// Only apply default locations when none explicitly configured
            if (headerSourceSet.getExportedHeaders().getSourceDirectories().isEmpty()) {
                headerSourceSet.getExportedHeaders().srcDir("src/" + headerSourceSet.getParentName() + "/headers");
            }

        def file1 = new File("foo")
        def file2 = new File("bar")
        def file3 = new File("baz")
        def sourceSet = Mock(LanguageSourceSet)
        def sourceSet1 = headerSourceSet(file1, file2)
        def sourceSet2 = headerSourceSet(file3)
        inputs.addAll(sourceSet, sourceSet1, sourceSet2)

        and:
        exeBinary.inputs >> inputs
        exeBinary.libs >> []

        then:

    }

    private FileCollection fileCollection(List<File> files) {
        return Stub(FileCollection) {
            getFiles() >> files
        }
    }

    private HeaderExportingSourceSet headerSourceSet(List<File> exportedHeaders, List<File> implicitHeaders = []) {
        def exportedHeaderFiles = exportedHeaders as Set
        def implicitHeaderFiles = implicitHeaders as Set