1 files changed, 37 insertions, 0 deletions
diff --git a/js/src/tests/test262/intl402/Segmenter/ctor-custom-get-prototype-poison-throws.js b/js/src/tests/test262/intl402/Segmenter/ctor-custom-get-prototype-poison-throws.js
new file mode 100644
index 0000000000..3ad69bb425
--- /dev/null
+++ b/js/src/tests/test262/intl402/Segmenter/ctor-custom-get-prototype-poison-throws.js
@@ -0,0 +1,37 @@
+// |reftest| skip-if(!Intl.Segmenter) -- Intl.Segmenter is not enabled unconditionally
+// Copyright (C) 2019 Leo Balter. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-intl.segmenter
+description: >
+  Return abrupt from Get Prototype from a custom NewTarget
+info: |
+  Intl.Segmenter ([ locales [ , options ]])
+  1. If NewTarget is undefined, throw a TypeError exception.
+  3. Let segmenter be ? OrdinaryCreateFromConstructor(NewTarget, "%Segmenter.prototype%", internalSlotsList).
+  ...
+  OrdinaryCreateFromConstructor ( constructor, intrinsicDefaultProto [ , internalSlotsList ] )
+  ...
+  2. Let proto be ? GetPrototypeFromConstructor(constructor, intrinsicDefaultProto).
+  ...
+  GetPrototypeFromConstructor ( constructor, intrinsicDefaultProto )
+  3. Let proto be ? Get(constructor, "prototype").
+features: [Intl.Segmenter, Reflect, Proxy]
+---*/
+
+const custom = new Proxy(new Function(), {
+  get(target, key) {
+    if (key === 'prototype') {
+      throw new Test262Error();
+    }
+
+    return target[key];
+  }
+});
+
+assert.throws(Test262Error, () => {
+  Reflect.construct(Intl.Segmenter, [], custom);
+});
+
+reportCompare(0, 0);