import '@testing-library/jest-dom';

// Mock crypto.getRandomValues
Object.defineProperty(window, 'crypto', {
  value: {
    getRandomValues: function(buffer: Uint8Array) {
      for (let i = 0; i < buffer.length; i++) {
        buffer[i] = Math.floor(Math.random() * 256);
      }
      return buffer;
    }
  }
});

// Mock matchMedia
Object.defineProperty(window, 'matchMedia', {
  writable: true,
  value: jest.fn().mockImplementation(query => ({
    matches: false,
    media: query,
    onchange: null,
    addListener: jest.fn(), // deprecated
    removeListener: jest.fn(), // deprecated
    addEventListener: jest.fn(),
    removeEventListener: jest.fn(),
    dispatchEvent: jest.fn(),
  })),
});