1 files changed, 26 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/module-code/early-export-ill-formed-string.js b/js/src/tests/test262/language/module-code/early-export-ill-formed-string.js
new file mode 100644
index 0000000000..22a8248f11
--- /dev/null
+++ b/js/src/tests/test262/language/module-code/early-export-ill-formed-string.js
@@ -0,0 +1,26 @@
+// |reftest| error:SyntaxError module
+// Copyright (C) 2020 Bradley Farias. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+description: >
+    Ill formed unicode cannot be an exported name
+esid: sec-module-semantics
+info: |
+    ModuleExportName : StringLiteral
+
+    It is a Syntax Error if IsStringWellFormedUnicode of the StringValue of StringLiteral is *false*.
+flags: [module]
+negative:
+  phase: parse
+  type: SyntaxError
+features: [arbitrary-module-namespace-names]
+---*/
+
+$DONOTEVALUATE();
+
+// 🌙 is '\uD83C\uDF19'
+export {Moon as "\uD83C",} from "./early-export-ill-formed-string.js";
+export {"\uD83C"} from "./early-export-ill-formed-string.js";
+import {'\uD83C' as Usagi} from "./early-export-ill-formed-string.js";
+
+function Moon() {}