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// Small (non-shared) TypedArrays can use inline storage and can also be nursery
// allocated. Ensure Atomics functions use correct rooting and don't store the
// TypedArray's data pointer on the stack across a GC.
const INLINE_MEMORY_LENGTH = 1;
function gcValue(value) {
return {
valueOf() {
minorgc();
return value;
}
};
};
// Atomics.store
{
let ta = new Int32Array(INLINE_MEMORY_LENGTH);
Atomics.store(ta, 0, gcValue(1));
assertEq(ta[0], 1);
}
// Atomics.compareExchange
{
let ta = new Int32Array(INLINE_MEMORY_LENGTH);
ta[0] = 1;
let val = Atomics.compareExchange(ta, 0, 1, gcValue(2));
assertEq(val, 1);
assertEq(ta[0], 2);
}
// Atomics.exchange
{
let ta = new Int32Array(INLINE_MEMORY_LENGTH);
ta[0] = 1;
let val = Atomics.exchange(ta, 0, gcValue(2));
assertEq(val, 1);
assertEq(ta[0], 2);
}
// Atomics.add
{
let ta = new Int32Array(INLINE_MEMORY_LENGTH);
ta[0] = 1;
let val = Atomics.add(ta, 0, gcValue(2));
assertEq(val, 1);
assertEq(ta[0], 3);
}
// Atomics.sub
{
let ta = new Int32Array(INLINE_MEMORY_LENGTH);
ta[0] = 3;
let val = Atomics.sub(ta, 0, gcValue(2));
assertEq(val, 3);
assertEq(ta[0], 1);
}
// Atomics.and
{
let ta = new Int32Array(INLINE_MEMORY_LENGTH);
ta[0] = 3;
let val = Atomics.and(ta, 0, gcValue(1));
assertEq(val, 3);
assertEq(ta[0], 1);
}
// Atomics.or
{
let ta = new Int32Array(INLINE_MEMORY_LENGTH);
ta[0] = 2;
let val = Atomics.or(ta, 0, gcValue(1));
assertEq(val, 2);
assertEq(ta[0], 3);
}
// Atomics.xor
{
let ta = new Int32Array(INLINE_MEMORY_LENGTH);
ta[0] = 3;
let val = Atomics.xor(ta, 0, gcValue(1));
assertEq(val, 3);
assertEq(ta[0], 2);
}
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