1 files changed, 29 insertions, 0 deletions
diff --git a/js/src/tests/test262/intl402/ListFormat/prototype/formatToParts/branding.js b/js/src/tests/test262/intl402/ListFormat/prototype/formatToParts/branding.js
new file mode 100644
index 0000000000..6b7473cb0e
--- /dev/null
+++ b/js/src/tests/test262/intl402/ListFormat/prototype/formatToParts/branding.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.ListFormat.prototype.formatToParts
+description: >
+    Verifies the branding check for the "formatToParts" function of the ListFormat prototype object.
+info: |
+    Intl.ListFormat.prototype.formatToParts([ list ])
+
+    2. If Type(lf) is not Object, throw a TypeError exception.
+    3. If lf does not have an [[InitializedListFormat]] internal slot, throw a TypeError exception.
+features: [Intl.ListFormat]
+---*/
+
+const formatToParts = Intl.ListFormat.prototype.formatToParts;
+
+assert.sameValue(typeof formatToParts, "function");
+assert.throws(TypeError, () => formatToParts.call(undefined), "undefined");
+assert.throws(TypeError, () => formatToParts.call(null), "null");
+assert.throws(TypeError, () => formatToParts.call(true), "true");
+assert.throws(TypeError, () => formatToParts.call(""), "empty string");
+assert.throws(TypeError, () => formatToParts.call(Symbol()), "symbol");
+assert.throws(TypeError, () => formatToParts.call(1), "1");
+assert.throws(TypeError, () => formatToParts.call({}), "plain object");
+assert.throws(TypeError, () => formatToParts.call(Intl.ListFormat), "Intl.ListFormat");
+assert.throws(TypeError, () => formatToParts.call(Intl.ListFormat.prototype), "Intl.ListFormat.prototype");
+
+reportCompare(0, 0);