1 files changed, 34 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/expressions/exponentiation/bigint-negative-exponent-throws.js b/js/src/tests/test262/language/expressions/exponentiation/bigint-negative-exponent-throws.js
new file mode 100644
index 0000000000..4e23375900
--- /dev/null
+++ b/js/src/tests/test262/language/expressions/exponentiation/bigint-negative-exponent-throws.js
@@ -0,0 +1,34 @@
+// Copyright (C) 2017 Robin Templeton. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+description: If the BigInt exponent is < 0, throw a RangeError exception
+esid: sec-exp-operator-runtime-semantics-evaluation
+info: |
+  ExponentiationExpression: UpdateExpression ** ExponentiationExpression
+
+  ...
+  9. Return ? Type(base)::exponentiate(base, exponent).
+
+  BigInt::exponentiate (base, exponent)
+
+  1. If exponent < 0, throw a RangeError exception.
+  ...
+features: [BigInt, exponentiation]
+---*/
+assert.throws(RangeError, function() {
+  1n ** -1n;
+}, '1n ** -1n throws RangeError');
+
+assert.throws(RangeError, function() {
+  0n ** -1n;
+}, '0n ** -1n throws RangeError');
+
+assert.throws(RangeError, function() {
+  (-1n) ** -1n;
+}, '(-1n) ** -1n throws RangeError');
+
+assert.throws(RangeError, function() {
+  1n ** -100000000000000000n;
+}, '1n ** -100000000000000000n throws RangeError');
+
+reportCompare(0, 0);