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// |jit-test| --enable-arraybuffer-resizable; skip-if: !ArrayBuffer.prototype.resize
function fillArrayBuffer(rab) {
let fill = new Int8Array(rab);
for (let i = 0; i < fill.length; ++i) fill[i] = i + 1;
}
function test() {
let rab = new ArrayBuffer(4, {maxByteLength: 4});
let ta = new Int8Array(rab, 2, 2);
fillArrayBuffer(rab);
assertEq(ta[0], 3);
assertEq(ta[1], 4);
// Shrink to make |ta| out-of-bounds.
rab.resize(3);
// Request GC to move inline data.
gc();
// Grow to make |ta| in-bounds again.
rab.resize(4);
assertEq(ta[0], 3);
assertEq(ta[1], 0);
}
test();
function testAutoLength() {
let rab = new ArrayBuffer(4, {maxByteLength: 4});
let ta = new Int8Array(rab, 2);
fillArrayBuffer(rab);
assertEq(ta[0], 3);
assertEq(ta[1], 4);
// Shrink to make |ta| out-of-bounds.
rab.resize(1);
// Request GC to move inline data.
gc();
// Grow to make |ta| in-bounds again.
rab.resize(4);
assertEq(ta[0], 0);
assertEq(ta[1], 0);
}
testAutoLength();
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