    public void shouldNotAllowToListFileOutsideRoot() throws Exception {
        // given
        expectedException.expect(IllegalArgumentException.class);
        expectedException.expectMessage(containsString("this String argument must not contain the substring [..]"));

        // when
        logViewEndpoint.view("../somefile", null, null, null);
    }
The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the software does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.