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// |jit-test| skip-if: !this.SharedArrayBuffer
load(libdir + "asserts.js");
var sab = new SharedArrayBuffer(1 * Int32Array.BYTES_PER_ELEMENT);
// Make a copy, sharing the same memory
var sab2 = (setSharedObject(sab), getSharedObject());
// Assert it's not the same object
assertEq(sab === sab2, false);
// Assert they're sharing memory
new Int32Array(sab)[0] = 0x12345678;
assertEq(new Int32Array(sab2)[0], 0x12345678)
sab.constructor = {
[Symbol.species]: function(length) {
return sab2;
}
};
// This should throw because the buffer being sliced shares memory with the new
// buffer it constructs.
assertThrowsInstanceOf(() => sab.slice(), TypeError);