Files
scryer-prolog/tests/scryer/issues.rs
2021-06-02 17:15:31 +02:00

162 lines
3.3 KiB
Rust

use crate::helper::{load_module_test, run_top_level_test_no_args, run_top_level_test_with_args};
// 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",
" \
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\
",
"\
caught: e\n\
false.\n\
caught: e\n\
false.\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\
",
" \
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\
",
"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).
",
" \
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"], "", "")
}
// 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", "abfalse.\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'].",
"\
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.",
" freeze:freeze(X,user:false).\n",
);
}
// issue #831
#[test]
fn call_0() {
load_module_test(
"tests-pl/issue831-call0.pl",
"caught: error(existence_error(procedure,call/0),call/0)\n",
);
}