### Question:
InputPdfArgumentsLoadRequest { public ModuleInputOutputType requiredInputTyle(){ return pdfs.size() > 1 ? ModuleInputOutputType.MULTIPLE_PDF : ModuleInputOutputType.SINGLE_PDF; }  ModuleInputOutputType requiredInputTyle(); final List<Path> pdfs; }### Answer:
@Test public void requiredInputTyle() throws Exception { victim.pdfs.add(folder.newFile().toPath()); assertEquals(ModuleInputOutputType.SINGLE_PDF, victim.requiredInputTyle()); victim.pdfs.add(folder.newFile().toPath()); assertEquals(ModuleInputOutputType.MULTIPLE_PDF, victim.requiredInputTyle()); }