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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.fill
+description: >
+ Fills all the elements with `value` from a default start and index.
+info: |
+ 22.2.3.8 %TypedArray%.prototype.fill (value [ , start [ , end ] ] )
+
+ %TypedArray%.prototype.fill is a distinct function that implements the same
+ algorithm as Array.prototype.fill as defined in 22.1.3.6 except that the this
+ object's [[ArrayLength]] internal slot is accessed in place of performing a
+ [[Get]] of "length". The implementation of the algorithm may be optimized with
+ the knowledge that the this value is an object that has a fixed length and
+ whose integer indexed properties are not sparse. However, such optimization
+ must not introduce any observable changes in the specified behaviour of the
+ algorithm.
+
+ ...
+
+ 22.1.3.6 Array.prototype.fill (value [ , start [ , end ] ] )
+
+ ...
+ 7. Repeat, while k < final
+ a. Let Pk be ! ToString(k).
+ b. Perform ? Set(O, Pk, value, true).
+includes: [compareArray.js, testTypedArray.js]
+features: [TypedArray]
+---*/
+
+testWithTypedArrayConstructors(function(TA) {
+ assert(
+ compareArray(
+ new TA().fill(8),
+ []
+ ),
+ "does not fill an empty instance"
+ );
+
+ assert(
+ compareArray(new TA([0, 0, 0]).fill(8), [8, 8, 8]),
+ "Default start and end indexes are 0 and this.length"
+ );
+});
+
+reportCompare(0, 0);