Function test

lib/web/CodeMirror/test/vim_test.js:1165–1169

(key, mode)

  helpers.doKeys('<Esc>', '<Esc>');
  cm.on('vim-mode-change', callback);
  function test(key, mode) {
    modeHist.length = 0;
    helpers.doKeys(key);
    eq(modeHist.join(';'), mode);
  }
  test('v', 'visual');
  test('c', 'insert');
  test('<Esc>', 'normal');