Example #1
0
func check(t *testing.T, m extendable, fieldA float64, ext *proto.ExtensionDesc) {
	if !proto.HasExtension(m, ext) {
		t.Fatalf("expected extension to be set")
	}
	fieldA2Interface, err := proto.GetExtension(m, ext)
	if err != nil {
		panic(err)
	}
	fieldA2 := fieldA2Interface.(*float64)
	if fieldA != *fieldA2 {
		t.Fatalf("Expected %f got %f", fieldA, *fieldA2)
	}
	fieldA3Interface, err := proto.GetUnsafeExtension(m, ext.Field)
	if err != nil {
		panic(err)
	}
	fieldA3 := fieldA3Interface.(*float64)
	if fieldA != *fieldA3 {
		t.Fatalf("Expected %f got %f", fieldA, *fieldA3)
	}
	proto.ClearExtension(m, ext)
	if proto.HasExtension(m, ext) {
		t.Fatalf("expected extension to be cleared")
	}
}
Example #2
0
func TestExtensionsRoundTrip(t *testing.T) {
	msg := &pb.MyMessage{}
	ext1 := &pb.Ext{
		Data: proto.String("hi"),
	}
	ext2 := &pb.Ext{
		Data: proto.String("there"),
	}
	exists := proto.HasExtension(msg, pb.E_Ext_More)
	if exists {
		t.Error("Extension More present unexpectedly")
	}
	if err := proto.SetExtension(msg, pb.E_Ext_More, ext1); err != nil {
		t.Error(err)
	}
	if err := proto.SetExtension(msg, pb.E_Ext_More, ext2); err != nil {
		t.Error(err)
	}
	e, err := proto.GetExtension(msg, pb.E_Ext_More)
	if err != nil {
		t.Error(err)
	}
	x, ok := e.(*pb.Ext)
	if !ok {
		t.Errorf("e has type %T, expected testdata.Ext", e)
	} else if *x.Data != "there" {
		t.Errorf("SetExtension failed to overwrite, got %+v, not 'there'", x)
	}
	proto.ClearExtension(msg, pb.E_Ext_More)
	if _, err = proto.GetExtension(msg, pb.E_Ext_More); err != proto.ErrMissingExtension {
		t.Errorf("got %v, expected ErrMissingExtension", e)
	}
	if _, err := proto.GetExtension(msg, pb.E_X215); err == nil {
		t.Error("expected bad extension error, got nil")
	}
	if err := proto.SetExtension(msg, pb.E_X215, 12); err == nil {
		t.Error("expected extension err")
	}
	if err := proto.SetExtension(msg, pb.E_Ext_More, 12); err == nil {
		t.Error("expected some sort of type mismatch error, got nil")
	}
}