[ES6] Implement Array.prototype.copyWithin
https://bugs.webkit.org/show_bug.cgi?id=145107
Reviewed by Darin Adler.
Source/JavaScriptCore:
This patch implements ES6 Array.prototype.copyWithin.
It is intended to be used for copying the region to the other region
in the callee array itself safely (like memmove, not memcpy).
This function is proposed in the context of WebGL.
- builtins/Array.prototype.js:
(.maxWithPositives):
(.minWithMaybeNegativeZeroAndPositive):
(copyWithin):
- runtime/ArrayPrototype.cpp:
(JSC::ArrayPrototype::finishCreation):
- tests/stress/array-copywithin.js: Added.
(shouldBe):
(shouldBeArray):
(shouldThrow):
(arrayToObject):
(valueOf):
LayoutTests:
- js/Object-getOwnPropertyNames-expected.txt:
- js/script-tests/Object-getOwnPropertyNames.js:
