Function checkBinding

packages/compiler/test/expression_parser/parser_spec.ts:1812–1817

(exp: string, expected?: string)

}

function checkBinding(exp: string, expected?: string) {
  const ast = parseBinding(exp);
  if (expected == null) expected = exp;
  expect(unparse(ast)).toEqual(expected);
  validate(ast);
}

function checkAction(exp: string, expected?: string) {
  const ast = parseAction(exp);