1 files changed, 32 insertions, 0 deletions
diff --git a/js/src/tests/test262/intl402/DateTimeFormat/prototype/formatRangeToParts/builtin.js b/js/src/tests/test262/intl402/DateTimeFormat/prototype/formatRangeToParts/builtin.js
new file mode 100644
index 0000000000..840c232f07
--- /dev/null
+++ b/js/src/tests/test262/intl402/DateTimeFormat/prototype/formatRangeToParts/builtin.js
@@ -0,0 +1,32 @@
+// Copyright 2012 Mozilla Corporation. All rights reserved.
+// Copyright 2019 Igalia S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+    Tests that the Intl.DateTimeFormat.prototype.formatRangeToParts function meets the
+    requirements for built-in objects defined by the ECMAScript Language
+    Specification.
+includes: [isConstructor.js]
+features: [Reflect.construct,Intl.DateTimeFormat-formatRange]
+---*/
+
+const formatRangeToParts = Intl.DateTimeFormat.prototype.formatRangeToParts;
+
+assert.sameValue(Object.prototype.toString.call(formatRangeToParts), "[object Function]",
+                 "The [[Class]] internal property of a built-in function must be " +
+                 "\"Function\".");
+
+assert(Object.isExtensible(formatRangeToParts),
+       "Built-in objects must be extensible.");
+
+assert.sameValue(Object.getPrototypeOf(formatRangeToParts), Function.prototype);
+
+assert.sameValue(formatRangeToParts.hasOwnProperty("prototype"), false,
+                 "Built-in functions that aren't constructors must not have a prototype property.");
+
+assert.sameValue(isConstructor(formatRangeToParts), false,
+                 "Built-in functions don't implement [[Construct]] unless explicitly specified.");
+
+reportCompare(0, 0);