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+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-%typedarray%.prototype.keys
+description: >
+ Throws a TypeError exception when `this` is not a TypedArray instance
+info: |
+ 22.2.3.16 %TypedArray%.prototype.keys ( )
+
+ The following steps are taken:
+
+ 1. Let O be the this value.
+ 2. Perform ? ValidateTypedArray(O).
+ ...
+
+ 22.2.3.5.1 Runtime Semantics: ValidateTypedArray ( O )
+
+ 1. If Type(O) is not Object, throw a TypeError exception.
+ 2. If O does not have a [[TypedArrayName]] internal slot, throw a TypeError
+ exception.
+ ...
+includes: [testBigIntTypedArray.js]
+features: [BigInt, TypedArray]
+---*/
+
+var keys = TypedArray.prototype.keys;
+
+assert.throws(TypeError, function() {
+ keys.call({});
+}, "this is an Object");
+
+assert.throws(TypeError, function() {
+ keys.call([]);
+}, "this is an Array");
+
+var ab = new ArrayBuffer(8);
+assert.throws(TypeError, function() {
+ keys.call(ab);
+}, "this is an ArrayBuffer instance");
+
+var dv = new DataView(new ArrayBuffer(8), 0, 1);
+assert.throws(TypeError, function() {
+ keys.call(dv);
+}, "this is a DataView instance");