1 files changed, 33 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/module-code/top-level-await/if-await-expr.js b/js/src/tests/test262/language/module-code/top-level-await/if-await-expr.js
new file mode 100644
index 0000000000..a1484ff35b
--- /dev/null
+++ b/js/src/tests/test262/language/module-code/top-level-await/if-await-expr.js
@@ -0,0 +1,33 @@
+// |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: >
+  Evaluate Await expression for IfStatement
+info: |
+  ModuleItem:
+    StatementListItem[~Yield, +Await, ~Return]
+
+  ...
+
+  UnaryExpression[Yield, Await]
+    [+Await]AwaitExpression[?Yield]
+
+  AwaitExpression[Yield]:
+    await UnaryExpression[?Yield, +Await]
+esid: prod-AwaitExpression
+flags: [module, async]
+features: [top-level-await]
+---*/
+
+var completed = 0;
+var p = Promise.resolve(true);
+
+if (await p) {
+  completed += 1;
+}
+
+assert.sameValue(completed, 1);
+
+$DONE();