1 files changed, 29 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/String/prototype/matchAll/regexp-prototype-has-no-matchAll.js b/js/src/tests/test262/built-ins/String/prototype/matchAll/regexp-prototype-has-no-matchAll.js
new file mode 100644
index 0000000000..bd1d5fd466
--- /dev/null
+++ b/js/src/tests/test262/built-ins/String/prototype/matchAll/regexp-prototype-has-no-matchAll.js
@@ -0,0 +1,29 @@
+// Copyright (C) 2018 Peter Wong. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: pending
+description: Behavior when @@matchAll is removed from RegExp's prototype
+info: |
+  String.prototype.matchAll ( regexp )
+    1. Let O be ? RequireObjectCoercible(this value).
+    2. If regexp is neither undefined nor null, then
+      a. Let matcher be ? GetMethod(regexp, @@matchAll).
+      b. If matcher is not undefined, then
+        [...]
+    [...]
+    4. Let rx be ? RegExpCreate(R, "g").
+    5. Return ? Invoke(rx, @@matchAll, « S »).
+
+features: [Symbol.matchAll, String.prototype.matchAll]
+---*/
+
+assert.sameValue(typeof String.prototype.matchAll, "function");
+
+delete RegExp.prototype[Symbol.matchAll];
+var str = '/a/g*/b/g';
+
+assert.throws(TypeError, function() {
+  str.matchAll(/\w/g);
+});
+
+reportCompare(0, 0);