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

19 lines
765 B
JavaScript

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");
});