serenity/Tests/LibWeb/Text/input/HTML/StructuredClone-array-buffer-views.html

<script src="../include.js"></script>
<script>
    const TYPED_ARRAYS = [
        Uint8Array,
        Uint8ClampedArray,
        Uint16Array,
        Uint32Array,
        Int8Array,
        Int16Array,
        Int32Array,
        Float32Array,
        Float64Array,
    ];

    const BIGINT_TYPED_ARRAYS = [BigUint64Array, BigInt64Array];

    test(() => {
        TYPED_ARRAYS.forEach(T => {
            const a = new T([30, 40, 50, 60]);
            let b = structuredClone(a)
            if (!a.every((value, index) => value === b[index]))
                println("FAIL")
            println(`${b[Symbol.toStringTag]} ${b}`)
        });

        BIGINT_TYPED_ARRAYS.forEach(T => {
            const a = new T([30n, 40n, 50n, 60n]);
            let b = structuredClone(a)
            if (!a.every((value, index) => value === b[index]))
                println("FAIL")

            println(`${b[Symbol.toStringTag]} ${b}`)
        });

        // Test DataView clone
        let a = new ArrayBuffer(64);
        for(let i = 0; i < a.byteLength; ++i) {
            a[i] = i;
        }
        let view = new DataView(a);
        let view2 = structuredClone(view);
        if (view.buffer === view2.buffer)
            println("FAIL: Buffer not deep copied");

        for (let i = 0; i < view.byteLength; ++i) {
            if (!view[i] === view2[i])
                println("FAIL: Data not copied")
        }
        println(`${view2[Symbol.toStringTag]} ${view2}`)
    });
</script>