package descriptor_test
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import (
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"fmt"
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"testing"
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"github.com/golang/protobuf/descriptor"
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tpb "github.com/golang/protobuf/proto/test_proto"
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protobuf "github.com/golang/protobuf/protoc-gen-go/descriptor"
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)
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func TestMessage(t *testing.T) {
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var msg *protobuf.DescriptorProto
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fd, md := descriptor.ForMessage(msg)
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if pkg, want := fd.GetPackage(), "google.protobuf"; pkg != want {
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t.Errorf("descriptor.ForMessage(%T).GetPackage() = %q; want %q", msg, pkg, want)
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}
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if name, want := md.GetName(), "DescriptorProto"; name != want {
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t.Fatalf("descriptor.ForMessage(%T).GetName() = %q; want %q", msg, name, want)
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}
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}
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func Example_options() {
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var msg *tpb.MyMessageSet
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_, md := descriptor.ForMessage(msg)
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if md.GetOptions().GetMessageSetWireFormat() {
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fmt.Printf("%v uses option message_set_wire_format.\n", md.GetName())
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}
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// Output:
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// MyMessageSet uses option message_set_wire_format.
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}
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