1 files changed, 29 insertions, 0 deletions
diff --git a/js/src/tests/test262/intl402/Locale/prototype/caseFirst/prop-desc.js b/js/src/tests/test262/intl402/Locale/prototype/caseFirst/prop-desc.js
new file mode 100644
index 0000000000..d9528fab7f
--- /dev/null
+++ b/js/src/tests/test262/intl402/Locale/prototype/caseFirst/prop-desc.js
@@ -0,0 +1,29 @@
+// Copyright 2018 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-intl.locale
+description: >
+    Checks the "caseFirst" property of the Locale prototype object.
+info: |
+    Intl.Locale.prototype.caseFirst
+
+    Unless specified otherwise in this document, the objects, functions, and constructors described in this standard are subject to the generic requirements and restrictions specified for standard built-in ECMAScript objects in the ECMAScript 2019 Language Specification, 10th edition, clause 17, or successor.
+
+    Every accessor property described in clauses 18 through 26 and in Annex B.2 has the attributes { [[Enumerable]]: false, [[Configurable]]: true } unless otherwise specified. If only a get accessor function is described, the set accessor function is the default value, undefined.
+includes: [propertyHelper.js]
+features: [Intl.Locale]
+---*/
+
+const propdesc = Object.getOwnPropertyDescriptor(Intl.Locale.prototype, "caseFirst");
+if (propdesc) {
+  assert.sameValue(propdesc.set, undefined);
+  assert.sameValue(typeof propdesc.get, "function");
+
+  verifyProperty(Intl.Locale.prototype, "caseFirst", {
+    enumerable: false,
+    configurable: true,
+  });
+}
+
+reportCompare(0, 0);