Files
scryer-prolog/tests/scryer/issues.rs
2023-11-04 02:16:54 -05:00

173 lines
3.5 KiB
Rust

use crate::helper::{load_module_test, run_top_level_test_no_args, run_top_level_test_with_args};
use serial_test::serial;
// issue #857
#[test]
fn display_constraints() {
run_top_level_test_no_args(
"\
X = 1.\n\
use_module(library(dif)).\n\
X = 1.\n\
dif(X,1).\n
halt.\n",
" \
X = 1.\n \
true.\n \
X = 1.\n \
dif:dif(X,1).\n\
",
);
}
// issue #852
#[test]
fn do_not_duplicate_path_components() {
run_top_level_test_no_args(
"\
['tests-pl/issue852-throw_e.pl'].\n\
['tests-pl/issue852-throw_e.pl'].\n\
halt.\n\
",
" throw(e).\n throw(e).\n",
);
}
// issue #844
#[test]
fn handle_residual_goal() {
run_top_level_test_no_args(
"\
use_module(library(dif)).\n\
use_module(library(atts)).\n\
-X\\=X.\n\
-X=X.\n\
dif(-X,X).\n\
dif(-X,X), -X=X.\n\
call_residue_vars(dif(-X,X), Vars).\n\
set_prolog_flag(occurs_check, true).\n\
-X\\=X.\n\
dif(-X,X).\n\
halt.\n\
",
" \
true.\n \
true.\n \
false.\n \
X = -X.\n \
dif:dif(-X,X).\n \
false.\n \
Vars = [X], dif:dif(-X,X).\n \
true.\n \
true.\n \
true.\n\
",
)
}
// issue #841
#[test]
fn occurs_check_flag() {
run_top_level_test_with_args(
["tests-pl/issue841-occurs-check.pl"],
"\
f(X, X).\n\
halt.\n\
",
" false.\n",
)
}
#[test]
fn occurs_check_flag2() {
run_top_level_test_no_args(
"\
set_prolog_flag(occurs_check, true).\n\
X = -X.\n\
asserta(f(X,g(X))).\n\
f(X,X).\n\
X-X = X-g(X).\n\
halt.\n\
",
" \
true.\n \
false.\n \
true.\n \
false.\n \
false.\n\
",
)
}
// issue #839
#[test]
fn op3() {
run_top_level_test_with_args(["tests-pl/issue839-op3.pl", "-g", "halt"], "", "")
}
// issue #820
#[test]
fn multiple_goals() {
run_top_level_test_with_args(
["-g", "test", "-g", "halt", "tests-pl/issue820-goals.pl"],
"",
"helloworld\n",
);
}
// issue #820
#[test]
fn compound_goal() {
run_top_level_test_with_args(
["-g", "test,halt", "tests-pl/issue820-goals.pl"],
"",
"helloworld\n",
)
}
// issue #815
#[test]
fn no_stutter() {
run_top_level_test_no_args(
"write(a), write(b), false.\n\
halt.\n\
",
"ab false.\n",
)
}
/*
// issue #812
#[test] // FIXME: the line number is of by one (should be 4), empty line not accounted for or starting to count at line 0?
fn singleton_warning() {
run_top_level_test_no_args(
"['tests-pl/issue812-singleton-warning.pl'].\n\
halt.\n",
"\
Warning: singleton variables X at line 3 of issue812-singleton-warning.pl\n \
true.\n\
",
);
}
*/
// issue #807
#[test]
fn ignored_constraint() {
run_top_level_test_no_args(
"use_module(library(freeze)), freeze(X,false), X \\=a.\n\
halt.",
" freeze:freeze(X,false).\n",
);
}
// issue #831
#[serial]
#[test]
fn call_0() {
load_module_test(
"tests-pl/issue831-call0.pl",
" error(existence_error(procedure,call/0),call/0).\n",
);
}