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function testCmpXchg8() {
let i8 = new Int8Array(4);
for (let i = 0; i < 100; ++i) {
// Reset the first element.
i8[0] = 0;
// Set the first element to -1.
Atomics.compareExchange(i8, 0, 0, -1);
// Ensure only the first element was modified.
assertEq(i8[0], -1);
assertEq(i8[1], 0);
assertEq(i8[2], 0);
assertEq(i8[3], 0);
}
}
testCmpXchg8();
function testCmpXchg16() {
let i16 = new Int16Array(2);
for (let i = 0; i < 100; ++i) {
// Reset the first element.
i16[0] = 0;
// Set the first element to -1.
Atomics.compareExchange(i16, 0, 0, -1);
// Ensure only the first element was modified.
assertEq(i16[0], -1);
assertEq(i16[1], 0);
}
}
testCmpXchg16();