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// |jit-test| --enable-arraybuffer-resizable; skip-if: !this.SharedArrayBuffer?.prototype?.grow
var gsab = new SharedArrayBuffer(4, {maxByteLength: 16});
// Test byte lengths are correct.
assertEq(gsab.byteLength, 4);
assertEq(gsab.maxByteLength, 16);
// Pass |gsab| to the mailbox.
setSharedObject(gsab);
// Retrieve again from the mailbox to create a new growable shared array buffer
// which points to the same memory.
var gsab2 = getSharedObject();
assertEq(gsab !== gsab2, true, "different objects expected");
// Byte lengths are correct for both objects.
assertEq(gsab.byteLength, 4);
assertEq(gsab.maxByteLength, 16);
assertEq(gsab2.byteLength, 4);
assertEq(gsab2.maxByteLength, 16);
// Grow the original object.
gsab.grow(6);
// Byte lengths are correct for both objects.
assertEq(gsab.byteLength, 6);
assertEq(gsab.maxByteLength, 16);
assertEq(gsab2.byteLength, 6);
assertEq(gsab2.maxByteLength, 16);
// Grow the copy.
gsab2.grow(8);
// Byte lengths are correct for both objects.
assertEq(gsab.byteLength, 8);
assertEq(gsab.maxByteLength, 16);
assertEq(gsab2.byteLength, 8);
assertEq(gsab2.maxByteLength, 16);
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