From a7aa679494a28e6a9f527ee39ad073efcb118ccf Mon Sep 17 00:00:00 2001
From: Pascal Serrarens <pascal@passervr.com>
Date: Thu, 26 Dec 2024 10:03:47 +0100
Subject: [PATCH] Added a performance test

---
 test/Polar_test.cc | 57 +++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 56 insertions(+), 1 deletion(-)

diff --git a/test/Polar_test.cc b/test/Polar_test.cc
index a470593..0586108 100644
--- a/test/Polar_test.cc
+++ b/test/Polar_test.cc
@@ -1,7 +1,7 @@
 #if GTEST
 #include <gtest/gtest.h>
-#include <math.h>
 #include <limits>
+#include <math.h>
 
 #include "Polar.h"
 #include "Spherical.h"
@@ -173,4 +173,59 @@ TEST(Polar, Rotate) {
   EXPECT_FLOAT_EQ(r.angle.InDegrees(), 90.0f) << "Rotate(4 45, 45)";
 }
 
+// Performance Test
+TEST(PolarOfTest, PerformanceTest) {
+  const int numIterations = 1000000; // Number of instances to test
+  std::vector<PolarOf<float>> polarObjects;
+
+  // Measure time for creating a large number of PolarOf objects
+  auto start = std::chrono::high_resolution_clock::now();
+
+  for (int i = 0; i < numIterations; ++i) {
+    float distance =
+        static_cast<float>(rand() % 100); // Random distance from 0 to 100
+    AngleOf<float> angle = AngleOf<float>::Degrees(
+        static_cast<float>(rand() % 360)); // Random angle from 0 to 360 degrees
+    PolarOf<float> p = PolarOf<float>(distance, angle);
+    polarObjects.emplace_back(p); // Create and store the object
+  }
+
+  auto end = std::chrono::high_resolution_clock::now();
+  std::chrono::duration<double> duration = end - start;
+  std::cout << "Time to construct " << numIterations
+            << " PolarOf objects: " << duration.count() << " seconds."
+            << std::endl;
+
+  // Test completion with a message
+  ASSERT_GE(duration.count(), 0); // Ensure duration is non-negative
+
+  // Assert that the duration is less than or equal to 1 second
+  ASSERT_LE(duration.count(), 1.0)
+      << "Performance test failed: Construction took longer than 1 second.";
+}
+
+// Edge Case 1: Testing with distance = 0 and angle = 45
+TEST(PolarOfTest, TestDistanceZero) {
+  PolarOf<float> p1(0.0f, AngleOf<float>::Degrees(45.0f));
+  EXPECT_EQ(p1.distance, 0.0f);          // Ensure distance is 0
+  EXPECT_EQ(p1.angle.InDegrees(), 0.0f); // Ensure angle is 0 when distance is 0
+}
+
+// Edge Case 2: Testing with negative distance, angle should be adjusted
+// TEST(PolarOfTest, TestNegativeDistance) {
+//   PolarOf<float> p2(-10.0f, AngleOf<float>::Degrees(90.0f));
+//   EXPECT_EQ(p2.distance, 10.0f); // Ensure distance is positive
+//   EXPECT_NEAR(p2.angle.InDegrees(), 270.0f,
+//               0.0001f); // Ensure angle is normalized to 270 degrees (180 +
+//               90)
+// }
+
+// Edge Case 3: Testing with positive distance and angle = 180
+// TEST(PolarOfTest, TestPositiveDistance) {
+//   PolarOf<float> p3(100.0f, AngleOf<float>::Degrees(180.0f));
+//   EXPECT_EQ(p3.distance, 100.0f); // Ensure distance is correct
+//   EXPECT_NEAR(p3.angle.InDegrees(), 180.0f, 0.0001f); // Ensure angle is
+//   correct
+// }
+
 #endif
\ No newline at end of file