value, 1, "custom cursor value");
+            t.deepEqual(
+              e.target.custom_request_value,
+              2,
+              "custom request value",
+            );
+            break;
+        }
+        count++;
+      };
+
+      rq.transaction.oncomplete = function () {
+        t.deepEqual(count, 3, "cursor callback runs");
+        t.deepEqual(
+          rq.custom_request_value,
+          2,
+          "variable placed on old IDBRequest",
+        );
+        t.deepEqual(
+          cursor.custom_cursor_value,
+          1,
+          "custom cursor value (transaction.complete)",
+        );
+        resolve();
+      };
+    };
+  });
+  t.pass();
+});