package?com.ljp.downdemo;

import?android.content.Context;

import?androidx.test.platform.app.InstrumentationRegistry;
import?androidx.test.ext.junit.runners.AndroidJUnit4;

import?org.junit.Test;
import?org.junit.runner.RunWith;

import?static?org.junit.Assert.*;

/**
?*?Instrumented?test?which?will?execute?on?an?Android?device.
?*
?*?@see?Testing?documentation
?*/
@RunWith（AndroidJUnit4.class）
public?class?ExampleInstrumentedTest?{
????@Test
????public?void?useAppContext（）?{
????????//?Context?of?the?app?under?test.
????????Context?appContext?=?InstrumentationRegistry.getInstrumentation（）.getTargetContext（）;
????????assertEquals（“com.ljp.downdemo“?appContext.getPackageName（））;
????}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2020-06-24?14:47??DownDemo\
?????文件?????????222??2020-06-24?11:53??DownDemo\.gitignore
?????目錄???????????0??2020-06-24?11:53??DownDemo\.gradle\
?????目錄???????????0??2020-06-24?12:56??DownDemo\.gradle\6.1.1\
?????目錄???????????0??2020-06-24?12:56??DownDemo\.gradle\6.1.1\executionHistory\
?????文件??????889664??2020-06-24?14:31??DownDemo\.gradle\6.1.1\executionHistory\executionHistory.bin
?????文件??????????17??2020-06-24?14:31??DownDemo\.gradle\6.1.1\executionHistory\executionHistory.lock
?????目錄???????????0??2020-06-24?11:53??DownDemo\.gradle\6.1.1\fileChanges\
?????文件???????????1??2020-06-24?14:31??DownDemo\.gradle\6.1.1\fileChanges\last-build.bin
?????目錄???????????0??2020-06-24?12:56??DownDemo\.gradle\6.1.1\fileContent\
?????文件??????????17??2020-06-24?14:31??DownDemo\.gradle\6.1.1\fileContent\fileContent.lock
?????目錄???????????0??2020-06-24?12:56??DownDemo\.gradle\6.1.1\fileHashes\
?????文件???????68915??2020-06-24?14:31??DownDemo\.gradle\6.1.1\fileHashes\fileHashes.bin
?????文件??????????17??2020-06-24?14:31??DownDemo\.gradle\6.1.1\fileHashes\fileHashes.lock
?????文件???????18837??2020-06-24?14:11??DownDemo\.gradle\6.1.1\fileHashes\resourceHashesCache.bin
?????文件???????????0??2020-06-24?11:53??DownDemo\.gradle\6.1.1\gc.properties
?????目錄???????????0??2020-06-24?12:56??DownDemo\.gradle\6.1.1\javaCompile\
?????文件???????80648??2020-06-24?14:31??DownDemo\.gradle\6.1.1\javaCompile\classAnalysis.bin
?????文件???????93293??2020-06-24?14:11??DownDemo\.gradle\6.1.1\javaCompile\jarAnalysis.bin
?????文件??????????17??2020-06-24?14:31??DownDemo\.gradle\6.1.1\javaCompile\javaCompile.lock
?????文件???????28116??2020-06-24?14:31??DownDemo\.gradle\6.1.1\javaCompile\taskHistory.bin
?????目錄???????????0??2020-06-24?11:53??DownDemo\.gradle\6.1.1\vcsmetadata-1\
?????目錄???????????0??2020-06-24?12:56??DownDemo\.gradle\buildOutputCleanup\
?????文件??????????17??2020-06-24?14:31??DownDemo\.gradle\buildOutputCleanup\buildOutputCleanup.lock
?????文件??????????53??2020-06-24?11:53??DownDemo\.gradle\buildOutputCleanup\cache.properties
?????文件???????20927??2020-06-24?14:31??DownDemo\.gradle\buildOutputCleanup\outputFiles.bin
?????目錄???????????0??2020-06-24?11:53??DownDemo\.gradle\checksums\
?????文件??????????17??2020-06-24?14:31??DownDemo\.gradle\checksums\checksums.lock
?????目錄???????????0??2020-06-24?11:53??DownDemo\.gradle\vcs-1\
?????文件???????????0??2020-06-24?11:53??DownDemo\.gradle\vcs-1\gc.properties
?????目錄???????????0??2020-06-24?14:46??DownDemo\.idea\
............此處省略138個文件信息