1 files changed, 31 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Iterator/prototype/drop/non-constructible.js b/js/src/tests/test262/built-ins/Iterator/prototype/drop/non-constructible.js
new file mode 100644
index 0000000000..cb97d9d4ff
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Iterator/prototype/drop/non-constructible.js
@@ -0,0 +1,31 @@
+// |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: >
+  Iterator.prototype.drop is not constructible.
+
+  Built-in function objects that are not identified as constructors do not implement the [[Construct]] internal method unless otherwise specified in the description of a particular function.
+features: [iterator-helpers]
+---*/
+function* g() {}
+let iter = g();
+
+assert.throws(TypeError, () => {
+  new iter.drop();
+});
+
+assert.throws(TypeError, () => {
+  new iter.drop(0);
+});
+
+assert.throws(TypeError, () => {
+  new Iterator.prototype.drop(0);
+});
+
+assert.throws(TypeError, () => {
+  new class extends Iterator {}.drop(0);
+});
+
+reportCompare(0, 0);