code: @Test public void should_fail_if_path_does_not_have_expected_binary_content() throws IOException {
    BinaryDiffResult binaryDiffs=new BinaryDiffResult(15,(byte)0xCA,(byte)0xFE);
    when(binaryDiff.diff(path.toFile(),expected)).thenReturn(binaryDiffs);
    when(nioFilesWrapper.exists(path)).thenReturn(true);
    when(nioFilesWrapper.isReadable(path)).thenReturn(true);
    AssertionInfo info=someInfo();
    try {
      paths.assertHasBinaryContent(info,path,expected);
    }
   catch (  AssertionError e) {
      verify(failures).failure(info,shouldHaveBinaryContent(path.toFile(),binaryDiffs));
      return;
    }
    failBecauseExpectedAssertionErrorWasNotThrown();
  }
  