refactor with unittest

R=nweiz@google.com

Review URL: https://codereview.chromium.org//867133002
24 files changed
tree: 03eaa7f5b8783ba5643779b82e2c64f149069948
  1. .gitignore
  2. .status
  3. CHANGELOG.md
  4. LICENSE
  5. README.md
  6. codereview.settings
  7. lib/
  8. pubspec.yaml
  9. test/
README.md

Support for specifying test expectations, such as for unit tests.

The matcher library provides a third-generation assertion mechanism, drawing inspiration from Hamcrest.

For more information, see Unit Testing with Dart.