test: add benchmarks

Closes TNTP-3733

Author: elhimov

.github/workflows/testing.yaml

@@ -51,10 +51,18 @@ jobs:
         run: make coverage coveralls-deps coveralls
 
   run-benchmarks:
-    if: false
+    if: (github.event_name == 'push') ||
+        (github.event_name == 'pull_request' &&
+          github.event.pull_request.head.repo.full_name != github.repository) ||
+        (github.event_name == 'workflow_dispatch')
 
     runs-on: ubuntu-latest
 
+    strategy:
+      fail-fast: false
+      matrix:
+        golang: ['1.24', 'stable']
+
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v5

Makefile

@@ -17,6 +17,11 @@ testrace:
 	@echo "Running tests with race flag"
 	@go test ./... -count=100 -race
 
+.PHONY: bench
+bench:
+	@echo "Running benchmarks"
+	@go test ./... -count=1 -bench=. -benchmem
+
 .PHONY: coverage
 coverage:
 	@echo "Running tests with coveralls"

bench_generic_over_ptr_test.go

@@ -0,0 +1,60 @@
+package option_test
+
+import (
+	"github.com/vmihailenco/msgpack/v5"
+	"github.com/vmihailenco/msgpack/v5/msgpcode"
+)
+
+type GenericOverPtr[T any] struct {
+	val *T
+}
+
+func SomeOverPtr[T any](value T) GenericOverPtr[T] {
+	return GenericOverPtr[T]{val: &value}
+}
+
+func NoneOverPtr[T any]() GenericOverPtr[T] {
+	return GenericOverPtr[T]{val: nil}
+}
+
+func (o GenericOverPtr[T]) Get() (T, bool) {
+	if o.val == nil {
+		return zero[T](), false
+	}
+
+	return *o.val, true
+}
+
+func (o GenericOverPtr[T]) IsSome() bool {
+	return o.val != nil
+}
+
+func (o GenericOverPtr[T]) EncodeMsgpack(encoder *msgpack.Encoder) error {
+	if !o.IsSome() {
+		return encoder.EncodeNil()
+	}
+
+	return encoder.Encode(*o.val)
+}
+
+func (o *GenericOverPtr[T]) DecodeMsgpack(decoder *msgpack.Decoder) error {
+	code, err := decoder.PeekCode()
+	switch {
+	case err != nil:
+		return err
+	case code == msgpcode.Nil:
+		o.val = nil
+		return nil
+	}
+
+	var val T
+
+	err = decoder.Decode(&val)
+	if err != nil {
+		return err
+	}
+
+	o.val = &val
+
+	return nil
+}

bench_generic_over_slice_test.go

@@ -0,0 +1,57 @@
+package option_test
+
+import (
+	"github.com/vmihailenco/msgpack/v5"
+	"github.com/vmihailenco/msgpack/v5/msgpcode"
+)
+
+type GenericOverSlice[T any] []T
+
+func SomeOverSlice[T any](value T) GenericOverSlice[T] {
+	return []T{value}
+}
+
+func NoneOverSlice[T any]() GenericOverSlice[T] {
+	return []T{}
+}
+
+func (o GenericOverSlice[T]) Get() (T, bool) {
+	if len(o) == 0 {
+		return zero[T](), false
+	}
+
+	return o[0], true
+}
+
+func (o GenericOverSlice[T]) IsSome() bool {
+	return len(o) > 0
+}
+
+func (o GenericOverSlice[T]) EncodeMsgpack(encoder *msgpack.Encoder) error {
+	if !o.IsSome() {
+		return encoder.EncodeNil()
+	}
+	return encoder.Encode(o[0])
+}
+
+func (o *GenericOverSlice[T]) DecodeMsgpack(decoder *msgpack.Decoder) error {
+	code, err := decoder.PeekCode()
+	if err != nil {
+		return err
+	}
+
+	if code == msgpcode.Nil {
+		*o = nil
+		return nil
+	}
+
+	var val T
+
+	err = decoder.Decode(&val)
+	if err != nil {
+		return err
+	}
+	*o = []T{val}
+
+	return nil
+}