github.com/gogo/protobuf@v1.3.2/protoc-gen-gogo/descriptor/descriptor_test.go (about)

     1  package descriptor_test
     2  
     3  import (
     4  	"fmt"
     5  	"testing"
     6  
     7  	tpb "github.com/gogo/protobuf/proto/test_proto"
     8  	"github.com/gogo/protobuf/protoc-gen-gogo/descriptor"
     9  )
    10  
    11  func TestMessage(t *testing.T) {
    12  	var msg *descriptor.DescriptorProto
    13  	fd, md := descriptor.ForMessage(msg)
    14  	if pkg, want := fd.GetPackage(), "google.protobuf"; pkg != want {
    15  		t.Errorf("descriptor.ForMessage(%T).GetPackage() = %q; want %q", msg, pkg, want)
    16  	}
    17  	if name, want := md.GetName(), "DescriptorProto"; name != want {
    18  		t.Fatalf("descriptor.ForMessage(%T).GetName() = %q; want %q", msg, name, want)
    19  	}
    20  }
    21  
    22  func Example_options() {
    23  	var msg *tpb.MyMessageSet
    24  	_, md := descriptor.ForMessage(msg)
    25  	if md.GetOptions().GetMessageSetWireFormat() {
    26  		fmt.Printf("%v uses option message_set_wire_format.\n", md.GetName())
    27  	}
    28  
    29  	// Output:
    30  	// MyMessageSet uses option message_set_wire_format.
    31  }