1 files changed, 31 insertions, 5 deletions

diff --git a/src/test/loopTimerTest.cpp b/src/test/loopTimerTest.cpp
index d2f7d9b..9bbbff3 100644
--- a/src/test/loopTimerTest.cpp
+++ b/src/test/loopTimerTest.cpp
@@ -1,6 +1,8 @@
 #include <gtest/gtest.h>
 #include <chrono>
 #include <thread>
+#define private public
+#define protected public
 #include "api/LoopTimer.h"
 
 using namespace std::chrono;
@@ -11,23 +13,47 @@ protected:
     LoopTimer loop_timer;
 
     void SetUp() override {
-        loop_timer.start(); // Reset loop timer before each test.
+        loop_timer.start(); 
     }
 };
 TEST_F(LoopTimerTest, EnforcesTargetFrameRate) {
     // Set the target FPS to 60 (which gives a target time per frame of ~16.67 ms)
     loop_timer.set_target_fps(60);
 
-    // Simulate a short update (frame duration less than the target frame time)
     auto start_time = steady_clock::now();
-    loop_timer.enforce_frame_rate(); // Enforce the frame rate
+    loop_timer.enforce_frame_rate();
 
-    // Check that the loop timer's current time is greater than or equal to the target frame time
     auto elapsed_time = steady_clock::now() - start_time;
     auto elapsed_ms = duration_cast<milliseconds>(elapsed_time).count();
 
-    // Assert that the elapsed time is close to the target frame time
     // For 60 FPS, the target frame time is around 16.67ms
     ASSERT_GE(elapsed_ms, 16);  // Make sure it's at least 16 ms (could be slightly more)
     ASSERT_LE(elapsed_ms, 18);  // Ensure it's not too much longer
 }
+TEST_F(LoopTimerTest, SetTargetFps) {
+    // Set the target FPS to 120
+    loop_timer.set_target_fps(120);
+    
+    // Calculate the expected frame time (~8.33ms per frame)
+    auto expected_frame_time = std::chrono::duration<double>(1.0 / 120.0);
+
+    ASSERT_NEAR(loop_timer.frame_target_time.count(), expected_frame_time.count(), 0.001);
+}
+TEST_F(LoopTimerTest, DeltaTimeCalculation) {
+    // Set the target FPS to 60 (16.67 ms per frame)
+    loop_timer.set_target_fps(60);
+
+    auto start_time = steady_clock::now();
+    loop_timer.update();
+    auto end_time = steady_clock::now();
+
+    // Check the delta time
+    double delta_time = loop_timer.get_delta_time();
+
+    auto elapsed_time = duration_cast<milliseconds>(end_time - start_time).count();
+    
+    // Assert that delta_time is close to the elapsed time
+    ASSERT_GE(delta_time, elapsed_time / 1000.0);
+    ASSERT_LE(delta_time, (elapsed_time + 2) / 1000.0);
+}
+