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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-integer-indexed-exotic-objects-defineownproperty-p-desc
+description: >
+ Set the value and return true
+info: |
+ 9.4.5.3 [[DefineOwnProperty]] ( P, Desc)
+ ...
+ 3. If Type(P) is String, then
+ a. Let numericIndex be ! CanonicalNumericIndexString(P).
+ b. If numericIndex is not undefined, then
+ ...
+ xi. If Desc has a [[Value]] field, then
+ 1. Let value be Desc.[[Value]].
+ 2. Return ? IntegerIndexedElementSet(O, intIndex, value).
+ ...
+
+ 9.4.5.9 IntegerIndexedElementSet ( O, index, value )
+
+ ...
+ 15. Perform SetValueInBuffer(buffer, indexedPosition, elementType, numValue).
+ 16. Return true.
+includes: [testBigIntTypedArray.js]
+features: [BigInt, Reflect, TypedArray]
+---*/
+
+testWithBigIntTypedArrayConstructors(function(TA) {
+ var sample = new TA(convertToBigInt([0, 0]));
+
+ assert.sameValue(
+ Reflect.defineProperty(sample, "0", {value: convertToBigInt(1)}),
+ true,
+ "set value for sample[0] returns true"
+ );
+
+ assert.sameValue(
+ Reflect.defineProperty(sample, "1", {value: convertToBigInt(2)}),
+ true,
+ "set value for sample[1] returns true"
+ );
+
+ assert.sameValue(sample[0], convertToBigInt(1), "sample[0]");
+ assert.sameValue(sample[1], convertToBigInt(2), "sample[1]");
+});