bigint-clone-canon.js

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function str(u32a) {

    return [].map.call(u32a, n => n.toString(16).padStart(8, 0)).join(",");

function test() {

    const n = 0xfeeddeadbeef2dadfeeddeadbeef2dadfeeddeadbeef2dadfeeddeadbeef2dadn;

    const s = serialize(n, [], {scope: 'DifferentProcess'});

    assertEq(deserialize(s), n);

    print(deserialize(s));

    const synthetic = new Uint32Array(s.arraybuffer.byteLength / 4 + 2);

    synthetic.set(new Uint32Array(s.arraybuffer)); // Copy the clone buffer data into the beginning.

    print(synthetic[2]);

    // Add 2 32-bit words to the BigInt length. Unfortunately, the size stored in a BigInt header

    // counts native words.

    synthetic[2] += 2 * 4 / getBuildConfiguration('pointer-byte-size');

    // End elements will have been initialized to zero already.

    s.clonebuffer = synthetic.buffer;

    assertEq(deserialize(s), n);

    print("Example buffers:")

    print(str(new Uint32Array(s.arraybuffer)));

    print(str(new Uint32Array(serialize(0xfeeddeadbeef2dadfeeddeadbeef2dadn).arraybuffer)));

    print(str(new Uint32Array(serialize(0xfeeddeadbeef2dadn).arraybuffer)));

test();