added enumeration parameter benchmark

Author: Petr Sramek

benchmarks/PolylineAlgorithm.Benchmarks/PolylineEncoderBenchmark.cs

@@ -12,14 +12,31 @@ namespace PolylineAlgorithm.Benchmarks;
 
 [Orderer(SummaryOrderPolicy.Declared)]
 public class PolylineEncoderBenchmark {
-    public static IEnumerable<Coordinate> Coordinates { get; } = [new(60.81071, -121.40005), new(70.05664, -38.43130), new(37.52379, -84.83755), new(41.85003, 26.25620), new(68.04709, 110.63120), new(61.48922, 50.16245), new(-4.46018, -58.11880), new(-32.16061, -3.27505), new(-50.89185, -55.30630), new(-28.52070, 90.94370), new(35.26009, 93.75620), new(54.83622, 128.91245), new(1.16022, 37.50620), new(-44.26398, -131.24380), new(-33.34325, 154.22495), new(-59.65879, 90.94370), new(-62.38215, 0.94370), new(72.32117, 40.31870), new(64.66910, 2.34995), new(-61.04971, -84.83755), new(77.10238, -91.86880), new(-72.88859, -129.83755), new(-69.24987, -24.36880), new(77.41254, 119.06870), new(-70.69409, 83.91245), new(78.85650, 75.47495), new(26.83989, 140.16245), new(-24.75069, -108.74380), new(30.53968, -145.30630), new(79.12503, 145.78745), new(-34.51006, 133.13120), new(-73.29753, -60.93130), new(-74.08712, 23.44370), new(-76.57404, 100.78745), new(-76.57404, 100.78745), new(39.72082, 103.59995), new(70.99412, 148.59995), new(82.27591, 138.75620), new(78.29964, -3.27505), new(78.29964, -3.27505), new(-8.65039, 47.34995)];
+    private static readonly Random R = new();
+    public static List<Coordinate> GetList() {
+        return new List<Coordinate>(GetEnumeration());
+    }
+
+    public static IEnumerable<Coordinate> GetEnumeration() {
+        for (int i = 0; i < 1_000_000; i++) {
+            yield return new Coordinate(R.Next(-90, 90) + R.NextDouble(), R.Next(-180, 180) + R.NextDouble());
+        }
+    }
+
+    [Benchmark]
+    public Polyline PolylineEncoder_Encode_List() {
+        var encoder = new PolylineEncoder();
+
+        return encoder
+            .Encode(GetList());
+    }
 
-    [Benchmark(Baseline = true)]
-    public Polyline PolylineEncoder_Encode() {
+    [Benchmark]
+    public Polyline PolylineEncoder_Encode_Enumerator() {
         var encoder = new PolylineEncoder();
 
         return encoder
-            .Encode(Coordinates);
+            .Encode(GetEnumeration());
     }
 
 }