Point1:
Make sure all tests are fully automatic and that they check their own result!
Point2:
A suite of tests is a powerful bug detector that decapites the time it takes to find bugs.
Point3:
Run your tests frequently. Localize tests whenever you compile---every test at least every day.
Point4:
When you get a bug report ,start by writing a unit test that exposes the bug.
Point5:
The key to testing is to test the areas that you are most worried about going wrong.，a key tricki with tests is to look for boundary conditions.
Point6:
It is better to write and run incomplete tests than not to run complete tests.
Point7:
Don't forget to test that exceptions are raised when things are expected to go wrong.
作者在这里提到了两种测试的不同unit tests and functional tests
unit test is a kind of test that is used to improve the productivity of programmers,it is highly localized,each works within a single package.
while functional tests are used to ensure the software as a whole works,they are often done by another group of people.
从昨天开始我接触到了JUnit，以前这个东西对我来说是完全未知的，但是由于种种原因没有去仔细研究，昨天忽然发现JUnit是由Kent Beck和Erich Gamma(<<设计模式>>作者)开发的(现在是开源项目)，我不得不说：物以类聚了！JUnit
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