if gotA != wantA || gotB != wantB {
		t.Errorf("function called with (%v, %v), want (%v, %v)", gotA, gotB, wantA, wantB)
	}
}

var tagGetTests = []struct {
	Tag   StructTag
	Key   string
	Value string
}{
	{`protobuf:"PB(1,2)"`, `protobuf`, `PB(1,2)`},
	{`protobuf:"PB(1,2)"`, `foo`, ``},
	{`protobuf:"PB(1,2)"`, `rotobuf`, ``},