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:- object(tests,
	extends(lgtunit)).

	:- info([
		version is 1:1:0,
		author is 'Paul Brown and Paulo Moura',
		date is 2022-05-29,
		comment is 'Unit tests for the atomic_list_concat/2 predicate.'
	]).

	:- uses(user, [
		atomic_list_concat/2
	]).

	quick_check(atomic_list_concat_2_property, atomic_list_concat(+list(atomic), -atom)).

	test(atomic_list_concat_2_empty, deterministic(Res == '')) :-
		atomic_list_concat([], Res).

	test(atomic_list_concat_2_long_empty_list, deterministic(Res == 'a1b+2.0[]c-3.5')) :-
		atomic_list_concat([a, 1, b, '', +, 2.0, [], c, -3.5], Res).

	test(atomic_list_concat_2_long_empty_curly, deterministic(Res == 'a1b+2.0{}c-3.5')) :-
		atomic_list_concat([a, 1, b, '', +, 2.0, {}, c, -3.5], Res).

	test(atomic_list_concat_2_var_head, error(instantiation_error)) :-
		atomic_list_concat([_, bar], foobar).

	test(atomic_list_concat_2_var_tail, error(instantiation_error)) :-
		atomic_list_concat([foo, bar| _], foobar).

	test(atomic_list_concat_2_non_atomic_in_first, error(type_error(atomic,a(1)))) :-
		atomic_list_concat([a(1), bar], foobar).

	test(atomic_list_concat_2_non_atom_second, error(type_error(atom,a(1)))) :-
		atomic_list_concat([foo, bar], a(1)).

:- end_object.
