JUnit test case to check if file was created

Question

I have created a simple program that wil create the dat file through buffered writer and will write some data into that file , now please advise what junit test cases I can have through which I can check whether the file is created or not in c: drive , I am using junit 3 , please advise.

Answer 1

File file = new File("c:/pathOfTheCreatedFile");
assertTrue(file.exists());
// TODO: read the file. Check that it contains what it's supposed to contain