From 5725761ba1115ca7b4739d4559be07b3fe2d94cf Mon Sep 17 00:00:00 2001
From: Pablo Escobar <mail@rvrs.in>
Date: Wed, 6 Apr 2022 19:15:05 +0200
Subject: [PATCH] MeshTools: add benchmark for boundingBoxAxisAligned()

---
 .../MeshTools/Test/BoundingVolumeTest.cpp     | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/src/Magnum/MeshTools/Test/BoundingVolumeTest.cpp b/src/Magnum/MeshTools/Test/BoundingVolumeTest.cpp
index 5c836cb19..a50824429 100644
--- a/src/Magnum/MeshTools/Test/BoundingVolumeTest.cpp
+++ b/src/Magnum/MeshTools/Test/BoundingVolumeTest.cpp
@@ -49,6 +49,7 @@ struct BoundingVolumeTest: TestSuite::Tester {
     void boxAxisAligned();
     void sphereBouncingBubble();
 
+    void benchmarkBoxAxisAligned();
     void benchmarkSphereBouncingBubble();
 };
 
@@ -56,7 +57,8 @@ BoundingVolumeTest::BoundingVolumeTest() {
     addTests({&BoundingVolumeTest::boxAxisAligned,
               &BoundingVolumeTest::sphereBouncingBubble});
 
-    addBenchmarks({&BoundingVolumeTest::benchmarkSphereBouncingBubble}, 150);
+    addBenchmarks({&BoundingVolumeTest::benchmarkBoxAxisAligned,
+                   &BoundingVolumeTest::benchmarkSphereBouncingBubble}, 150);
 }
 
 void BoundingVolumeTest::boxAxisAligned() {
@@ -195,6 +197,21 @@ void BoundingVolumeTest::sphereBouncingBubble() {
     }
 }
 
+void BoundingVolumeTest::benchmarkBoxAxisAligned() {
+    Containers::Array<Vector3> points{NoInit, 500};
+    for(size_t i = 0; i < points.size(); ++i) {
+        points[i] = Vector3{Float(i)*0.01f};
+    }
+
+    Float r = 0.0f;
+    CORRADE_BENCHMARK(50) {
+        const Range3D box = MeshTools::boundingBoxAxisAligned(points);
+        r += box.size().x();
+    }
+
+    CORRADE_COMPARE_AS(r, 1.0f, TestSuite::Compare::Greater);
+}
+
 void BoundingVolumeTest::benchmarkSphereBouncingBubble() {
     Containers::Array<Vector3> points{NoInit, 500};
     for(size_t i = 0; i < points.size(); ++i) {