duktape/ecmascript-testcases/test-bi-array-write-invalid-length.js

/*
 *  Attempt to write a value outside unsigned 32-bit range to an Array's
 *  'length' property is a RangeError.
 */

/*===
RangeError
0
4294967295
RangeError
0
RangeError
0
4294967295
RangeError
0
===*/

function test() {
    var a;

    // Write directly

    try {
        a = [];
        a.length = -1;
    } catch (e) {
        print(e.name);
    }
    print(a.length);

    try {
        a = [];
        a.length = 0xffffffff;  // valid
    } catch (e) {
        print(e.name);
    }
    print(a.length);

    try {
        a = [];
        a.length = 0xffffffff + 1;
    } catch (e) {
        print(e.name);
    }
    print(a.length);

    // Write using defineProperty()

    try {
        a = [];
        Object.defineProperty(a, 'length', { value: -1 });
    } catch (e) {
        print(e.name);
    }
    print(a.length);

    try {
        a = [];
        Object.defineProperty(a, 'length', { value: 0xffffffff });  // valid
    } catch (e) {
        print(e.name);
    }
    print(a.length);

    try {
        a = [];
        Object.defineProperty(a, 'length', { value: 0xffffffff + 1 });
    } catch (e) {
        print(e.name);
    }
    print(a.length);
}

try {
    test();
} catch (e) {
    print(e);
}