1 files changed, 18 insertions, 0 deletions
diff --git a/dom/promise/tests/file_promise_and_timeout_ordering.js b/dom/promise/tests/file_promise_and_timeout_ordering.js
new file mode 100644
index 000000000..c83b5a6ac
--- /dev/null
+++ b/dom/promise/tests/file_promise_and_timeout_ordering.js
@@ -0,0 +1,18 @@
+var log = [];
+var resolvedPromise = Promise.resolve(null);
+function schedulePromiseTask(f) {
+  resolvedPromise.then(f);
+}
+
+setTimeout(function() {
+  log.push('t1start');
+  schedulePromiseTask(function() {
+    log.push('promise');
+  });
+  log.push('t1end');
+}, 10);
+
+setTimeout(function() {
+  log.push('t2');
+  postMessage(log.join(', '));
+}, 10);