// |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();