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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.copywithin
+es6id: 22.2.3.5
+description: >
+ Set values with negative out of bounds end argument.
+info: |
+ 22.2.3.5 %TypedArray%.prototype.copyWithin (target, start [ , end ] )
+
+ %TypedArray%.prototype.copyWithin is a distinct function that implements the
+ same algorithm as Array.prototype.copyWithin as defined in 22.1.3.3 except
+ that the this object's [[ArrayLength]] internal slot is accessed in place of
+ performing a [[Get]] of "length" and the actual copying of values in step 12
+ must be performed in a manner that preserves the bit-level encoding of the
+ source data.
+
+ ...
+
+ 22.1.3.3 Array.prototype.copyWithin (target, start [ , end ] )
+
+ ...
+ 7. If end is undefined, let relativeEnd be len; else let relativeEnd be ?
+ ToInteger(end).
+ 8. If relativeEnd < 0, let final be max((len + relativeEnd), 0); else let
+ final be min(relativeEnd, len).
+ ...
+includes: [compareArray.js, testBigIntTypedArray.js]
+---*/
+
+testWithBigIntTypedArrayConstructors(function(TA) {
+ assert(
+ compareArray(
+ new TA(convertToBigInt([0, 1, 2, 3])).copyWithin(0, 1, -10),
+ convertToBigInt([0, 1, 2, 3])
+ ),
+ '[0, 1, 2, 3].copyWithin(0, 1, -10) -> [0, 1, 2, 3]'
+ );
+
+ assert(
+ compareArray(
+ new TA(convertToBigInt([1, 2, 3, 4, 5])).copyWithin(0, 1, -Infinity),
+ convertToBigInt([1, 2, 3, 4, 5])
+ ),
+ '[1, 2, 3, 4, 5].copyWithin(0, 1, -Infinity) -> [1, 2, 3, 4, 5]'
+ );
+
+ assert(
+ compareArray(
+ new TA(convertToBigInt([0, 1, 2, 3])).copyWithin(0, -2, -10),
+ convertToBigInt([0, 1, 2, 3])
+ ),
+ '[0, 1, 2, 3].copyWithin(0, -2, -10) -> [0, 1, 2, 3]'
+ );
+
+ assert(
+ compareArray(
+ new TA(convertToBigInt([1, 2, 3, 4, 5])).copyWithin(0, -2, -Infinity),
+ convertToBigInt([1, 2, 3, 4, 5])
+ ),
+ '[1, 2, 3, 4, 5].copyWithin(0, -2, -Infinity) -> [1, 2, 3, 4, 5]'
+ );
+
+ assert(
+ compareArray(
+ new TA(convertToBigInt([0, 1, 2, 3])).copyWithin(0, -9, -10),
+ convertToBigInt([0, 1, 2, 3])
+ ),
+ '[0, 1, 2, 3].copyWithin(0, -9, -10) -> [0, 1, 2, 3]'
+ );
+
+ assert(
+ compareArray(
+ new TA(convertToBigInt([1, 2, 3, 4, 5])).copyWithin(0, -9, -Infinity),
+ convertToBigInt([1, 2, 3, 4, 5])
+ ),
+ '[1, 2, 3, 4, 5].copyWithin(0, -9, -Infinity) -> [1, 2, 3, 4, 5]'
+ );
+
+ assert(
+ compareArray(
+ new TA(convertToBigInt([0, 1, 2, 3])).copyWithin(-3, -2, -10),
+ convertToBigInt([0, 1, 2, 3])
+ ),
+ '[0, 1, 2, 3].copyWithin(-3, -2, -10) -> [0, 1, 2, 3]'
+ );
+
+ assert(
+ compareArray(
+ new TA(convertToBigInt([1, 2, 3, 4, 5])).copyWithin(-3, -2, -Infinity),
+ convertToBigInt([1, 2, 3, 4, 5])
+ ),
+ '[1, 2, 3, 4, 5].copyWithin(-3, -2, -Infinity) -> [1, 2, 3, 4, 5]'
+ );
+
+ assert(
+ compareArray(
+ new TA(convertToBigInt([0, 1, 2, 3])).copyWithin(-7, -8, -9),
+ convertToBigInt([0, 1, 2, 3])
+ ),
+ '[0, 1, 2, 3].copyWithin(-7, -8, -9) -> [0, 1, 2, 3]'
+ );
+
+ assert(
+ compareArray(
+ new TA(convertToBigInt([1, 2, 3, 4, 5])).copyWithin(-7, -8, -Infinity),
+ convertToBigInt([1, 2, 3, 4, 5])
+ ),
+ '[1, 2, 3, 4, 5].copyWithin(-7, -8, -Infinity) -> [1, 2, 3, 4, 5]'
+ );
+});