Files
mercury/tests/general/string_test.m
Zoltan Somogyi 84223268a0 Delete the tests/general/interpreter test case.
tests/general/interpreter.{m,inp,exp}:
tests/general/Mmakefile:
    As above: delete this test case.

samples/interpreter.m:
    Delete reference to the deleted test case.

tests/debugger/interpreter.m:
    Delete reference to the deleted test case in this copy of
    samples/interpreter.m.

tests/debugger/interpreter.exp:
tests/debugger/interpreter.exp2:
    The last update of interpreter.exp was in 2003. The command we invoke
    this test case with has changed several times since then, but none
    of them have been reflected in interpreter.exp, so now there is no way
    for it to be matched. This diff deletes interpreter.exp, and renames
    the old interpreter.exp2 to become the new interpreter.exp.

tests/general/arithmetic.nl:
tests/general/interpreter.nl:
tests/general/string_test.nl:
    Delete these relics of the time when we compared output generated
    by Mercury to output generated by NU-Prolog, since NU-Prolog is long dead.

tests/general/arithmetic.m:
tests/general/string_test.m:
    Update programming style, and factor out common code.
2022-03-04 17:25:20 +11:00

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%---------------------------------------------------------------------------%
% vim: ts=4 sw=4 et ft=mercury
%---------------------------------------------------------------------------%
:- module string_test.
:- interface.
:- import_module io.
:- pred main(io::di, io::uo) is det.
:- implementation.
:- import_module list.
:- import_module require.
:- import_module string.
main(!IO) :-
test("foo", "bar", !IO).
:- pred test(string::in, string::in, io::di, io::uo) is det.
test(X, Y, !IO) :-
write_message("X", X, !IO),
write_message("Y", Y, !IO),
string.append(X, Y, Z),
write_message("X append Y", Z, !IO),
string.capitalize_first(X, CapX),
write_message("capitalize_first X", CapX, !IO),
string.uncapitalize_first(CapX, UnCapX),
write_message("uncapitalize_first CapX", UnCapX, !IO),
string.int_to_string(1234, Num),
write_message("int_to_string 1234", Num, !IO),
string.int_to_base_string(1234, 8, Num8),
write_message("octal 1234", Num8, !IO),
string.int_to_base_string(1234, 16, Num16),
write_message("hexadecimal 1234", Num16, !IO),
NumG1 = string.int_to_base_string_group(1234, 10, 3, ","),
write_message("Grouped 1234", NumG1, !IO),
NumG2 = string.int_to_base_string_group(113, 2, 1, "--"),
write_message("Grouped 113", NumG2, !IO),
NumG3 = string.int_to_string_thousands(1300000),
write_message("Grouped 1300000", NumG3, !IO),
NumG4 = string.int_to_base_string_group(45999, 10, 0, ","),
write_message("Non Grouped 45999", NumG4, !IO),
string.duplicate_char('f', 5, FiveFs),
string.duplicate_char('φ', 5, FivePhis),
( if string.to_int("5678", Num5678) then
io.format("string_to_int 5678: %d\n", [i(Num5678)], !IO)
else
error("string.to_int(""5678"", _) failed")
),
( if string.to_int("asdf", _) then
error("string.to_int(""asdf"", _) succeeded")
else
true
),
write_message("Five f's", FiveFs, !IO),
string.pad_right(FiveFs, '.', 10, FsAndDots),
write_message("Five f's and five dots", FsAndDots, !IO),
string.pad_left(FsAndDots, '-', 15, DashesFsAndDots),
write_message("Five dashes, five f's and five dots", DashesFsAndDots, !IO),
write_message("Five φ's", FivePhis, !IO),
string.pad_right(FivePhis, '.', 10, PhisAndDots),
write_message("Five φ's and five dots", PhisAndDots, !IO),
string.pad_left(PhisAndDots, '-', 15, DashesPhisAndDots),
write_message("Five dashes, five φ's and five dots",
DashesPhisAndDots, !IO),
Table = string.format_table([
left(["aaa", "b", "cc"]),
left(["áaȧ", "б", "цц"]),
right(["1111111", "", "333"]),
right(["¹½⅓¼⅕⅙⅛", "", "¾⅘⅚"]),
right(["1,300,000.00", "9,999.00", "123,456,789.99"])
], "|"),
io.write_string(Table, !IO),
io.nl(!IO),
Wrapped = string.word_wrap("*aaaaaaaaaaaaaaaaaaaa* bbbbb bbb b\t"
++ " ccccc c c c cccc c c c c ccccc ccc cccc c ccc ccc ccc "
++ "*dddddddddddddddddddddddddddddddddddddddddddddddddddddd*"
++ " eee",
10),
WrappedHyphen =
string.word_wrap_separator(
"*aaaaaaaaaaaaaaaaaaaa* bbbbb bbb b\t"
++ " ccccc c c c cccc c c c c ccccc ccc cccc c ccc ccc ccc "
++ "*dddddddddddddddddddddddddddddddddddddddddddddddddddddd*"
++ " eee",
10, "-"),
WrappedDots =
string.word_wrap_separator("*aaaaaa* bbbbb bbb b\t"
++ " ccccc c c c cccc c c c c ccccc ccc cccc c ccc ccc ccc "
++ "*dddddddddddddd*"
++ " eee",
5, "..."),
SepTooLong = string.word_wrap_separator("whatever", 2, "..."),
io.write_string("\nWrapped string:\n", !IO),
io.write_string(Wrapped, !IO),
io.write_string("\nWrapped string with hyphens:\n", !IO),
io.write_string(WrappedHyphen, !IO),
io.write_string("\nWrapped string with dots:\n", !IO),
io.write_string(WrappedDots, !IO),
io.write_string("\nWrapped string where separator is too long:\n", !IO),
io.write_string(SepTooLong, !IO),
io.nl(!IO).
:- pred write_message(string::in, string::in, io::di, io::uo) is det.
write_message(Msg, String, !IO) :-
io.format("%s: %s\n", [s(Msg), s(String)], !IO).