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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
+es6id: 22.2.3.8
+description: >
+  Fills all the elements with non numeric values values.
+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).
+  ...
+
+  9.4.5.9 IntegerIndexedElementSet ( O, index, value )
+
+  ...
+  3. Let numValue be ? ToNumber(value).
+  ...
+
+includes: [testBigIntTypedArray.js]
+features: [BigInt, TypedArray]
+---*/
+
+testWithBigIntTypedArrayConstructors(function(TA) {
+  var sample;
+
+  sample = new TA(convertToBigInt([42]));
+  sample.fill(false);
+  assert.sameValue(sample[0], convertToBigInt(0), "false => 0");
+
+  sample = new TA(convertToBigInt([42]));
+  sample.fill(true);
+  assert.sameValue(sample[0], convertToBigInt(1), "true => 1");
+
+  sample = new TA(convertToBigInt([42]));
+  sample.fill("7");
+  assert.sameValue(sample[0], convertToBigInt(7), "string conversion");
+
+  sample = new TA(convertToBigInt([42]));
+  sample.fill({
+    toString: function() {
+      return "1";
+    },
+    valueOf: function() {
+      return convertToBigInt(7);
+    }
+  });
+  assert.sameValue(sample[0], convertToBigInt(7), "object valueOf conversion before toString");
+
+  sample = new TA(convertToBigInt([42]));
+  sample.fill({
+    toString: function() {
+      return "7";
+    }
+  });
+  assert.sameValue(sample[0], convertToBigInt(7), "object toString when valueOf is absent");
+});