diff --git a/y2019/joystick_angle_test.cc b/y2019/joystick_angle_test.cc
new file mode 100644
index 0000000..c352359
--- /dev/null
+++ b/y2019/joystick_angle_test.cc
@@ -0,0 +1,18 @@
+#include "y2019/joystick_angle.h"
+#include <iostream>
+#include "aos/input/driver_station_data.h"
+#include "gtest/gtest.h"
+
+using y2019::input::joysticks::JoystickAngle;
+using y2019::input::joysticks::GetJoystickPosition;
+
+TEST(JoystickAngleTest, JoystickAngleTest) {
+  EXPECT_EQ(JoystickAngle::kUpperRight, GetJoystickPosition(0.75, -0.75));
+  EXPECT_EQ(JoystickAngle::kMiddleRight, GetJoystickPosition(0.75, 0));
+  EXPECT_EQ(JoystickAngle::kLowerRight, GetJoystickPosition(0.75, 0.75));
+  EXPECT_EQ(JoystickAngle::kUpperLeft, GetJoystickPosition(-0.75, -0.75));
+  EXPECT_EQ(JoystickAngle::kMiddleLeft, GetJoystickPosition(-0.75, 0));
+  EXPECT_EQ(JoystickAngle::kLowerLeft, GetJoystickPosition(-0.75, 0.75));
+
+  EXPECT_EQ(JoystickAngle::kDefault, GetJoystickPosition(0, 0));
+}