diff --git a/tests/test_game.cpp b/tests/test_game.cpp
index e532da8..f34494c 100644
--- a/tests/test_game.cpp
+++ b/tests/test_game.cpp
@@ -23,4 +23,16 @@ TEST(GameTest, StrikeForFirstThrowInFrame) {
   for (int i = 0; i < 16; i++)
     game.roll(0);
   EXPECT_EQ(game.score(), 10 + 4 + 2 + 4 + 2);
+}
+
+TEST(GameTest, DoubleStrike) {
+  Game game;
+  game.roll(10);
+  game.roll(10);
+  game.roll(8);
+  game.roll(1);
+
+  for (int i = 0; i < 16; i++)
+    game.roll(0);
+  EXPECT_EQ(game.score(), 56);
 }
\ No newline at end of file