1 files changed, 44 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/module-code/top-level-await/await-expr-new-expr.js b/js/src/tests/test262/language/module-code/top-level-await/await-expr-new-expr.js
new file mode 100644
index 0000000000..351d0de020
--- /dev/null
+++ b/js/src/tests/test262/language/module-code/top-level-await/await-expr-new-expr.js
@@ -0,0 +1,44 @@
+// |reftest| shell-option(--enable-top-level-await) skip-if(!xulRuntime.shell) module async -- requires shell-options
+// Copyright (C) 2019 Leo Balter. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: >
+  Evaluation of await before a NewExpression
+info: |
+  ModuleItem:
+    StatementListItem[~Yield, +Await, ~Return]
+
+  ...
+
+  UnaryExpression[Yield, Await]
+    [+Await]AwaitExpression[?Yield]
+
+  AwaitExpression[Yield]:
+    await UnaryExpression[?Yield, +Await]
+
+  ...
+
+  LeftHandSideExpression[Yield, Await]:
+    NewExpression[?Yield, ?Await]
+    CallExpression[?Yield, ?Await]
+
+  NewExpression[Yield, Await]:
+    MemberExpression[?Yield, ?Await]
+    new NewExpression[?Yield, ?Await]
+
+  MemberExpression[Yield, Await]:
+    ...
+    new MemberExpression[?Yield, ?Await] Arguments[?Yield, ?Await]
+esid: prod-AwaitExpression
+flags: [module, async]
+features: [top-level-await]
+---*/
+
+var value = await new Promise(function(res, rej) {
+  res(42);
+});
+
+assert.sameValue(value, 42);
+
+$DONE();