Create test for Lattice

src/test/storm-pars/analysis/LatticeTest.cpp

@@ -0,0 +1,38 @@
+//
+// Created by Jip Spel on 20.09.18.
+//
+
+// TODO: cleanup includes
+#include "gtest/gtest.h"
+#include "storm-config.h"
+#include "test/storm_gtest.h"
+#include "storm-pars/analysis/Lattice.h"
+#include "storm/storage/BitVector.h"
+
+TEST(LatticeTest, Simple) {
+    auto numberOfStates = 5;
+    auto above = storm::storage::BitVector(numberOfStates);
+    above.set(0);
+    auto below = storm::storage::BitVector(numberOfStates);
+    below.set(1);
+
+    auto lattice = storm::analysis::Lattice(above, below, numberOfStates);
+    EXPECT_EQ(storm::analysis::Lattice::ABOVE, lattice.compare(0,1));
+    EXPECT_EQ(storm::analysis::Lattice::BELOW, lattice.compare(1,0));
+    EXPECT_EQ(nullptr, lattice.getNode(2));
+
+    lattice.add(2);
+    EXPECT_EQ(storm::analysis::Lattice::ABOVE, lattice.compare(0,2));
+    EXPECT_EQ(storm::analysis::Lattice::ABOVE, lattice.compare(2,1));
+
+    lattice.add(3);
+    EXPECT_EQ(storm::analysis::Lattice::UNKNOWN, lattice.compare(2,3));
+    EXPECT_EQ(storm::analysis::Lattice::UNKNOWN, lattice.compare(3,2));
+
+    lattice.addToNode(4, lattice.getNode(2));
+    EXPECT_EQ(storm::analysis::Lattice::SAME, lattice.compare(2,4));
+    EXPECT_EQ(storm::analysis::Lattice::ABOVE, lattice.compare(0,4));
+    EXPECT_EQ(storm::analysis::Lattice::ABOVE, lattice.compare(4,1));
+    EXPECT_EQ(storm::analysis::Lattice::UNKNOWN, lattice.compare(4,3));
+    EXPECT_EQ(storm::analysis::Lattice::UNKNOWN, lattice.compare(3,4));
+}