Add unit test for Maze::positionConsideringTunnel()

demo/test/maze.cpp

@@ -0,0 +1,37 @@
+#include "utils/maze.hpp"
+
+#include <gtest/gtest.h>
+
+namespace utils::a_star {
+
+using namespace demo;
+
+TEST(MazeState, positionConsideringTunnel) {
+    const char str[] = {"### #"
+                        "#    "
+                        "### #"};
+    Maze maze{makeCustomMazeState({5, 3}, str)};
+
+    // Regular position -> no wrapping
+    EXPECT_EQ(maze.positionConsideringTunnel({1, 1}).x, 1);
+    EXPECT_EQ(maze.positionConsideringTunnel({1, 1}).y, 1);
+
+    // Regular position -> no wrapping
+    EXPECT_EQ(maze.positionConsideringTunnel({4, 1}).x, 4);
+    EXPECT_EQ(maze.positionConsideringTunnel({4, 1}).y, 1);
+
+    // Position out of maze, without tunnel -> clamping
+    EXPECT_EQ(maze.positionConsideringTunnel({5, 1}).x, 4);
+    EXPECT_EQ(maze.positionConsideringTunnel({5, 1}).y, 1);
+
+    // Regular position -> no wrapping
+    EXPECT_EQ(maze.positionConsideringTunnel({3, 0}).x, 3);
+    EXPECT_EQ(maze.positionConsideringTunnel({3, 0}).y, 0);
+
+    // Position out of maze, with tunnel -> wrapping
+    EXPECT_EQ(maze.positionConsideringTunnel({3, -1}).x, 3);
+    EXPECT_EQ(maze.positionConsideringTunnel({3, -1}).y, 2);
+}
+
+
+} // namespace utils::a_star