1 files changed, 27 insertions, 0 deletions
diff --git a/vendor/varisat/tests/cnfs.rs b/vendor/varisat/tests/cnfs.rs
new file mode 100644
index 000000000..8797c6596
--- /dev/null
+++ b/vendor/varisat/tests/cnfs.rs
@@ -0,0 +1,27 @@
+use std::collections::HashSet;
+
+use varisat::{solver::Solver, Lit};
+
+macro_rules! test_cnf {
+    ($name:ident, $result:expr) => {
+        #[test]
+        fn $name() {
+            let cnf = include_bytes!(concat!("cnfs/", stringify!($name), ".cnf"));
+            let mut solver = Solver::new();
+            solver.enable_self_checking();
+            let formula = varisat_dimacs::DimacsParser::parse(&cnf[..]).expect("parsing failed");
+            solver.add_formula(&formula);
+            let result = $result;
+            assert_eq!(solver.solve().expect("solve failed"), result);
+            if result {
+                let model: HashSet<Lit> = solver.model().unwrap().into_iter().collect();
+                for clause in formula.iter() {
+                    assert!(clause.iter().any(|&lit| model.contains(&lit)));
+                }
+            }
+        }
+    };
+}
+
+test_cnf!(sgen1_unsat_57_0, false);
+test_cnf!(sgen1_sat_90_0, true);