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const tests = [
// Inline buffer.
{
byteLength: 0,
maxByteLength: 32,
},
{
byteLength: 16,
maxByteLength: 32,
},
{
byteLength: 32,
maxByteLength: 32,
},
// Malloced buffer.
{
byteLength: 0,
maxByteLength: 1024,
},
{
byteLength: 16,
maxByteLength: 1024,
},
{
byteLength: 1024,
maxByteLength: 1024,
},
];
for (let {byteLength, maxByteLength} of tests) {
let source = new ArrayBuffer(byteLength, {maxByteLength});
// Fill with a non-zero value.
new Uint8Array(source).fill(0xff);
// transfer() zeroes all bytes.
let target = source.transfer(0);
// Resize to the maximum byte length.
target.resize(maxByteLength);
// Ensure all bytes are zero.
let u8 = new Uint8Array(target);
let index = u8.findIndex(v => v !== 0);
assertEq(index, -1, `bad byte: ${u8[index]}`);
}