1 files changed, 60 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/String/prototype/toString/non-generic-realm.js b/js/src/tests/test262/built-ins/String/prototype/toString/non-generic-realm.js
new file mode 100644
index 0000000000..4f27e3528e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/String/prototype/toString/non-generic-realm.js
@@ -0,0 +1,60 @@
+// Copyright (C) 2019 Aleksey Shvayka. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-string.prototype.tostring
+description: >
+  Throws a TypeError if called on neither String primitive nor String object
+  (honoring the Realm of the current execution context)
+info: |
+  String.prototype.toString ( )
+
+  1. Return ? thisStringValue(this value).
+
+  thisStringValue ( value )
+
+  [...]
+  3. Throw a TypeError exception.
+features: [cross-realm]
+---*/
+
+var other = $262.createRealm().global;
+var otherToString = other.String.prototype.toString;
+
+assert.throws(other.TypeError, function() {
+  otherToString.call(true);
+});
+
+assert.throws(other.TypeError, function() {
+  otherToString.call(0);
+});
+
+assert.throws(other.TypeError, function() {
+  otherToString.call(null);
+});
+
+assert.throws(other.TypeError, function() {
+  otherToString.call();
+});
+
+assert.throws(other.TypeError, function() {
+  otherToString.call(Symbol('desc'));
+});
+
+assert.throws(other.TypeError, function() {
+  otherToString.call({
+    valueOf: function() {
+      return 'str';
+    },
+  });
+});
+
+assert.throws(other.TypeError, function() {
+  otherToString.call([1]);
+});
+
+assert.throws(other.TypeError, function() {
+  'str'.concat({toString: otherToString});
+});
+
+reportCompare(0, 0);