types/dynamicpb: add NewEnumType
Add support for creating dynamic EnumTypes.
Change-Id: Ic9f5b73630734848b29cc436f6c179549a8ea74a
Reviewed-on: https://go-review.googlesource.com/c/protobuf/+/237219
Reviewed-by: Joe Tsai <thebrokentoaster@gmail.com>
Reviewed-by: Joe Tsai <joetsai@google.com>
diff --git a/testing/prototest/enum.go b/testing/prototest/enum.go
new file mode 100644
index 0000000..9ee422e
--- /dev/null
+++ b/testing/prototest/enum.go
@@ -0,0 +1,33 @@
+// Copyright 2020 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package prototest
+
+import (
+ "testing"
+
+ pref "google.golang.org/protobuf/reflect/protoreflect"
+)
+
+// Enum tests an EnumType implementation.
+type Enum struct{}
+
+func (test Enum) Test(t testing.TB, et pref.EnumType) {
+ ed := et.Descriptor()
+ values := ed.Values()
+ for i := 0; i < values.Len(); i++ {
+ evd := values.Get(i)
+ num := evd.Number()
+ e := et.New(num)
+ if e.Descriptor() != ed {
+ t.Errorf("enumType.New(%v).Descriptor() != enumType.Descriptor(), should match", num)
+ }
+ if e.Type() != et {
+ t.Errorf("enumType.New(%v).Type() != enumType, should match", num)
+ }
+ if got, want := e.Number(), num; got != want {
+ t.Errorf("enumType.New(%v).Number() = %v, want %v", num, got, want)
+ }
+ }
+}