1 files changed, 39 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Iterator/prototype/drop/limit-rangeerror.js b/js/src/tests/test262/built-ins/Iterator/prototype/drop/limit-rangeerror.js
new file mode 100644
index 0000000000..2bfcd62aa6
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Iterator/prototype/drop/limit-rangeerror.js
@@ -0,0 +1,39 @@
+// |reftest| shell-option(--enable-iterator-helpers) skip-if(!this.hasOwnProperty('Iterator')||!xulRuntime.shell) -- iterator-helpers is not enabled unconditionally, requires shell-options
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-iteratorprototype.drop
+description: >
+  Throws a RangeError exception when limit argument is NaN or less than 0.
+info: |
+  %Iterator.prototype%.drop ( limit )
+
+  3. If numLimit is NaN, throw a RangeError exception.
+  4. Let integerLimit be ! ToIntegerOrInfinity(numLimit).
+  5. If integerLimit < 0, throw a RangeError exception.
+
+features: [iterator-helpers]
+---*/
+let iterator = (function* () {})();
+
+iterator.drop(0);
+iterator.drop(-0.5);
+iterator.drop(null);
+
+assert.throws(RangeError, () => {
+  iterator.drop(-1);
+});
+
+assert.throws(RangeError, () => {
+  iterator.drop();
+});
+
+assert.throws(RangeError, () => {
+  iterator.drop(undefined);
+});
+
+assert.throws(RangeError, () => {
+  iterator.drop(NaN);
+});
+
+reportCompare(0, 0);