text: var readInstalled = require('../read-installed.js');
  var test = require('tap').test;
  var path = require('path');
  
  test('prerelease packages should not be marked invalid', function(t) {
    readInstalled(
      path.join(__dirname, 'fixtures/issue-40'),
      { log: console.error },
      function(err, map) {
        t.strictEqual(map.dependencies.fake.version, '0.1.0-2');
        t.notOk(map.dependencies.fake.invalid);
        t.end();
      }
    );
  });
  