Binary package “libtest-data-perl” in ubuntu eoan

module to check properties and values of data and variables

 Test::Data imports functions from plugin modules that allow testing of
 a wide range of properties of a variable. Plugin modules shipped in
 this package include Test::Data::Scalar, Test::Data::Array,
 Test::Data::Hash and Test::Data::Function. Tests range from
 blessed_ok() to array_sorted_descending_ok() or prototype_ok().