ladybird/Libraries/LibJS/Tests/builtins/SharedArrayBuffer/SharedArrayBuffer.js

test("basic functionality", () => {
    expect(SharedArrayBuffer).toHaveLength(1);
    expect(SharedArrayBuffer.name).toBe("SharedArrayBuffer");
    expect(SharedArrayBuffer.prototype.constructor).toBe(SharedArrayBuffer);
    expect(new SharedArrayBuffer()).toBeInstanceOf(SharedArrayBuffer);
    expect(typeof new SharedArrayBuffer()).toBe("object");
});

test("SharedArrayBuffer constructor must be invoked with 'new'", () => {
    expect(() => {
        SharedArrayBuffer();
    }).toThrowWithMessage(TypeError, "SharedArrayBuffer constructor must be called with 'new'");
});

test("SharedArrayBuffer size limit", () => {
    expect(() => {
        new SharedArrayBuffer(2 ** 53);
    }).toThrowWithMessage(RangeError, "Invalid shared array buffer length");
});