when:
        inputs.files("a", "b").withPropertyName("prop")
        then:
        inputs.hasInputs
        !inputs.hasSourceFiles
    }

    def "can register source files"() {
        when:
        inputs.files(["s1", "s2"]).skipWhenEmpty()
        then:
        inputs.hasSourceFiles
        inputs.sourceFiles.files == files("s1", "s2")
        inputFileProperties() == ['$1': ["s1", "s2"]]
    }

            fileProperties = FileParameterUtils.collectFileProperties("input", specs.iterator());
        }
        return fileProperties;
    }

    public boolean hasSourceFiles() {
        return hasSourceFiles;
    }

        GetInputFilesVisitor visitor = new GetInputFilesVisitor(task.toString(), fileCollectionFactory);
        TaskPropertyUtils.visitProperties(propertyWalker, task, visitor);
        return visitor.hasSourceFiles();
    }

    @Override
    public FileCollection getSourceFiles() {
        return allSourceFiles;
    }

    @Override
    public Map<String, Object> getProperties() {