(上)在Android中利用Instrumentation进行单元测试
1、编写程序
我新建了一个项目TestApp,参数为:
Package Name: com.android.testapp Activity Name: MainActivity Application Name: TestApp |
以下是MainActivity的源代码:
packagecom.android.testapp; importandroid.app.Activity; importandroid.os.Bundle; publicclassMainActivityextendsActivity { /** Called when the activity is first created. */ @Override publicvoidonCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); } publicintsum(inta,intb) { returna + b; } publicintsubstract(inta,intb) { returnb - a; } } |
其中,我故意将减法的a – b写成了b – a。