Add benchmark for a single int value

Author: plokhotnyuk

benchmark/src/main/scala/com/github/plokhotnyuk/jsoniter_scala/macros/IntBenchmark.scala

@@ -0,0 +1,51 @@
+package com.github.plokhotnyuk.jsoniter_scala.macros
+
+import java.nio.charset.StandardCharsets._
+
+import com.github.plokhotnyuk.jsoniter_scala.core._
+import com.github.plokhotnyuk.jsoniter_scala.macros.CirceEncodersDecoders._
+import com.github.plokhotnyuk.jsoniter_scala.macros.JacksonSerDesers._
+import com.github.plokhotnyuk.jsoniter_scala.macros.JsoniterCodecs._
+import io.circe.parser._
+import io.circe.syntax._
+import org.openjdk.jmh.annotations.Benchmark
+import play.api.libs.json.Json
+
+class IntBenchmark extends CommonParams {
+  val obj: Int = 1234567890
+  val jsonString: String = obj.toString
+  val jsonBytes: Array[Byte] = jsonString.getBytes
+
+  @Benchmark
+  def readNaiveScala(): Int = new String(jsonBytes, UTF_8).toInt
+
+  @Benchmark
+  def readCirce(): Int = decode[Int](new String(jsonBytes, UTF_8)).fold(throw _, x => x)
+
+  @Benchmark
+  def readJacksonScala(): Int = jacksonMapper.readValue[Int](jsonBytes)
+
+  @Benchmark
+  def readJsoniterScala(): Int = read[Int](jsonBytes)
+
+  @Benchmark
+  def readPlayJson(): Int = Json.parse(jsonBytes).as[Int]
+
+  @Benchmark
+  def writeNaiveScala(): Array[Byte] = obj.toString.getBytes(UTF_8)
+
+  @Benchmark
+  def writeCirce(): Array[Byte] = printer.pretty(obj.asJson).getBytes(UTF_8)
+
+  @Benchmark
+  def writeJacksonScala(): Array[Byte] = jacksonMapper.writeValueAsBytes(obj)
+
+  @Benchmark
+  def writeJsoniterScala(): Array[Byte] = write(obj)
+
+  @Benchmark
+  def writeJsoniterScalaPrealloc(): Int = write(obj, preallocatedBuf, 0)
+
+  @Benchmark
+  def writePlayJson(): Array[Byte] = Json.toBytes(Json.toJson(obj))
+}

benchmark/src/main/scala/com/github/plokhotnyuk/jsoniter_scala/macros/JsoniterCodecs.scala

@@ -43,6 +43,7 @@ object JsoniterCodecs {
   implicit val mutableIterablesCodec: JsonValueCodec[MutableIterables] = make[MutableIterables](CodecMakerConfig())
   implicit val mutableMapsCodec: JsonValueCodec[MutableMaps] = make[MutableMaps](CodecMakerConfig())
   implicit val intAndLongMapsCodec: JsonValueCodec[IntAndLongMaps] = make[IntAndLongMaps](CodecMakerConfig())
+  implicit val intCodec: JsonValueCodec[Int] = make[Int](CodecMakerConfig())
   implicit val primitivesCodec: JsonValueCodec[Primitives] = make[Primitives](CodecMakerConfig())
   implicit val extractFieldsCodec: JsonValueCodec[ExtractFields] = make[ExtractFields](CodecMakerConfig())
   implicit val adtCodec: JsonValueCodec[AdtBase] = make[AdtBase](CodecMakerConfig())

benchmark/src/test/scala/com/github/plokhotnyuk/jsoniter_scala/macros/IntBenchmarkSpec.scala

@@ -0,0 +1,23 @@
+package com.github.plokhotnyuk.jsoniter_scala.macros
+
+class IntBenchmarkSpec extends BenchmarkSpecBase {
+  val benchmark = new IntBenchmark
+  
+  "IntBenchmark" should {
+    "deserialize properly" in {
+      benchmark.readNaiveScala() shouldBe benchmark.obj
+      benchmark.readCirce() shouldBe benchmark.obj
+      benchmark.readJacksonScala() shouldBe benchmark.obj
+      benchmark.readJsoniterScala() shouldBe benchmark.obj
+      benchmark.readPlayJson() shouldBe benchmark.obj
+    }
+    "serialize properly" in {
+      toString(benchmark.writeNaiveScala()) shouldBe benchmark.jsonString
+      toString(benchmark.writeCirce()) shouldBe benchmark.jsonString
+      toString(benchmark.writeJacksonScala()) shouldBe benchmark.jsonString
+      toString(benchmark.writeJsoniterScala()) shouldBe benchmark.jsonString
+      toString(benchmark.preallocatedBuf, benchmark.writeJsoniterScalaPrealloc()) shouldBe benchmark.jsonString
+      toString(benchmark.writePlayJson()) shouldBe benchmark.jsonString
+    }
+  }
+}