Function TestExtensionDescsWithUnregisteredExtensions

proto/extensions_test.go:168–208

(t *testing.T)

}

func TestExtensionDescsWithUnregisteredExtensions(t *testing.T) {
	msg := &pb.MyMessage{Count: proto.Int32(0)}
	extdesc1 := pb.E_Ext_More
	if descs, err := proto.ExtensionDescs(msg); len(descs) != 0 || err != nil {
		t.Errorf("proto.ExtensionDescs: got %d descs, error %v; want 0, nil", len(descs), err)
	}

	ext1 := &pb.Ext{}
	if err := proto.SetExtension(msg, extdesc1, ext1); err != nil {
		t.Fatalf("Could not set ext1: %s", err)
	}
	extdesc2 := &proto.ExtensionDesc{
		ExtendedType:  (*pb.MyMessage)(nil),
		ExtensionType: (*bool)(nil),
		Field:         123456789,
		Name:          "a.b",
		Tag:           "varint,123456789,opt",
	}
	ext2 := proto.Bool(false)
	if err := proto.SetExtension(msg, extdesc2, ext2); err != nil {
		t.Fatalf("Could not set ext2: %s", err)
	}

	b, err := proto.Marshal(msg)
	if err != nil {
		t.Fatalf("Could not marshal msg: %v", err)
	}
	if err = proto.Unmarshal(b, msg); err != nil {
		t.Fatalf("Could not unmarshal into msg: %v", err)
	}

	descs, err := proto.ExtensionDescs(msg)
	if err != nil {
		t.Fatalf("proto.ExtensionDescs: got error %v", err)
	}
	sortExtDescs(descs)
	wantDescs := []*proto.ExtensionDesc{extdesc1, {Field: extdesc2.Field}}
	if !reflect.DeepEqual(descs, wantDescs) {
		t.Errorf("proto.ExtensionDescs(msg) sorted extension ids: got %+v, want %+v", descs, wantDescs)
	}
}

type ExtensionDescSlice []*proto.ExtensionDesc