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// Add Uint8Array[Symbol.species] to return Float64Array arrays from slice().
newGlobal().evaluate(`
Object.defineProperty(Uint8Array, Symbol.species, {
get() { return Float64Array; }
});
let result = new Uint8Array([1, 2, 3]).slice(0, 2);
assertEq(result.constructor, Float64Array);
assertEq(result instanceof Float64Array, true);
`);
// Change prototype of Uint8Array to return Float64Array arrays from slice().
newGlobal().evaluate(`
Uint8Array.prototype.slice = Int8Array.prototype.slice;
Object.setPrototypeOf(Uint8Array, {
[Symbol.species]: Float64Array,
});
let result = new Uint8Array([1, 2, 3]).slice(0, 2);
assertEq(result.constructor, Float64Array);
assertEq(result instanceof Float64Array, true);
`);