1 files changed, 36 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/String/prototype/trimEnd/this-value-object-toprimitive-call-err.js b/js/src/tests/test262/built-ins/String/prototype/trimEnd/this-value-object-toprimitive-call-err.js
new file mode 100644
index 0000000000..a59c2cb84e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/String/prototype/trimEnd/this-value-object-toprimitive-call-err.js
@@ -0,0 +1,36 @@
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-string.prototype.trimEnd
+description: >
+  Abrupt completion when getting Symbol.toPrimitive method
+info: |
+  Runtime Semantics: TrimString ( string, where )
+  1. Let str be ? RequireObjectCoercible(string).
+  2. Let S be ? ToString(str).
+   ...
+
+  ToString ( argument )
+  If argument is Object:
+    1. Let primValue be ? ToPrimitive(argument, hint String).
+   ...
+
+  ToPrimitive ( input [, PreferredType ])
+   ...
+    d. Let exoticToPrim be ? GetMethod(input, @@toPrimitive).
+   ...
+features: [string-trimming, String.prototype.trimEnd, Symbol.toPrimitive]
+---*/
+
+var thisVal = {
+  get [Symbol.toPrimitive]() {
+    throw new Test262Error();
+  },
+};
+
+assert.throws(Test262Error, function() {
+  String.prototype.trimEnd.call(thisVal);
+});
+
+reportCompare(0, 0);