diff --git a/lab11/game_of_life/test.cpp b/lab11/game_of_life/test.cpp
new file mode 100644
index 0000000..f837f69
--- /dev/null
+++ b/lab11/game_of_life/test.cpp
@@ -0,0 +1,48 @@
+#include "test.h"
+#include "common.h"
+#include "game_of_life.h"
+#include "matrix.h"
+
+Matrix init_step(Matrix start) {
+  GameOfLife gol = GameOfLife(start, MPIGridSize());
+  gol.step();
+  return gol.getGrid();
+}
+
+TEST(test_underpopulation) {
+  Matrix start = Matrix::zeros(10);
+  start(0, 0) = 1;
+  Matrix end = init_step(start);
+  check(end(0, 0), 0);
+}
+
+TEST(test_survive) {
+  Matrix start = Matrix::zeros(10);
+  start(0, 0) = 1;
+  start(0, 1) = 1;
+  start(1, 0) = 1;
+  Matrix end = init_step(start);
+  check(end(0, 0), 1);
+}
+
+TEST(test_overpopulation) {
+  Matrix start = Matrix::zeros(10);
+  start(1, 1) = 1;
+  start(0, 1) = 1;
+  start(1, 0) = 1;
+  start(2, 1) = 1;
+  start(1, 2) = 1;
+  Matrix end = init_step(start);
+  check(end(1, 1), 0);
+}
+
+TEST(test_reproduction) {
+  Matrix start = Matrix::zeros(10);
+  start(0, 1) = 1;
+  start(1, 0) = 1;
+  start(2, 1) = 1;
+  Matrix end = init_step(start);
+  check(end(1, 1), 1);
+}
+
+int main() { return 0; }