Files
mercury/tests/hard_coded/write.m
Tyson Dowd de66e8fc2c Add io__write/3 and io__write/4, which writes anything to the current,
Estimated hours taken: 30

Add io__write/3 and io__write/4, which writes anything to the current,
or specified, output stream.

(At fjh's request, these test cases have not yet been enabled).

tests/hard_coded/write.m:
tests/hard_coded/write.exp:
	Test for io__write, exercises all data types and representations.
1996-12-18 01:00:17 +00:00

135 lines
3.0 KiB
Mathematica

% Test case for io__write
%
% Author: trd
:- module write.
:- interface.
:- import_module io.
:- pred main(io__state::di, io__state::uo) is det.
:- implementation.
:- import_module list, int, std_util, term, map.
:- pred test_builtins(io__state::di, io__state::uo) is det.
:- pred test_discriminated(io__state::di, io__state::uo) is det.
:- pred test_polymorphism(io__state::di, io__state::uo) is det.
:- pred test_other(io__state::di, io__state::uo) is det.
:- pred newline(io__state::di, io__state::uo) is det.
:- type enum ---> one ; two ; three.
:- type fruit ---> apple(list(int))
; banana(list(enum)).
:- type thingie ---> foo ; bar(int) ; bar(int, int) ; qux(int) ;
quux(int) ; quuux(int, int) ; wombat ;
zoom(int) ; zap(int, float) ; zip(int, int) ;
zop(float, float).
:- type poly(A, B) ---> poly_one(A) ; poly_two(B) ;
poly_three(B, A, poly(B, A)).
:- type no_tag ---> qwerty(int).
main -->
test_discriminated,
test_polymorphism,
test_builtins,
test_other.
test_discriminated -->
io__write_string("TESTING DISCRIMINATED UNIONS\n"),
% test enumerations
io__write(one), newline,
io__write(two), newline,
io__write(three), newline,
% test simple tags
io__write(apple([9,5,1])), newline,
io__write(banana([three, one, two])), newline,
% test complicated tags
io__write(zop(3.3, 2.03)), newline,
io__write(zip(3, 2)), newline,
io__write(zap(3, -2.111)), newline,
% test complicated constant
io__write(wombat), newline,
io__write(foo), newline,
newline.
test_polymorphism -->
io__write_string("TESTING POLYMORPHISM\n"),
io__write(poly_one([2399.3])), newline,
io__write(poly_two(3)), newline,
io__write(poly_three(3.33, 4, poly_one(9.11))), newline,
newline.
test_builtins -->
io__write_string("TESTING BUILTINS\n"),
% test strings
io__write(""), newline,
io__write("Hello, world\n"), newline,
io__write("Foo%sFoo"), newline,
io__write(""""), newline, % interesting - prints """ of course
% test characters
io__write('a'), newline,
io__write('&'), newline,
% test floats
io__write(3.14159), newline,
io__write(11.28324983E-22), newline,
io__write(22.3954899E22), newline,
% test integers
io__write(-65), newline,
io__write(4), newline,
% test univ.
{ type_to_univ(["hi! I'm a univ!"], Univ) },
io__write(Univ), newline,
% test predicates
io__write(newline), newline,
newline.
% Note: testing abstract types is always going to have results
% that are dependent on the implementation. If someone changes
% the implementation, the results of this test can change.
test_other -->
io__write_string("TESTING OTHER TYPES\n"),
{ term__init_var_supply(VarSupply) },
{ term__create_var(VarSupply, Var, NewVarSupply) },
io__write(Var), newline,
io__write(VarSupply), newline,
io__write(NewVarSupply), newline,
% presently, at least, map is an equivalence and
% an abstract type.
{ map__init(Map) },
io__write(Map), newline,
% a no tag type
io__write(qwerty(4)), newline,
newline.
newline -->
io__write_char('\n').