1 files changed, 18 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/RegExp/property-escapes/non-binary-property-without-value-Script_Extensions-equals.js b/js/src/tests/test262/built-ins/RegExp/property-escapes/non-binary-property-without-value-Script_Extensions-equals.js
new file mode 100644
index 0000000000..6456cc6af4
--- /dev/null
+++ b/js/src/tests/test262/built-ins/RegExp/property-escapes/non-binary-property-without-value-Script_Extensions-equals.js
@@ -0,0 +1,18 @@
+// |reftest| error:SyntaxError
+// Copyright 2018 Mathias Bynens. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+author: Mathias Bynens
+description: >
+  Non-binary properties without a value must throw in Unicode property escapes.
+esid: sec-static-semantics-unicodematchproperty-p
+negative:
+  phase: parse
+  type: SyntaxError
+features: [regexp-unicode-property-escapes]
+---*/
+
+$DONOTEVALUATE();
+
+/\p{Script_Extensions=}/u;