src/cdk/keycodes/modifiers.spec.ts - main - githubmirror/components

src/cdk/keycodes/modifiers.spec.ts
56 строк2 KB
Paul Gschwendtner
refactor: re-format all tracked files with prettier
18 окт 2021, 21:58
18 окт 2021, 21:583704400
import {createKeyboardEvent} from '../testing/private';
import {hasModifierKey} from './modifiers';

describe('keyboard modifiers', () => {
  it('should check whether the alt key is pressed', () => {
    const event = createKeyboardEvent('keydown', 0);
    const altEvent = createKeyboardEvent('keydown', 0, '', {alt: true});

    expect(hasModifierKey(event)).toBe(false);
    expect(hasModifierKey(altEvent)).toBe(true);
  });

  it('should check whether the shift key is pressed', () => {
    const event = createKeyboardEvent('keydown', 0);
    const shiftEvent = createKeyboardEvent('keydown', 0, '', {shift: true});

    expect(hasModifierKey(event)).toBe(false);
    expect(hasModifierKey(shiftEvent)).toBe(true);
  });

  it('should check whether the meta key is pressed', () => {
    const event = createKeyboardEvent('keydown', 0);
    const metaEvent = createKeyboardEvent('keydown', 0, '', {meta: true});

    expect(hasModifierKey(event)).toBe(false);
    expect(hasModifierKey(metaEvent)).toBe(true);
  });

  it('should check whether the ctrl key is pressed', () => {
    const event = createKeyboardEvent('keydown', 0);
    const ctrlEvent = createKeyboardEvent('keydown', 0, '', {control: true});

    expect(hasModifierKey(event)).toBe(false);
    expect(hasModifierKey(ctrlEvent)).toBe(true);
  });

  it('should check if a particular modifier key is pressed', () => {
    const ctrlEvent = createKeyboardEvent('keydown', 0, '', {control: true});
    const ctrlAltEvent = createKeyboardEvent('keydown', 0, '', {control: true, alt: true});

    expect(hasModifierKey(ctrlEvent, 'altKey')).toBe(false);
    expect(hasModifierKey(ctrlAltEvent, 'altKey')).toBe(true);
  });

  it('should check if multiple specific modifier keys are pressed', () => {
    const ctrlEvent = createKeyboardEvent('keydown', 0, '', {control: true});
    const ctrlAltShiftEvent = createKeyboardEvent('keydown', 0, '', {
      control: true,
      alt: true,
      shift: true,
    });

    expect(hasModifierKey(ctrlEvent, 'altKey', 'shiftKey')).toBe(false);
    expect(hasModifierKey(ctrlAltShiftEvent, 'altKey', 'shiftKey')).toBe(true);
  });
});