--- /dev/null
+// Go support for Protocol Buffers - Google's data interchange format
+//
+// Copyright 2016 The Go Authors. All rights reserved.
+// https://github.com/golang/protobuf
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+package ptypes
+
+import (
+ "testing"
+
+ "github.com/golang/protobuf/proto"
+ pb "github.com/golang/protobuf/protoc-gen-go/descriptor"
+ "github.com/golang/protobuf/ptypes/any"
+)
+
+func TestMarshalUnmarshal(t *testing.T) {
+ orig := &any.Any{Value: []byte("test")}
+
+ packed, err := MarshalAny(orig)
+ if err != nil {
+ t.Errorf("MarshalAny(%+v): got: _, %v exp: _, nil", orig, err)
+ }
+
+ unpacked := &any.Any{}
+ err = UnmarshalAny(packed, unpacked)
+ if err != nil || !proto.Equal(unpacked, orig) {
+ t.Errorf("got: %v, %+v; want nil, %+v", err, unpacked, orig)
+ }
+}
+
+func TestIs(t *testing.T) {
+ a, err := MarshalAny(&pb.FileDescriptorProto{})
+ if err != nil {
+ t.Fatal(err)
+ }
+ if Is(a, &pb.DescriptorProto{}) {
+ t.Error("FileDescriptorProto is not a DescriptorProto, but Is says it is")
+ }
+ if !Is(a, &pb.FileDescriptorProto{}) {
+ t.Error("FileDescriptorProto is indeed a FileDescriptorProto, but Is says it is not")
+ }
+}
+
+func TestIsDifferentUrlPrefixes(t *testing.T) {
+ m := &pb.FileDescriptorProto{}
+ a := &any.Any{TypeUrl: "foo/bar/" + proto.MessageName(m)}
+ if !Is(a, m) {
+ t.Errorf("message with type url %q didn't satisfy Is for type %q", a.TypeUrl, proto.MessageName(m))
+ }
+}
+
+func TestUnmarshalDynamic(t *testing.T) {
+ want := &pb.FileDescriptorProto{Name: proto.String("foo")}
+ a, err := MarshalAny(want)
+ if err != nil {
+ t.Fatal(err)
+ }
+ var got DynamicAny
+ if err := UnmarshalAny(a, &got); err != nil {
+ t.Fatal(err)
+ }
+ if !proto.Equal(got.Message, want) {
+ t.Errorf("invalid result from UnmarshalAny, got %q want %q", got.Message, want)
+ }
+}
+
+func TestEmpty(t *testing.T) {
+ want := &pb.FileDescriptorProto{}
+ a, err := MarshalAny(want)
+ if err != nil {
+ t.Fatal(err)
+ }
+ got, err := Empty(a)
+ if err != nil {
+ t.Fatal(err)
+ }
+ if !proto.Equal(got, want) {
+ t.Errorf("unequal empty message, got %q, want %q", got, want)
+ }
+
+ // that's a valid type_url for a message which shouldn't be linked into this
+ // test binary. We want an error.
+ a.TypeUrl = "type.googleapis.com/google.protobuf.FieldMask"
+ if _, err := Empty(a); err == nil {
+ t.Errorf("got no error for an attempt to create a message of type %q, which shouldn't be linked in", a.TypeUrl)
+ }
+}
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