Function match

packages/check/match_test.js:339–357

(value, pattern, expectedPath)

Tinytest.add('check - Match error path', test => {
  const match = (value, pattern, expectedPath) => {
    try {
      check(value, pattern);
    } catch (err) {

      // XXX just for FF 3.6, its JSON stringification prefers "\u000a" to "\n"
      err.path = err.path.replace(/\\u000a/, '\\n');
      if (err.path != expectedPath) {
        test.fail({
          type: 'match-error-path',
          message: "The path of Match.Error doesn't match.",
          pattern: JSON.stringify(pattern),
          value: JSON.stringify(value),
          path: err.path,
          expectedPath,
        });
      }
    }
  };

  match({ foo: [ { bar: 3 }, { bar: 'something' } ] }, { foo: [{ bar: Number }] }, 'foo[1].bar');