Bulk move from k8s.io/kubectl

vendor/github.com/modern-go/reflect2/tests/struct_test.go

@@ -0,0 +1,64 @@
+package tests
+
+import (
+	"testing"
+	"github.com/modern-go/reflect2"
+	"github.com/modern-go/test"
+
+	"unsafe"
+	"github.com/modern-go/test/must"
+	"context"
+)
+
+func Test_struct(t *testing.T) {
+	type TestObject struct {
+		Field1 int
+		Field2 int
+	}
+	var pInt = func(val int) *int {
+		return &val
+	}
+	t.Run("New", testOp(func(api reflect2.API) interface{} {
+		valType := api.TypeOf(TestObject{})
+		obj := valType.New()
+		obj.(*TestObject).Field1 = 20
+		obj.(*TestObject).Field2 = 100
+		return obj
+	}))
+	t.Run("PackEFace", test.Case(func(ctx context.Context) {
+		valType := reflect2.TypeOf(TestObject{})
+		ptr := valType.UnsafeNew()
+		must.Equal(&TestObject{}, valType.PackEFace(ptr))
+	}))
+	t.Run("Indirect", test.Case(func(ctx context.Context) {
+		valType := reflect2.TypeOf(TestObject{})
+		must.Equal(TestObject{}, valType.Indirect(&TestObject{}))
+	}))
+	t.Run("SetIndex", testOp(func(api reflect2.API) interface{} {
+		valType := api.TypeOf(TestObject{}).(reflect2.StructType)
+		field1 := valType.FieldByName("Field1")
+		obj := TestObject{}
+		field1.Set(&obj, pInt(100))
+		return obj
+	}))
+	t.Run("UnsafeSetIndex", test.Case(func(ctx context.Context) {
+		valType := reflect2.TypeOf(TestObject{}).(reflect2.StructType)
+		field1 := valType.FieldByName("Field1")
+		obj := TestObject{}
+		field1.UnsafeSet(unsafe.Pointer(&obj), reflect2.PtrOf(100))
+		must.Equal(100, obj.Field1)
+	}))
+	t.Run("GetIndex", testOp(func(api reflect2.API) interface{} {
+		obj := TestObject{Field1: 100}
+		valType := api.TypeOf(obj).(reflect2.StructType)
+		field1 := valType.FieldByName("Field1")
+		return field1.Get(&obj)
+	}))
+	t.Run("UnsafeGetIndex", test.Case(func(ctx context.Context) {
+		obj := TestObject{Field1: 100}
+		valType := reflect2.TypeOf(obj).(reflect2.StructType)
+		field1 := valType.FieldByName("Field1")
+		value := field1.UnsafeGet(unsafe.Pointer(&obj))
+		must.Equal(100, *(*int)(value))
+	}))
+}