Android-Android单元测试出错

Question

做一个简单的单元测试，结果出错，不知道怎么解决
项目简单描述：新建一个Android项目，对于其中的类的方法进行测试，结果一直出现错误
下面是报错代码

05-07 08:43:57.728: E/AndroidRuntime(29011): java.lang.RuntimeException: Exception thrown in onCreate() of ComponentInfo{com.example.testjunitproject/android.test.InstrumentationTestRunner}: java.lang.RuntimeException: Could not access test class. Class: com.example.testjunitproject.ProgressServiceJunit

Answer 1

从google code可以知道:
https://code.google.com/p/android-source-browsing/source/browse/test-runner/android/test/AndroidTestRunner.java

private TestCase buildSingleTestMethod(Class testClass, String testMethodName) {
try {
TestCase testCase = (TestCase) testClass.newInstance();
testCase.setName(testMethodName);
return testCase;
} catch (IllegalAccessException e) {
runFailed("Could not access test class. Class: " + testClass.getName());
} catch (InstantiationException e) {
runFailed("Could not instantiate test class. Class: " + testClass.getName());
}
return null;
}

这里抛了一个IllegalAccessException.

你没把你的com.example.testjunitproject.ProgressServiceJunit 做了一个私有的构造函数吧.