import test from 'ava';
import Core from '../lib/core';

const Patterns = Core.Patterns;
const SpecialForms = Core.SpecialForms;
const Tuple = Core.Tuple;

test('case', t => {
  const clauses = [
    Patterns.clause(
      [
        new Tuple(
          Symbol.for('selector'),
          Patterns.variable(),
          Patterns.variable(),
        ),
      ],
      (i, value) => {
        return value;
      },
      i => {
        return Kernel.is_integer(i);
      },
    ),
    Patterns.clause([Patterns.variable()], value => {
      return value;
    }),
  ];

  const result = SpecialForms._case('thing', clauses);

  t.is(result, 'thing');
});