Test generating structs containing generics

examples/deepcopy-gen/output_tests/generics/doc.go

@@ -0,0 +1,34 @@
+/*
+Copyright 2016 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// +k8s:deepcopy-gen=package
+
+// This is a test package.
+package generics
+
+import (
+	"k8s.io/gengo/examples/deepcopy-gen/output_tests/structs"
+)
+
+type TunusedGeneric[T any] struct {
+	Inner1 structs.Inner
+	Inner2 structs.Inner
+}
+
+type TunusedGenericMulti[T any, U any, V any] struct {
+	Inner1 structs.Inner
+	Inner2 structs.Inner
+}

examples/deepcopy-gen/output_tests/output_test.go

@@ -6,10 +6,11 @@ import (
 	"testing"
 
 	"github.com/davecgh/go-spew/spew"
-	"github.com/google/gofuzz"
+	fuzz "github.com/google/gofuzz"
 
 	"k8s.io/gengo/examples/deepcopy-gen/output_tests/aliases"
 	"k8s.io/gengo/examples/deepcopy-gen/output_tests/builtins"
+	"k8s.io/gengo/examples/deepcopy-gen/output_tests/generics"
 	"k8s.io/gengo/examples/deepcopy-gen/output_tests/interfaces"
 	"k8s.io/gengo/examples/deepcopy-gen/output_tests/maps"
 	"k8s.io/gengo/examples/deepcopy-gen/output_tests/pointer"
@@ -26,6 +27,9 @@ func TestWithValueFuzzer(t *testing.T) {
 		pointer.Ttest{},
 		slices.Ttest{},
 		structs.Ttest{},
+
+		generics.TunusedGeneric[int]{},
+		generics.TunusedGenericMulti[int, bool, byte]{},
 	}
 
 	fuzzer := fuzz.New()

go.mod

@@ -1,19 +1,25 @@
 module k8s.io/gengo
 
-go 1.13
+go 1.18
 
 require (
 	github.com/davecgh/go-spew v1.1.1
 	github.com/google/go-cmp v0.4.0
 	github.com/google/gofuzz v1.1.0
-	github.com/kr/pretty v0.2.0 // indirect
 	github.com/spf13/pflag v1.0.5
 	golang.org/x/tools v0.0.0-20200505023115-26f46d2f7ef8
-	gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 // indirect
 	k8s.io/klog/v2 v2.2.0
 	sigs.k8s.io/yaml v1.2.0
 )
 
+require (
+	github.com/go-logr/logr v0.2.0 // indirect
+	github.com/kr/pretty v0.2.0 // indirect
+	golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 // indirect
+	gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 // indirect
+	gopkg.in/yaml.v2 v2.2.8 // indirect
+)
+
 replace (
 	golang.org/x/sys => golang.org/x/sys v0.0.0-20190813064441-fde4db37ae7a // pinned to release-branch.go1.13
 	golang.org/x/tools => golang.org/x/tools v0.0.0-20190821162956-65e3620a7ae7 // pinned to release-branch.go1.13