FileInputStreamWrapper { public void setFileName(String fileName) { this.fileName = fileName; } FileInputStreamWrapper(String fileName, InputStream inputStream); String getFileName(); void setFileName(String fileName); InputStream getInputStream(); void setInputStream(InputStream inputStream);  }
@Test public void testSetFileName_1() throws Exception { FileInputStreamWrapper fixture = new FileInputStreamWrapper("", new PipedInputStream()); String fileName = ""; fixture.setFileName(fileName); }