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392 lines
12 KiB
392 lines
12 KiB
// Go support for Protocol Buffers - Google's data interchange format
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//
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// Copyright 2015 The Go Authors. All rights reserved.
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// https://github.com/golang/protobuf
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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package jsonpb
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import (
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"reflect"
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"testing"
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pb "github.com/golang/protobuf/jsonpb/jsonpb_test_proto"
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"github.com/golang/protobuf/proto"
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proto3pb "github.com/golang/protobuf/proto/proto3_proto"
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)
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var (
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marshaler = Marshaler{}
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marshalerAllOptions = Marshaler{
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Indent: " ",
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}
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simpleObject = &pb.Simple{
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OInt32: proto.Int32(-32),
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OInt64: proto.Int64(-6400000000),
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OUint32: proto.Uint32(32),
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OUint64: proto.Uint64(6400000000),
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OSint32: proto.Int32(-13),
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OSint64: proto.Int64(-2600000000),
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OFloat: proto.Float32(3.14),
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ODouble: proto.Float64(6.02214179e23),
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OBool: proto.Bool(true),
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OString: proto.String("hello \"there\""),
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OBytes: []byte("beep boop"),
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}
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simpleObjectJSON = `{` +
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`"o_bool":true,` +
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`"o_int32":-32,` +
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`"o_int64":"-6400000000",` +
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`"o_uint32":32,` +
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`"o_uint64":"6400000000",` +
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`"o_sint32":-13,` +
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`"o_sint64":"-2600000000",` +
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`"o_float":3.14,` +
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`"o_double":6.02214179e+23,` +
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`"o_string":"hello \"there\"",` +
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`"o_bytes":"YmVlcCBib29w"` +
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`}`
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simpleObjectPrettyJSON = `{
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"o_bool": true,
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"o_int32": -32,
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"o_int64": "-6400000000",
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"o_uint32": 32,
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"o_uint64": "6400000000",
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"o_sint32": -13,
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"o_sint64": "-2600000000",
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"o_float": 3.14,
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"o_double": 6.02214179e+23,
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"o_string": "hello \"there\"",
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"o_bytes": "YmVlcCBib29w"
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}`
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repeatsObject = &pb.Repeats{
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RBool: []bool{true, false, true},
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RInt32: []int32{-3, -4, -5},
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RInt64: []int64{-123456789, -987654321},
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RUint32: []uint32{1, 2, 3},
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RUint64: []uint64{6789012345, 3456789012},
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RSint32: []int32{-1, -2, -3},
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RSint64: []int64{-6789012345, -3456789012},
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RFloat: []float32{3.14, 6.28},
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RDouble: []float64{299792458, 6.62606957e-34},
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RString: []string{"happy", "days"},
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RBytes: [][]byte{[]byte("skittles"), []byte("m&m's")},
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}
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repeatsObjectJSON = `{` +
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`"r_bool":[true,false,true],` +
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`"r_int32":[-3,-4,-5],` +
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`"r_int64":["-123456789","-987654321"],` +
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`"r_uint32":[1,2,3],` +
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`"r_uint64":["6789012345","3456789012"],` +
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`"r_sint32":[-1,-2,-3],` +
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`"r_sint64":["-6789012345","-3456789012"],` +
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`"r_float":[3.14,6.28],` +
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`"r_double":[2.99792458e+08,6.62606957e-34],` +
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`"r_string":["happy","days"],` +
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`"r_bytes":["c2tpdHRsZXM=","bSZtJ3M="]` +
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`}`
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repeatsObjectPrettyJSON = `{
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"r_bool": [
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true,
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false,
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true
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],
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"r_int32": [
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-3,
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-4,
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-5
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],
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"r_int64": [
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"-123456789",
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"-987654321"
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],
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"r_uint32": [
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1,
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2,
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3
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],
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"r_uint64": [
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"6789012345",
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"3456789012"
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],
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"r_sint32": [
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-1,
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-2,
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-3
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],
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"r_sint64": [
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"-6789012345",
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"-3456789012"
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],
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"r_float": [
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3.14,
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6.28
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],
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"r_double": [
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2.99792458e+08,
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6.62606957e-34
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],
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"r_string": [
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"happy",
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"days"
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],
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"r_bytes": [
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"c2tpdHRsZXM=",
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"bSZtJ3M="
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]
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}`
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innerSimple = &pb.Simple{OInt32: proto.Int32(-32)}
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innerSimple2 = &pb.Simple{OInt64: proto.Int64(25)}
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innerRepeats = &pb.Repeats{RString: []string{"roses", "red"}}
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innerRepeats2 = &pb.Repeats{RString: []string{"violets", "blue"}}
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complexObject = &pb.Widget{
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Color: pb.Widget_GREEN.Enum(),
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RColor: []pb.Widget_Color{pb.Widget_RED, pb.Widget_GREEN, pb.Widget_BLUE},
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Simple: innerSimple,
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RSimple: []*pb.Simple{innerSimple, innerSimple2},
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Repeats: innerRepeats,
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RRepeats: []*pb.Repeats{innerRepeats, innerRepeats2},
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}
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complexObjectJSON = `{"color":"GREEN",` +
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`"r_color":["RED","GREEN","BLUE"],` +
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`"simple":{"o_int32":-32},` +
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`"r_simple":[{"o_int32":-32},{"o_int64":"25"}],` +
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`"repeats":{"r_string":["roses","red"]},` +
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`"r_repeats":[{"r_string":["roses","red"]},{"r_string":["violets","blue"]}]` +
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`}`
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complexObjectPrettyJSON = `{
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"color": "GREEN",
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"r_color": [
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"RED",
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"GREEN",
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"BLUE"
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],
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"simple": {
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"o_int32": -32
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},
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"r_simple": [
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{
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"o_int32": -32
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},
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{
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"o_int64": "25"
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}
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],
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"repeats": {
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"r_string": [
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"roses",
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"red"
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]
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},
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"r_repeats": [
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{
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"r_string": [
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"roses",
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"red"
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]
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},
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{
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"r_string": [
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"violets",
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"blue"
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]
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}
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]
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}`
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colorPrettyJSON = `{
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"color": 2
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}`
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colorListPrettyJSON = `{
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"color": 1000,
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"r_color": [
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"RED"
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]
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}`
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nummyPrettyJSON = `{
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"nummy": {
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"1": 2,
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"3": 4
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}
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}`
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objjyPrettyJSON = `{
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"objjy": {
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"1": {
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"dub": 1
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}
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}
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}`
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realNumber = &pb.Real{Value: proto.Float64(3.14159265359)}
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realNumberName = "Pi"
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complexNumber = &pb.Complex{Imaginary: proto.Float64(0.5772156649)}
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realNumberJSON = `{` +
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`"value":3.14159265359,` +
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`"[jsonpb.Complex.real_extension]":{"imaginary":0.5772156649},` +
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`"[jsonpb.name]":"Pi"` +
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`}`
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)
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func init() {
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if err := proto.SetExtension(realNumber, pb.E_Name, &realNumberName); err != nil {
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panic(err)
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}
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if err := proto.SetExtension(realNumber, pb.E_Complex_RealExtension, complexNumber); err != nil {
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panic(err)
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}
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}
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var marshalingTests = []struct {
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desc string
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marshaler Marshaler
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pb proto.Message
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json string
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}{
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{"simple flat object", marshaler, simpleObject, simpleObjectJSON},
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{"simple pretty object", marshalerAllOptions, simpleObject, simpleObjectPrettyJSON},
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{"repeated fields flat object", marshaler, repeatsObject, repeatsObjectJSON},
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{"repeated fields pretty object", marshalerAllOptions, repeatsObject, repeatsObjectPrettyJSON},
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{"nested message/enum flat object", marshaler, complexObject, complexObjectJSON},
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{"nested message/enum pretty object", marshalerAllOptions, complexObject, complexObjectPrettyJSON},
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{"enum-string flat object", Marshaler{},
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&pb.Widget{Color: pb.Widget_BLUE.Enum()}, `{"color":"BLUE"}`},
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{"enum-value pretty object", Marshaler{EnumsAsInts: true, Indent: " "},
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&pb.Widget{Color: pb.Widget_BLUE.Enum()}, colorPrettyJSON},
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{"unknown enum value object", marshalerAllOptions,
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&pb.Widget{Color: pb.Widget_Color(1000).Enum(), RColor: []pb.Widget_Color{pb.Widget_RED}}, colorListPrettyJSON},
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{"proto3 object with empty value", marshaler, &pb.Simple3{}, `{"dub":0}`},
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{"map<int64, int32>", marshaler, &pb.Mappy{Nummy: map[int64]int32{1: 2, 3: 4}}, `{"nummy":{"1":2,"3":4}}`},
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{"map<int64, int32>", marshalerAllOptions, &pb.Mappy{Nummy: map[int64]int32{1: 2, 3: 4}}, nummyPrettyJSON},
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{"map<string, string>", marshaler,
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&pb.Mappy{Strry: map[string]string{`"one"`: "two", "three": "four"}},
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`{"strry":{"\"one\"":"two","three":"four"}}`},
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{"map<int32, Object>", marshaler,
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&pb.Mappy{Objjy: map[int32]*pb.Simple3{1: &pb.Simple3{Dub: 1}}}, `{"objjy":{"1":{"dub":1}}}`},
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{"map<int32, Object>", marshalerAllOptions,
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&pb.Mappy{Objjy: map[int32]*pb.Simple3{1: &pb.Simple3{Dub: 1}}}, objjyPrettyJSON},
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{"map<int64, string>", marshaler, &pb.Mappy{Buggy: map[int64]string{1234: "yup"}},
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`{"buggy":{"1234":"yup"}}`},
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{"map<bool, bool>", marshaler, &pb.Mappy{Booly: map[bool]bool{false: true}}, `{"booly":{"false":true}}`},
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{"proto2 map<int64, string>", marshaler, &pb.Maps{MInt64Str: map[int64]string{213: "cat"}},
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`{"m_int64_str":{"213":"cat"}}`},
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{"proto2 map<bool, Object>", marshaler,
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&pb.Maps{MBoolSimple: map[bool]*pb.Simple{true: &pb.Simple{OInt32: proto.Int32(1)}}},
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`{"m_bool_simple":{"true":{"o_int32":1}}}`},
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{"oneof, not set", marshaler, &pb.MsgWithOneof{}, `{}`},
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{"oneof, set", marshaler, &pb.MsgWithOneof{Union: &pb.MsgWithOneof_Title{"Grand Poobah"}}, `{"title":"Grand Poobah"}`},
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{"proto2 extension", marshaler, realNumber, realNumberJSON},
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}
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func TestMarshaling(t *testing.T) {
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for _, tt := range marshalingTests {
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json, err := tt.marshaler.MarshalToString(tt.pb)
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if err != nil {
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t.Errorf("%s: marshaling error: %v", tt.desc, err)
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} else if tt.json != json {
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t.Errorf("%s: got [%v] want [%v]", tt.desc, json, tt.json)
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}
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}
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}
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var unmarshalingTests = []struct {
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desc string
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json string
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pb proto.Message
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}{
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{"simple flat object", simpleObjectJSON, simpleObject},
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{"simple pretty object", simpleObjectPrettyJSON, simpleObject},
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{"repeated fields flat object", repeatsObjectJSON, repeatsObject},
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{"repeated fields pretty object", repeatsObjectPrettyJSON, repeatsObject},
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{"nested message/enum flat object", complexObjectJSON, complexObject},
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{"nested message/enum pretty object", complexObjectPrettyJSON, complexObject},
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{"enum-string object", `{"color":"BLUE"}`, &pb.Widget{Color: pb.Widget_BLUE.Enum()}},
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{"enum-value object", "{\n \"color\": 2\n}", &pb.Widget{Color: pb.Widget_BLUE.Enum()}},
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{"proto3 enum string", `{"hilarity":"PUNS"}`, &proto3pb.Message{Hilarity: proto3pb.Message_PUNS}},
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{"proto3 enum value", `{"hilarity":1}`, &proto3pb.Message{Hilarity: proto3pb.Message_PUNS}},
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{"unknown enum value object",
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"{\n \"color\": 1000,\n \"r_color\": [\n \"RED\"\n ]\n}",
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&pb.Widget{Color: pb.Widget_Color(1000).Enum(), RColor: []pb.Widget_Color{pb.Widget_RED}}},
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{"unquoted int64 object", `{"o_int64":-314}`, &pb.Simple{OInt64: proto.Int64(-314)}},
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{"unquoted uint64 object", `{"o_uint64":123}`, &pb.Simple{OUint64: proto.Uint64(123)}},
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{"map<int64, int32>", `{"nummy":{"1":2,"3":4}}`, &pb.Mappy{Nummy: map[int64]int32{1: 2, 3: 4}}},
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{"map<string, string>", `{"strry":{"\"one\"":"two","three":"four"}}`, &pb.Mappy{Strry: map[string]string{`"one"`: "two", "three": "four"}}},
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{"map<int32, Object>", `{"objjy":{"1":{"dub":1}}}`, &pb.Mappy{Objjy: map[int32]*pb.Simple3{1: &pb.Simple3{Dub: 1}}}},
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{"oneof", `{"salary":31000}`, &pb.MsgWithOneof{Union: &pb.MsgWithOneof_Salary{31000}}},
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}
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func TestUnmarshaling(t *testing.T) {
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for _, tt := range unmarshalingTests {
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// Make a new instance of the type of our expected object.
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p := reflect.New(reflect.TypeOf(tt.pb).Elem()).Interface().(proto.Message)
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err := UnmarshalString(tt.json, p)
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if err != nil {
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t.Error(err)
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continue
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}
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// For easier diffs, compare text strings of the protos.
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exp := proto.MarshalTextString(tt.pb)
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act := proto.MarshalTextString(p)
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if string(exp) != string(act) {
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t.Errorf("%s: got [%s] want [%s]", tt.desc, act, exp)
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}
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}
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}
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var unmarshalingShouldError = []struct {
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desc string
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in string
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pb proto.Message
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}{
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{"a value", "666", new(pb.Simple)},
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{"gibberish", "{adskja123;l23=-=", new(pb.Simple)},
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{"unknown enum name", `{"hilarity":"DAVE"}`, new(proto3pb.Message)},
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}
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func TestUnmarshalingBadInput(t *testing.T) {
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for _, tt := range unmarshalingShouldError {
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err := UnmarshalString(tt.in, tt.pb)
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if err == nil {
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t.Errorf("an error was expected when parsing %q instead of an object", tt.desc)
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}
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}
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}
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