xref: /aosp_15_r20/external/protobuf/csharp/src/Google.Protobuf.Test/JsonParserTest.cs (revision 1b3f573f81763fcece89efc2b6a5209149e44ab8)
1 #region Copyright notice and license
2 // Protocol Buffers - Google's data interchange format
3 // Copyright 2008 Google Inc.  All rights reserved.
4 // https://developers.google.com/protocol-buffers/
5 //
6 // Redistribution and use in source and binary forms, with or without
7 // modification, are permitted provided that the following conditions are
8 // met:
9 //
10 //     * Redistributions of source code must retain the above copyright
11 // notice, this list of conditions and the following disclaimer.
12 //     * Redistributions in binary form must reproduce the above
13 // copyright notice, this list of conditions and the following disclaimer
14 // in the documentation and/or other materials provided with the
15 // distribution.
16 //     * Neither the name of Google Inc. nor the names of its
17 // contributors may be used to endorse or promote products derived from
18 // this software without specific prior written permission.
19 //
20 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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30 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 #endregion
32 
33 using Google.Protobuf.Reflection;
34 using Google.Protobuf.TestProtos;
35 using Google.Protobuf.WellKnownTypes;
36 using NUnit.Framework;
37 using ProtobufTestMessages.Proto2;
38 using ProtobufTestMessages.Proto3;
39 using System;
40 using UnitTest.Issues.TestProtos;
41 
42 namespace Google.Protobuf
43 {
44     /// <summary>
45     /// Unit tests for JSON parsing.
46     /// </summary>
47     public class JsonParserTest
48     {
49         // Sanity smoke test
50         [Test]
AllTypesRoundtrip()51         public void AllTypesRoundtrip()
52         {
53             AssertRoundtrip(SampleMessages.CreateFullTestAllTypes());
54         }
55 
56         [Test]
Maps()57         public void Maps()
58         {
59             AssertRoundtrip(new TestMap { MapStringString = { { "with spaces", "bar" }, { "a", "b" } } });
60             AssertRoundtrip(new TestMap { MapInt32Int32 = { { 0, 1 }, { 2, 3 } } });
61             AssertRoundtrip(new TestMap { MapBoolBool = { { false, true }, { true, false } } });
62         }
63 
64         [Test]
65         [TestCase(" 1 ")]
66         [TestCase("+1")]
67         [TestCase("1,000")]
68         [TestCase("1.5")]
IntegerMapKeysAreStrict(string keyText)69         public void IntegerMapKeysAreStrict(string keyText)
70         {
71             // Test that integer parsing is strict. We assume that if this is correct for int32,
72             // it's correct for other numeric key types.
73             var json = "{ \"mapInt32Int32\": { \"" + keyText + "\" : \"1\" } }";
74             Assert.Throws<InvalidProtocolBufferException>(() => JsonParser.Default.Parse<TestMap>(json));
75         }
76 
77         [Test]
OriginalFieldNameAccepted()78         public void OriginalFieldNameAccepted()
79         {
80             var json = "{ \"single_int32\": 10 }";
81             var expected = new TestAllTypes { SingleInt32 = 10 };
82             Assert.AreEqual(expected, TestAllTypes.Parser.ParseJson(json));
83         }
84 
85         [Test]
SourceContextRoundtrip()86         public void SourceContextRoundtrip()
87         {
88             AssertRoundtrip(new SourceContext { FileName = "foo.proto" });
89         }
90 
91         [Test]
SingularWrappers_DefaultNonNullValues()92         public void SingularWrappers_DefaultNonNullValues()
93         {
94             var message = new TestWellKnownTypes
95             {
96                 StringField = "",
97                 BytesField = ByteString.Empty,
98                 BoolField = false,
99                 FloatField = 0f,
100                 DoubleField = 0d,
101                 Int32Field = 0,
102                 Int64Field = 0,
103                 Uint32Field = 0,
104                 Uint64Field = 0
105             };
106             AssertRoundtrip(message);
107         }
108 
109         [Test]
SingularWrappers_NonDefaultValues()110         public void SingularWrappers_NonDefaultValues()
111         {
112             var message = new TestWellKnownTypes
113             {
114                 StringField = "x",
115                 BytesField = ByteString.CopyFrom(1, 2, 3),
116                 BoolField = true,
117                 FloatField = 12.5f,
118                 DoubleField = 12.25d,
119                 Int32Field = 1,
120                 Int64Field = 2,
121                 Uint32Field = 3,
122                 Uint64Field = 4
123             };
124             AssertRoundtrip(message);
125         }
126 
127         [Test]
SingularWrappers_ExplicitNulls()128         public void SingularWrappers_ExplicitNulls()
129         {
130             // When we parse the "valueField": null part, we remember it... basically, it's one case
131             // where explicit default values don't fully roundtrip.
132             var message = new TestWellKnownTypes { ValueField = Value.ForNull() };
133             var json = new JsonFormatter(new JsonFormatter.Settings(true)).Format(message);
134             var parsed = JsonParser.Default.Parse<TestWellKnownTypes>(json);
135             Assert.AreEqual(message, parsed);
136         }
137 
138         [Test]
139         [TestCase(typeof(BoolValue), "true", true)]
140         [TestCase(typeof(Int32Value), "32", 32)]
141         [TestCase(typeof(Int64Value), "32", 32L)]
142         [TestCase(typeof(Int64Value), "\"32\"", 32L)]
143         [TestCase(typeof(UInt32Value), "32", 32U)]
144         [TestCase(typeof(UInt64Value), "\"32\"", 32UL)]
145         [TestCase(typeof(UInt64Value), "32", 32UL)]
146         [TestCase(typeof(StringValue), "\"foo\"", "foo")]
147         [TestCase(typeof(FloatValue), "1.5", 1.5f)]
148         [TestCase(typeof(DoubleValue), "1.5", 1.5d)]
Wrappers_Standalone(System.Type wrapperType, string json, object expectedValue)149         public void Wrappers_Standalone(System.Type wrapperType, string json, object expectedValue)
150         {
151             IMessage parsed = (IMessage)Activator.CreateInstance(wrapperType);
152             IMessage expected = (IMessage)Activator.CreateInstance(wrapperType);
153             JsonParser.Default.Merge(parsed, "null");
154             Assert.AreEqual(expected, parsed);
155 
156             JsonParser.Default.Merge(parsed, json);
157             expected.Descriptor.Fields[WrappersReflection.WrapperValueFieldNumber].Accessor.SetValue(expected, expectedValue);
158             Assert.AreEqual(expected, parsed);
159         }
160 
161         [Test]
ExplicitNullValue()162         public void ExplicitNullValue()
163         {
164             string json = "{\"valueField\": null}";
165             var message = JsonParser.Default.Parse<TestWellKnownTypes>(json);
166             Assert.AreEqual(new TestWellKnownTypes { ValueField = Value.ForNull() }, message);
167         }
168 
169         [Test]
BytesWrapper_Standalone()170         public void BytesWrapper_Standalone()
171         {
172             ByteString data = ByteString.CopyFrom(1, 2, 3);
173             // Can't do this with attributes...
174             var parsed = JsonParser.Default.Parse<BytesValue>(WrapInQuotes(data.ToBase64()));
175             var expected = new BytesValue { Value = data };
176             Assert.AreEqual(expected, parsed);
177         }
178 
179         [Test]
RepeatedWrappers()180         public void RepeatedWrappers()
181         {
182             var message = new RepeatedWellKnownTypes
183             {
184                 BoolField = { true, false },
185                 BytesField = { ByteString.CopyFrom(1, 2, 3), ByteString.CopyFrom(4, 5, 6), ByteString.Empty },
186                 DoubleField = { 12.5, -1.5, 0d },
187                 FloatField = { 123.25f, -20f, 0f },
188                 Int32Field = { int.MaxValue, int.MinValue, 0 },
189                 Int64Field = { long.MaxValue, long.MinValue, 0L },
190                 StringField = { "First", "Second", "" },
191                 Uint32Field = { uint.MaxValue, uint.MinValue, 0U },
192                 Uint64Field = { ulong.MaxValue, ulong.MinValue, 0UL },
193             };
194             AssertRoundtrip(message);
195         }
196 
197         [Test]
RepeatedField_NullElementProhibited()198         public void RepeatedField_NullElementProhibited()
199         {
200             string json = "{ \"repeated_foreign_message\": [null] }";
201             Assert.Throws<InvalidProtocolBufferException>(() => TestAllTypes.Parser.ParseJson(json));
202         }
203 
204         [Test]
RepeatedField_NullOverallValueAllowed()205         public void RepeatedField_NullOverallValueAllowed()
206         {
207             string json = "{ \"repeated_foreign_message\": null }";
208             Assert.AreEqual(new TestAllTypes(), TestAllTypes.Parser.ParseJson(json));
209         }
210 
211         [Test]
212         [TestCase("{ \"mapInt32Int32\": { \"10\": null }")]
213         [TestCase("{ \"mapStringString\": { \"abc\": null }")]
214         [TestCase("{ \"mapInt32ForeignMessage\": { \"10\": null }")]
MapField_NullValueProhibited(string json)215         public void MapField_NullValueProhibited(string json)
216         {
217             Assert.Throws<InvalidProtocolBufferException>(() => TestMap.Parser.ParseJson(json));
218         }
219 
220         [Test]
MapField_NullOverallValueAllowed()221         public void MapField_NullOverallValueAllowed()
222         {
223             string json = "{ \"mapInt32Int32\": null }";
224             Assert.AreEqual(new TestMap(), TestMap.Parser.ParseJson(json));
225         }
226 
227         [Test]
IndividualWrapperTypes()228         public void IndividualWrapperTypes()
229         {
230             Assert.AreEqual(new StringValue { Value = "foo" }, StringValue.Parser.ParseJson("\"foo\""));
231             Assert.AreEqual(new Int32Value { Value = 1 }, Int32Value.Parser.ParseJson("1"));
232             // Can parse strings directly too
233             Assert.AreEqual(new Int32Value { Value = 1 }, Int32Value.Parser.ParseJson("\"1\""));
234         }
235 
236         private static void AssertRoundtrip<T>(T message) where T : IMessage<T>, new()
237         {
238             var clone = message.Clone();
239             var json = JsonFormatter.Default.Format(message);
240             var parsed = JsonParser.Default.Parse<T>(json);
241             Assert.AreEqual(clone, parsed);
242         }
243 
244         [Test]
245         [TestCase("0", 0)]
246         [TestCase("-0", 0)] // Not entirely clear whether we intend to allow this...
247         [TestCase("1", 1)]
248         [TestCase("-1", -1)]
249         [TestCase("2147483647", 2147483647)]
250         [TestCase("-2147483648", -2147483648)]
StringToInt32_Valid(string jsonValue, int expectedParsedValue)251         public void StringToInt32_Valid(string jsonValue, int expectedParsedValue)
252         {
253             string json = "{ \"singleInt32\": \"" + jsonValue + "\"}";
254             var parsed = TestAllTypes.Parser.ParseJson(json);
255             Assert.AreEqual(expectedParsedValue, parsed.SingleInt32);
256         }
257 
258         [Test]
259         [TestCase("+0")]
260         [TestCase(" 1")]
261         [TestCase("1 ")]
262         [TestCase("00")]
263         [TestCase("-00")]
264         [TestCase("--1")]
265         [TestCase("+1")]
266         [TestCase("1.5")]
267         [TestCase("1e10")]
268         [TestCase("2147483648")]
269         [TestCase("-2147483649")]
StringToInt32_Invalid(string jsonValue)270         public void StringToInt32_Invalid(string jsonValue)
271         {
272             string json = "{ \"singleInt32\": \"" + jsonValue + "\"}";
273             Assert.Throws<InvalidProtocolBufferException>(() => TestAllTypes.Parser.ParseJson(json));
274         }
275 
276         [Test]
277         [TestCase("0", 0U)]
278         [TestCase("1", 1U)]
279         [TestCase("4294967295", 4294967295U)]
StringToUInt32_Valid(string jsonValue, uint expectedParsedValue)280         public void StringToUInt32_Valid(string jsonValue, uint expectedParsedValue)
281         {
282             string json = "{ \"singleUint32\": \"" + jsonValue + "\"}";
283             var parsed = TestAllTypes.Parser.ParseJson(json);
284             Assert.AreEqual(expectedParsedValue, parsed.SingleUint32);
285         }
286 
287         // Assume that anything non-bounds-related is covered in the Int32 case
288         [Test]
289         [TestCase("-1")]
290         [TestCase("4294967296")]
StringToUInt32_Invalid(string jsonValue)291         public void StringToUInt32_Invalid(string jsonValue)
292         {
293             string json = "{ \"singleUint32\": \"" + jsonValue + "\"}";
294             Assert.Throws<InvalidProtocolBufferException>(() => TestAllTypes.Parser.ParseJson(json));
295         }
296 
297         [Test]
298         [TestCase("0", 0L)]
299         [TestCase("1", 1L)]
300         [TestCase("-1", -1L)]
301         [TestCase("9223372036854775807", 9223372036854775807)]
302         [TestCase("-9223372036854775808", -9223372036854775808)]
StringToInt64_Valid(string jsonValue, long expectedParsedValue)303         public void StringToInt64_Valid(string jsonValue, long expectedParsedValue)
304         {
305             string json = "{ \"singleInt64\": \"" + jsonValue + "\"}";
306             var parsed = TestAllTypes.Parser.ParseJson(json);
307             Assert.AreEqual(expectedParsedValue, parsed.SingleInt64);
308         }
309 
310         // Assume that anything non-bounds-related is covered in the Int32 case
311         [Test]
312         [TestCase("-9223372036854775809")]
313         [TestCase("9223372036854775808")]
StringToInt64_Invalid(string jsonValue)314         public void StringToInt64_Invalid(string jsonValue)
315         {
316             string json = "{ \"singleInt64\": \"" + jsonValue + "\"}";
317             Assert.Throws<InvalidProtocolBufferException>(() => TestAllTypes.Parser.ParseJson(json));
318         }
319 
320         [Test]
321         [TestCase("0", 0UL)]
322         [TestCase("1", 1UL)]
323         [TestCase("18446744073709551615", 18446744073709551615)]
StringToUInt64_Valid(string jsonValue, ulong expectedParsedValue)324         public void StringToUInt64_Valid(string jsonValue, ulong expectedParsedValue)
325         {
326             string json = "{ \"singleUint64\": \"" + jsonValue + "\"}";
327             var parsed = TestAllTypes.Parser.ParseJson(json);
328             Assert.AreEqual(expectedParsedValue, parsed.SingleUint64);
329         }
330 
331         // Assume that anything non-bounds-related is covered in the Int32 case
332         [Test]
333         [TestCase("-1")]
334         [TestCase("18446744073709551616")]
StringToUInt64_Invalid(string jsonValue)335         public void StringToUInt64_Invalid(string jsonValue)
336         {
337             string json = "{ \"singleUint64\": \"" + jsonValue + "\"}";
338             Assert.Throws<InvalidProtocolBufferException>(() => TestAllTypes.Parser.ParseJson(json));
339         }
340 
341         [Test]
342         [TestCase("0", 0d)]
343         [TestCase("1", 1d)]
344         [TestCase("1.000000", 1d)]
345         [TestCase("1.0000000000000000000000001", 1d)] // We don't notice that we haven't preserved the exact value
346         [TestCase("-1", -1d)]
347         [TestCase("1e1", 10d)]
348         [TestCase("1e01", 10d)] // Leading decimals are allowed in exponents
349         [TestCase("1E1", 10d)] // Either case is fine
350         [TestCase("-1e1", -10d)]
351         [TestCase("1.5e1", 15d)]
352         [TestCase("-1.5e1", -15d)]
353         [TestCase("15e-1", 1.5d)]
354         [TestCase("-15e-1", -1.5d)]
355         [TestCase("1.79769e308", 1.79769e308)]
356         [TestCase("-1.79769e308", -1.79769e308)]
357         [TestCase("Infinity", double.PositiveInfinity)]
358         [TestCase("-Infinity", double.NegativeInfinity)]
359         [TestCase("NaN", double.NaN)]
StringToDouble_Valid(string jsonValue, double expectedParsedValue)360         public void StringToDouble_Valid(string jsonValue, double expectedParsedValue)
361         {
362             string json = "{ \"singleDouble\": \"" + jsonValue + "\"}";
363             var parsed = TestAllTypes.Parser.ParseJson(json);
364             Assert.AreEqual(expectedParsedValue, parsed.SingleDouble);
365         }
366 
367         [Test]
368         [TestCase("1.7977e308")]
369         [TestCase("-1.7977e308")]
370         [TestCase("1e309")]
371         [TestCase("1,0")]
372         [TestCase("1.0.0")]
373         [TestCase("+1")]
374         [TestCase("00")]
375         [TestCase("01")]
376         [TestCase("-00")]
377         [TestCase("-01")]
378         [TestCase("--1")]
379         [TestCase(" Infinity")]
380         [TestCase(" -Infinity")]
381         [TestCase("NaN ")]
382         [TestCase("Infinity ")]
383         [TestCase("-Infinity ")]
384         [TestCase(" NaN")]
385         [TestCase("INFINITY")]
386         [TestCase("nan")]
387         [TestCase("\u00BD")] // 1/2 as a single Unicode character. Just sanity checking...
StringToDouble_Invalid(string jsonValue)388         public void StringToDouble_Invalid(string jsonValue)
389         {
390             string json = "{ \"singleDouble\": \"" + jsonValue + "\"}";
391             Assert.Throws<InvalidProtocolBufferException>(() => TestAllTypes.Parser.ParseJson(json));
392         }
393 
394         [Test]
395         [TestCase("0", 0f)]
396         [TestCase("1", 1f)]
397         [TestCase("1.000000", 1f)]
398         [TestCase("-1", -1f)]
399         [TestCase("3.402823e38", 3.402823e38f)]
400         [TestCase("-3.402823e38", -3.402823e38f)]
401         [TestCase("1.5e1", 15f)]
402         [TestCase("15e-1", 1.5f)]
StringToFloat_Valid(string jsonValue, float expectedParsedValue)403         public void StringToFloat_Valid(string jsonValue, float expectedParsedValue)
404         {
405             string json = "{ \"singleFloat\": \"" + jsonValue + "\"}";
406             var parsed = TestAllTypes.Parser.ParseJson(json);
407             Assert.AreEqual(expectedParsedValue, parsed.SingleFloat);
408         }
409 
410         [Test]
411         [TestCase("3.402824e38")]
412         [TestCase("-3.402824e38")]
413         [TestCase("1,0")]
414         [TestCase("1.0.0")]
415         [TestCase("+1")]
416         [TestCase("00")]
417         [TestCase("--1")]
StringToFloat_Invalid(string jsonValue)418         public void StringToFloat_Invalid(string jsonValue)
419         {
420             string json = "{ \"singleFloat\": \"" + jsonValue + "\"}";
421             Assert.Throws<InvalidProtocolBufferException>(() => TestAllTypes.Parser.ParseJson(json));
422         }
423 
424         [Test]
425         [TestCase("0", 0)]
426         [TestCase("-0", 0)] // Not entirely clear whether we intend to allow this...
427         [TestCase("1", 1)]
428         [TestCase("-1", -1)]
429         [TestCase("2147483647", 2147483647)]
430         [TestCase("-2147483648", -2147483648)]
431         [TestCase("1e1", 10)]
432         [TestCase("-1e1", -10)]
433         [TestCase("10.00", 10)]
434         [TestCase("-10.00", -10)]
NumberToInt32_Valid(string jsonValue, int expectedParsedValue)435         public void NumberToInt32_Valid(string jsonValue, int expectedParsedValue)
436         {
437             string json = "{ \"singleInt32\": " + jsonValue + "}";
438             var parsed = TestAllTypes.Parser.ParseJson(json);
439             Assert.AreEqual(expectedParsedValue, parsed.SingleInt32);
440         }
441 
442         [Test]
443         [TestCase("+0", typeof(InvalidJsonException))]
444         [TestCase("00", typeof(InvalidJsonException))]
445         [TestCase("-00", typeof(InvalidJsonException))]
446         [TestCase("--1", typeof(InvalidJsonException))]
447         [TestCase("+1", typeof(InvalidJsonException))]
448         [TestCase("1.5", typeof(InvalidProtocolBufferException))]
449         // Value is out of range
450         [TestCase("1e10", typeof(InvalidProtocolBufferException))]
451         [TestCase("2147483648", typeof(InvalidProtocolBufferException))]
452         [TestCase("-2147483649", typeof(InvalidProtocolBufferException))]
NumberToInt32_Invalid(string jsonValue, System.Type expectedExceptionType)453         public void NumberToInt32_Invalid(string jsonValue, System.Type expectedExceptionType)
454         {
455             string json = "{ \"singleInt32\": " + jsonValue + "}";
456             Assert.Throws(expectedExceptionType, () => TestAllTypes.Parser.ParseJson(json));
457         }
458 
459         [Test]
460         [TestCase("0", 0U)]
461         [TestCase("1", 1U)]
462         [TestCase("4294967295", 4294967295U)]
NumberToUInt32_Valid(string jsonValue, uint expectedParsedValue)463         public void NumberToUInt32_Valid(string jsonValue, uint expectedParsedValue)
464         {
465             string json = "{ \"singleUint32\": " + jsonValue + "}";
466             var parsed = TestAllTypes.Parser.ParseJson(json);
467             Assert.AreEqual(expectedParsedValue, parsed.SingleUint32);
468         }
469 
470         // Assume that anything non-bounds-related is covered in the Int32 case
471         [Test]
472         [TestCase("-1")]
473         [TestCase("4294967296")]
NumberToUInt32_Invalid(string jsonValue)474         public void NumberToUInt32_Invalid(string jsonValue)
475         {
476             string json = "{ \"singleUint32\": " + jsonValue + "}";
477             Assert.Throws<InvalidProtocolBufferException>(() => TestAllTypes.Parser.ParseJson(json));
478         }
479 
480         [Test]
481         [TestCase("0", 0L)]
482         [TestCase("1", 1L)]
483         [TestCase("-1", -1L)]
484         // long.MaxValue isn't actually representable as a double. This string value is the highest
485         // representable value which isn't greater than long.MaxValue.
486         [TestCase("9223372036854774784", 9223372036854774784)]
487         [TestCase("-9223372036854775808", -9223372036854775808)]
NumberToInt64_Valid(string jsonValue, long expectedParsedValue)488         public void NumberToInt64_Valid(string jsonValue, long expectedParsedValue)
489         {
490             string json = "{ \"singleInt64\": " + jsonValue + "}";
491             var parsed = TestAllTypes.Parser.ParseJson(json);
492             Assert.AreEqual(expectedParsedValue, parsed.SingleInt64);
493         }
494 
495         // Assume that anything non-bounds-related is covered in the Int32 case
496         [Test]
497         [TestCase("9223372036854775808")]
498         // Theoretical bound would be -9223372036854775809, but when that is parsed to a double
499         // we end up with the exact value of long.MinValue due to lack of precision. The value here
500         // is the "next double down".
501         [TestCase("-9223372036854780000")]
NumberToInt64_Invalid(string jsonValue)502         public void NumberToInt64_Invalid(string jsonValue)
503         {
504             string json = "{ \"singleInt64\": " + jsonValue + "}";
505             Assert.Throws<InvalidProtocolBufferException>(() => TestAllTypes.Parser.ParseJson(json));
506         }
507 
508         [Test]
509         [TestCase("0", 0UL)]
510         [TestCase("1", 1UL)]
511         // ulong.MaxValue isn't representable as a double. This value is the largest double within
512         // the range of ulong.
513         [TestCase("18446744073709549568", 18446744073709549568UL)]
NumberToUInt64_Valid(string jsonValue, ulong expectedParsedValue)514         public void NumberToUInt64_Valid(string jsonValue, ulong expectedParsedValue)
515         {
516             string json = "{ \"singleUint64\": " + jsonValue + "}";
517             var parsed = TestAllTypes.Parser.ParseJson(json);
518             Assert.AreEqual(expectedParsedValue, parsed.SingleUint64);
519         }
520 
521         // Assume that anything non-bounds-related is covered in the Int32 case
522         [Test]
523         [TestCase("-1")]
524         [TestCase("18446744073709551616")]
NumberToUInt64_Invalid(string jsonValue)525         public void NumberToUInt64_Invalid(string jsonValue)
526         {
527             string json = "{ \"singleUint64\": " + jsonValue + "}";
528             Assert.Throws<InvalidProtocolBufferException>(() => TestAllTypes.Parser.ParseJson(json));
529         }
530 
531         [Test]
532         [TestCase("0", 0d)]
533         [TestCase("1", 1d)]
534         [TestCase("1.000000", 1d)]
535         [TestCase("1.0000000000000000000000001", 1d)] // We don't notice that we haven't preserved the exact value
536         [TestCase("-1", -1d)]
537         [TestCase("1e1", 10d)]
538         [TestCase("1e01", 10d)] // Leading decimals are allowed in exponents
539         [TestCase("1E1", 10d)] // Either case is fine
540         [TestCase("-1e1", -10d)]
541         [TestCase("1.5e1", 15d)]
542         [TestCase("-1.5e1", -15d)]
543         [TestCase("15e-1", 1.5d)]
544         [TestCase("-15e-1", -1.5d)]
545         [TestCase("1.79769e308", 1.79769e308)]
546         [TestCase("-1.79769e308", -1.79769e308)]
NumberToDouble_Valid(string jsonValue, double expectedParsedValue)547         public void NumberToDouble_Valid(string jsonValue, double expectedParsedValue)
548         {
549             string json = "{ \"singleDouble\": " + jsonValue + "}";
550             var parsed = TestAllTypes.Parser.ParseJson(json);
551             Assert.AreEqual(expectedParsedValue, parsed.SingleDouble);
552         }
553 
554         [Test]
555         [TestCase("1.7977e308")]
556         [TestCase("-1.7977e308")]
557         [TestCase("1e309")]
558         [TestCase("1,0")]
559         [TestCase("1.0.0")]
560         [TestCase("+1")]
561         [TestCase("00")]
562         [TestCase("--1")]
563         [TestCase("\u00BD")] // 1/2 as a single Unicode character. Just sanity checking...
NumberToDouble_Invalid(string jsonValue)564         public void NumberToDouble_Invalid(string jsonValue)
565         {
566             string json = "{ \"singleDouble\": " + jsonValue + "}";
567             Assert.Throws<InvalidJsonException>(() => TestAllTypes.Parser.ParseJson(json));
568         }
569 
570         [Test]
571         [TestCase("0", 0f)]
572         [TestCase("1", 1f)]
573         [TestCase("1.000000", 1f)]
574         [TestCase("-1", -1f)]
575         [TestCase("3.402823e38", 3.402823e38f)]
576         [TestCase("-3.402823e38", -3.402823e38f)]
577         [TestCase("1.5e1", 15f)]
578         [TestCase("15e-1", 1.5f)]
NumberToFloat_Valid(string jsonValue, float expectedParsedValue)579         public void NumberToFloat_Valid(string jsonValue, float expectedParsedValue)
580         {
581             string json = "{ \"singleFloat\": " + jsonValue + "}";
582             var parsed = TestAllTypes.Parser.ParseJson(json);
583             Assert.AreEqual(expectedParsedValue, parsed.SingleFloat);
584         }
585 
586         [Test]
587         [TestCase("3.402824e38", typeof(InvalidProtocolBufferException))]
588         [TestCase("-3.402824e38", typeof(InvalidProtocolBufferException))]
589         [TestCase("1,0", typeof(InvalidJsonException))]
590         [TestCase("1.0.0", typeof(InvalidJsonException))]
591         [TestCase("+1", typeof(InvalidJsonException))]
592         [TestCase("00", typeof(InvalidJsonException))]
593         [TestCase("--1", typeof(InvalidJsonException))]
NumberToFloat_Invalid(string jsonValue, System.Type expectedExceptionType)594         public void NumberToFloat_Invalid(string jsonValue, System.Type expectedExceptionType)
595         {
596             string json = "{ \"singleFloat\": " + jsonValue + "}";
597             Assert.Throws(expectedExceptionType, () => TestAllTypes.Parser.ParseJson(json));
598         }
599 
600         // The simplest way of testing that the value has parsed correctly is to reformat it,
601         // as we trust the formatting. In many cases that will give the same result as the input,
602         // so in those cases we accept an expectedFormatted value of null. Sometimes the results
603         // will be different though, due to a different number of digits being provided.
604         [Test]
605         // Z offset
606         [TestCase("2015-10-09T14:46:23.123456789Z", null)]
607         [TestCase("2015-10-09T14:46:23.123456Z", null)]
608         [TestCase("2015-10-09T14:46:23.123Z", null)]
609         [TestCase("2015-10-09T14:46:23Z", null)]
610         [TestCase("2015-10-09T14:46:23.123456000Z", "2015-10-09T14:46:23.123456Z")]
611         [TestCase("2015-10-09T14:46:23.1234560Z", "2015-10-09T14:46:23.123456Z")]
612         [TestCase("2015-10-09T14:46:23.123000000Z", "2015-10-09T14:46:23.123Z")]
613         [TestCase("2015-10-09T14:46:23.1230Z", "2015-10-09T14:46:23.123Z")]
614         [TestCase("2015-10-09T14:46:23.00Z", "2015-10-09T14:46:23Z")]
615 
616         // +00:00 offset
617         [TestCase("2015-10-09T14:46:23.123456789+00:00", "2015-10-09T14:46:23.123456789Z")]
618         [TestCase("2015-10-09T14:46:23.123456+00:00", "2015-10-09T14:46:23.123456Z")]
619         [TestCase("2015-10-09T14:46:23.123+00:00", "2015-10-09T14:46:23.123Z")]
620         [TestCase("2015-10-09T14:46:23+00:00", "2015-10-09T14:46:23Z")]
621         [TestCase("2015-10-09T14:46:23.123456000+00:00", "2015-10-09T14:46:23.123456Z")]
622         [TestCase("2015-10-09T14:46:23.1234560+00:00", "2015-10-09T14:46:23.123456Z")]
623         [TestCase("2015-10-09T14:46:23.123000000+00:00", "2015-10-09T14:46:23.123Z")]
624         [TestCase("2015-10-09T14:46:23.1230+00:00", "2015-10-09T14:46:23.123Z")]
625         [TestCase("2015-10-09T14:46:23.00+00:00", "2015-10-09T14:46:23Z")]
626 
627         // Other offsets (assume by now that the subsecond handling is okay)
628         [TestCase("2015-10-09T15:46:23.123456789+01:00", "2015-10-09T14:46:23.123456789Z")]
629         [TestCase("2015-10-09T13:46:23.123456789-01:00", "2015-10-09T14:46:23.123456789Z")]
630         [TestCase("2015-10-09T15:16:23.123456789+00:30", "2015-10-09T14:46:23.123456789Z")]
631         [TestCase("2015-10-09T14:16:23.123456789-00:30", "2015-10-09T14:46:23.123456789Z")]
632         [TestCase("2015-10-09T16:31:23.123456789+01:45", "2015-10-09T14:46:23.123456789Z")]
633         [TestCase("2015-10-09T13:01:23.123456789-01:45", "2015-10-09T14:46:23.123456789Z")]
634         [TestCase("2015-10-10T08:46:23.123456789+18:00", "2015-10-09T14:46:23.123456789Z")]
635         [TestCase("2015-10-08T20:46:23.123456789-18:00", "2015-10-09T14:46:23.123456789Z")]
636 
637         // Leap years and min/max
638         [TestCase("2016-02-29T14:46:23.123456789Z", null)]
639         [TestCase("2000-02-29T14:46:23.123456789Z", null)]
640         [TestCase("0001-01-01T00:00:00Z", null)]
641         [TestCase("9999-12-31T23:59:59.999999999Z", null)]
Timestamp_Valid(string jsonValue, string expectedFormatted)642         public void Timestamp_Valid(string jsonValue, string expectedFormatted)
643         {
644             expectedFormatted = expectedFormatted ?? jsonValue;
645             string json = WrapInQuotes(jsonValue);
646             var parsed = Timestamp.Parser.ParseJson(json);
647             Assert.AreEqual(WrapInQuotes(expectedFormatted), parsed.ToString());
648         }
649 
650         [Test]
651         [TestCase("2015-10-09 14:46:23.123456789Z", Description = "No T between date and time")]
652         [TestCase("2015/10/09T14:46:23.123456789Z", Description = "Wrong date separators")]
653         [TestCase("2015-10-09T14.46.23.123456789Z", Description = "Wrong time separators")]
654         [TestCase("2015-10-09T14:46:23,123456789Z", Description = "Wrong fractional second separators (valid ISO-8601 though)")]
655         [TestCase(" 2015-10-09T14:46:23.123456789Z", Description = "Whitespace at start")]
656         [TestCase("2015-10-09T14:46:23.123456789Z ", Description = "Whitespace at end")]
657         [TestCase("2015-10-09T14:46:23.1234567890", Description = "Too many digits")]
658         [TestCase("2015-10-09T14:46:23.123456789", Description = "No offset")]
659         [TestCase("2015-13-09T14:46:23.123456789Z", Description = "Invalid month")]
660         [TestCase("2015-10-32T14:46:23.123456789Z", Description = "Invalid day")]
661         [TestCase("2015-10-09T24:00:00.000000000Z", Description = "Invalid hour (valid ISO-8601 though)")]
662         [TestCase("2015-10-09T14:60:23.123456789Z", Description = "Invalid minutes")]
663         [TestCase("2015-10-09T14:46:60.123456789Z", Description = "Invalid seconds")]
664         [TestCase("2015-10-09T14:46:23.123456789+18:01", Description = "Offset too large (positive)")]
665         [TestCase("2015-10-09T14:46:23.123456789-18:01", Description = "Offset too large (negative)")]
666         [TestCase("2015-10-09T14:46:23.123456789-00:00", Description = "Local offset (-00:00) makes no sense here")]
667         [TestCase("0001-01-01T00:00:00+00:01", Description = "Value before earliest when offset applied")]
668         [TestCase("9999-12-31T23:59:59.999999999-00:01", Description = "Value after latest when offset applied")]
669         [TestCase("2100-02-29T14:46:23.123456789Z", Description = "Feb 29th on a non-leap-year")]
Timestamp_Invalid(string jsonValue)670         public void Timestamp_Invalid(string jsonValue)
671         {
672             string json = WrapInQuotes(jsonValue);
673             Assert.Throws<InvalidProtocolBufferException>(() => Timestamp.Parser.ParseJson(json));
674         }
675 
676         [Test]
StructValue_Null()677         public void StructValue_Null()
678         {
679             Assert.AreEqual(new Value { NullValue = 0 }, Value.Parser.ParseJson("null"));
680         }
681 
682         [Test]
StructValue_String()683         public void StructValue_String()
684         {
685             Assert.AreEqual(new Value { StringValue = "hi" }, Value.Parser.ParseJson("\"hi\""));
686         }
687 
688         [Test]
StructValue_Bool()689         public void StructValue_Bool()
690         {
691             Assert.AreEqual(new Value { BoolValue = true }, Value.Parser.ParseJson("true"));
692             Assert.AreEqual(new Value { BoolValue = false }, Value.Parser.ParseJson("false"));
693         }
694 
695         [Test]
StructValue_List()696         public void StructValue_List()
697         {
698             Assert.AreEqual(Value.ForList(Value.ForNumber(1), Value.ForString("x")), Value.Parser.ParseJson("[1, \"x\"]"));
699         }
700 
701         [Test]
Value_List_WithNullElement()702         public void Value_List_WithNullElement()
703         {
704             var expected = Value.ForList(Value.ForString("x"), Value.ForNull(), Value.ForString("y"));
705             var actual = Value.Parser.ParseJson("[\"x\", null, \"y\"]");
706             Assert.AreEqual(expected, actual);
707         }
708 
709         [Test]
StructValue_NullElement()710         public void StructValue_NullElement()
711         {
712             var expected = Value.ForStruct(new Struct { Fields = { { "x", Value.ForNull() } } });
713             var actual = Value.Parser.ParseJson("{ \"x\": null }");
714             Assert.AreEqual(expected, actual);
715         }
716 
717         [Test]
ParseListValue()718         public void ParseListValue()
719         {
720             Assert.AreEqual(new ListValue { Values = { Value.ForNumber(1), Value.ForString("x") } }, ListValue.Parser.ParseJson("[1, \"x\"]"));
721         }
722 
723         [Test]
StructValue_Struct()724         public void StructValue_Struct()
725         {
726             Assert.AreEqual(
727                 Value.ForStruct(new Struct { Fields = { { "x", Value.ForNumber(1) }, { "y", Value.ForString("z") } } }),
728                 Value.Parser.ParseJson("{ \"x\": 1, \"y\": \"z\" }"));
729         }
730 
731         [Test]
ParseStruct()732         public void ParseStruct()
733         {
734             Assert.AreEqual(new Struct { Fields = { { "x", Value.ForNumber(1) }, { "y", Value.ForString("z") } } },
735                 Struct.Parser.ParseJson("{ \"x\": 1, \"y\": \"z\" }"));
736         }
737 
738         // TODO for duration parsing: upper and lower bounds.
739         // +/- 315576000000 seconds
740 
741         [Test]
742         [TestCase("1.123456789s", null)]
743         [TestCase("1.123456s", null)]
744         [TestCase("1.123s", null)]
745         [TestCase("1.12300s", "1.123s")]
746         [TestCase("1.12345s", "1.123450s")]
747         [TestCase("1s", null)]
748         [TestCase("-1.123456789s", null)]
749         [TestCase("-1.123456s", null)]
750         [TestCase("-1.123s", null)]
751         [TestCase("-1s", null)]
752         [TestCase("0.123s", null)]
753         [TestCase("-0.123s", null)]
754         [TestCase("123456.123s", null)]
755         [TestCase("-123456.123s", null)]
756         // Upper and lower bounds
757         [TestCase("315576000000s", null)]
758         [TestCase("-315576000000s", null)]
Duration_Valid(string jsonValue, string expectedFormatted)759         public void Duration_Valid(string jsonValue, string expectedFormatted)
760         {
761             expectedFormatted = expectedFormatted ?? jsonValue;
762             string json = WrapInQuotes(jsonValue);
763             var parsed = Duration.Parser.ParseJson(json);
764             Assert.AreEqual(WrapInQuotes(expectedFormatted), parsed.ToString());
765         }
766 
767         // The simplest way of testing that the value has parsed correctly is to reformat it,
768         // as we trust the formatting. In many cases that will give the same result as the input,
769         // so in those cases we accept an expectedFormatted value of null. Sometimes the results
770         // will be different though, due to a different number of digits being provided.
771         [Test]
772         [TestCase("1.1234567890s", Description = "Too many digits")]
773         [TestCase("1.123456789", Description = "No suffix")]
774         [TestCase("1.123456789ss", Description = "Too much suffix")]
775         [TestCase("1.123456789S", Description = "Upper case suffix")]
776         [TestCase("+1.123456789s", Description = "Leading +")]
777         [TestCase(".123456789s", Description = "No integer before the fraction")]
778         [TestCase("1,123456789s", Description = "Comma as decimal separator")]
779         [TestCase("1x1.123456789s", Description = "Non-digit in integer part")]
780         [TestCase("1.1x3456789s", Description = "Non-digit in fractional part")]
781         [TestCase(" 1.123456789s", Description = "Whitespace before fraction")]
782         [TestCase("1.123456789s ", Description = "Whitespace after value")]
783         [TestCase("01.123456789s", Description = "Leading zero (positive)")]
784         [TestCase("-01.123456789s", Description = "Leading zero (negative)")]
785         [TestCase("--0.123456789s", Description = "Double minus sign")]
786         // Violate upper/lower bounds in various ways
787         [TestCase("315576000001s", Description = "Integer part too large")]
788         [TestCase("3155760000000s", Description = "Integer part too long (positive)")]
789         [TestCase("-3155760000000s", Description = "Integer part too long (negative)")]
Duration_Invalid(string jsonValue)790         public void Duration_Invalid(string jsonValue)
791         {
792             string json = WrapInQuotes(jsonValue);
793             Assert.Throws<InvalidProtocolBufferException>(() => Duration.Parser.ParseJson(json));
794         }
795 
796         // Not as many tests for field masks as I'd like; more to be added when we have more
797         // detailed specifications.
798 
799         [Test]
800         [TestCase("")]
801         [TestCase("foo", "foo")]
802         [TestCase("foo,bar", "foo", "bar")]
803         [TestCase("foo.bar", "foo.bar")]
804         [TestCase("fooBar", "foo_bar")]
805         [TestCase("fooBar.bazQux", "foo_bar.baz_qux")]
FieldMask_Valid(string jsonValue, params string[] expectedPaths)806         public void FieldMask_Valid(string jsonValue, params string[] expectedPaths)
807         {
808             string json = WrapInQuotes(jsonValue);
809             var parsed = FieldMask.Parser.ParseJson(json);
810             CollectionAssert.AreEqual(expectedPaths, parsed.Paths);
811         }
812 
813         [Test]
814         [TestCase("foo_bar")]
FieldMask_Invalid(string jsonValue)815         public void FieldMask_Invalid(string jsonValue)
816         {
817             string json = WrapInQuotes(jsonValue);
818             Assert.Throws<InvalidProtocolBufferException>(() => FieldMask.Parser.ParseJson(json));
819         }
820 
821         [Test]
Any_RegularMessage()822         public void Any_RegularMessage()
823         {
824             var registry = TypeRegistry.FromMessages(TestAllTypes.Descriptor);
825             var formatter = new JsonFormatter(new JsonFormatter.Settings(false, TypeRegistry.FromMessages(TestAllTypes.Descriptor)));
826             var message = new TestAllTypes { SingleInt32 = 10, SingleNestedMessage = new TestAllTypes.Types.NestedMessage { Bb = 20 } };
827             var original = Any.Pack(message);
828             var json = formatter.Format(original); // This is tested in JsonFormatterTest
829             var parser = new JsonParser(new JsonParser.Settings(10, registry));
830             Assert.AreEqual(original, parser.Parse<Any>(json));
831             string valueFirstJson = "{ \"singleInt32\": 10, \"singleNestedMessage\": { \"bb\": 20 }, \"@type\": \"type.googleapis.com/protobuf_unittest3.TestAllTypes\" }";
832             Assert.AreEqual(original, parser.Parse<Any>(valueFirstJson));
833         }
834 
835         [Test]
Any_CustomPrefix()836         public void Any_CustomPrefix()
837         {
838             var registry = TypeRegistry.FromMessages(TestAllTypes.Descriptor);
839             var message = new TestAllTypes { SingleInt32 = 10 };
840             var original = Any.Pack(message, "custom.prefix/middle-part");
841             var parser = new JsonParser(new JsonParser.Settings(10, registry));
842             string json = "{ \"@type\": \"custom.prefix/middle-part/protobuf_unittest3.TestAllTypes\", \"singleInt32\": 10 }";
843             Assert.AreEqual(original, parser.Parse<Any>(json));
844         }
845 
846         [Test]
Any_UnknownType()847         public void Any_UnknownType()
848         {
849             string json = "{ \"@type\": \"type.googleapis.com/bogus\" }";
850             Assert.Throws<InvalidOperationException>(() => Any.Parser.ParseJson(json));
851         }
852 
853         [Test]
Any_NoTypeUrl()854         public void Any_NoTypeUrl()
855         {
856             string json = "{ \"foo\": \"bar\" }";
857             Assert.Throws<InvalidProtocolBufferException>(() => Any.Parser.ParseJson(json));
858         }
859 
860         [Test]
Any_WellKnownType()861         public void Any_WellKnownType()
862         {
863             var registry = TypeRegistry.FromMessages(Timestamp.Descriptor);
864             var formatter = new JsonFormatter(new JsonFormatter.Settings(false, registry));
865             var timestamp = new DateTime(1673, 6, 19, 12, 34, 56, DateTimeKind.Utc).ToTimestamp();
866             var original = Any.Pack(timestamp);
867             var json = formatter.Format(original); // This is tested in JsonFormatterTest
868             var parser = new JsonParser(new JsonParser.Settings(10, registry));
869             Assert.AreEqual(original, parser.Parse<Any>(json));
870             string valueFirstJson = "{ \"value\": \"1673-06-19T12:34:56Z\", \"@type\": \"type.googleapis.com/google.protobuf.Timestamp\" }";
871             Assert.AreEqual(original, parser.Parse<Any>(valueFirstJson));
872         }
873 
874         [Test]
Any_Nested()875         public void Any_Nested()
876         {
877             var registry = TypeRegistry.FromMessages(TestWellKnownTypes.Descriptor, TestAllTypes.Descriptor);
878             var formatter = new JsonFormatter(new JsonFormatter.Settings(false, registry));
879             var parser = new JsonParser(new JsonParser.Settings(10, registry));
880             var doubleNestedMessage = new TestAllTypes { SingleInt32 = 20 };
881             var nestedMessage = Any.Pack(doubleNestedMessage);
882             var message = new TestWellKnownTypes { AnyField = Any.Pack(nestedMessage) };
883             var json = formatter.Format(message);
884             // Use the descriptor-based parser just for a change.
885             Assert.AreEqual(message, parser.Parse(json, TestWellKnownTypes.Descriptor));
886         }
887 
888         [Test]
DataAfterObject()889         public void DataAfterObject()
890         {
891             string json = "{} 10";
892             Assert.Throws<InvalidJsonException>(() => TestAllTypes.Parser.ParseJson(json));
893         }
894 
895         /// <summary>
896         /// JSON equivalent to <see cref="CodedInputStreamTest.MaliciousRecursion"/>
897         /// </summary>
898         [Test]
MaliciousRecursion()899         public void MaliciousRecursion()
900         {
901             string data64 = CodedInputStreamTest.MakeRecursiveMessage(64).ToString();
902             string data65 = CodedInputStreamTest.MakeRecursiveMessage(65).ToString();
903 
904             var parser64 = new JsonParser(new JsonParser.Settings(64));
905             CodedInputStreamTest.AssertMessageDepth(parser64.Parse<TestRecursiveMessage>(data64), 64);
906             Assert.Throws<InvalidProtocolBufferException>(() => parser64.Parse<TestRecursiveMessage>(data65));
907 
908             var parser63 = new JsonParser(new JsonParser.Settings(63));
909             Assert.Throws<InvalidProtocolBufferException>(() => parser63.Parse<TestRecursiveMessage>(data64));
910         }
911 
912         [Test]
913         [TestCase("AQI")]
914         [TestCase("_-==")]
Bytes_InvalidBase64(string badBase64)915         public void Bytes_InvalidBase64(string badBase64)
916         {
917             string json = "{ \"singleBytes\": \"" + badBase64 + "\" }";
918             Assert.Throws<InvalidProtocolBufferException>(() => TestAllTypes.Parser.ParseJson(json));
919         }
920 
921         [Test]
922         [TestCase("\"FOREIGN_BAR\"", TestProtos.ForeignEnum.ForeignBar)]
923         [TestCase("5", TestProtos.ForeignEnum.ForeignBar)]
924         [TestCase("100", (TestProtos.ForeignEnum)100)]
EnumValid(string value, TestProtos.ForeignEnum expectedValue)925         public void EnumValid(string value, TestProtos.ForeignEnum expectedValue)
926         {
927             string json = "{ \"singleForeignEnum\": " + value + " }";
928             var parsed = TestAllTypes.Parser.ParseJson(json);
929             Assert.AreEqual(new TestAllTypes { SingleForeignEnum = expectedValue }, parsed);
930         }
931 
932         [Test]
933         [TestCase("\"NOT_A_VALID_VALUE\"")]
934         [TestCase("5.5")]
Enum_Invalid(string value)935         public void Enum_Invalid(string value)
936         {
937             string json = "{ \"singleForeignEnum\": " + value + " }";
938             Assert.Throws<InvalidProtocolBufferException>(() => TestAllTypes.Parser.ParseJson(json));
939         }
940 
941         [Test]
OneofDuplicate_Invalid()942         public void OneofDuplicate_Invalid()
943         {
944             string json = "{ \"oneofString\": \"x\", \"oneofUint32\": 10 }";
945             Assert.Throws<InvalidProtocolBufferException>(() => TestAllTypes.Parser.ParseJson(json));
946         }
947 
948         [Test]
UnknownField_NotIgnored()949         public void UnknownField_NotIgnored()
950         {
951             string json = "{ \"unknownField\": 10, \"singleString\": \"x\" }";
952             Assert.Throws<InvalidProtocolBufferException>(() => TestAllTypes.Parser.ParseJson(json));
953         }
954 
955         [Test]
Proto2_DefaultValuesPreserved()956         public void Proto2_DefaultValuesPreserved()
957         {
958             string json = "{ \"FieldName13\": 0 }";
959             var parsed = TestAllTypesProto2.Parser.ParseJson(json);
960             Assert.False(parsed.HasFieldName10);
961             Assert.True(parsed.HasFieldName13);
962             Assert.AreEqual(0, parsed.FieldName13);
963         }
964 
965         [Test]
966         [TestCase("5")]
967         [TestCase("\"text\"")]
968         [TestCase("[0, 1, 2]")]
969         [TestCase("{ \"a\": { \"b\": 10 } }")]
UnknownField_Ignored(string value)970         public void UnknownField_Ignored(string value)
971         {
972             var parser = new JsonParser(JsonParser.Settings.Default.WithIgnoreUnknownFields(true));
973             string json = "{ \"unknownField\": " + value + ", \"singleString\": \"x\" }";
974             var actual = parser.Parse<TestAllTypes>(json);
975             var expected = new TestAllTypes { SingleString = "x" };
976             Assert.AreEqual(expected, actual);
977         }
978 
979         [Test]
NullValueOutsideStruct_NullLiteral()980         public void NullValueOutsideStruct_NullLiteral()
981         {
982             string json = "{ \"nullValue\": null }";
983             var message = NullValueOutsideStruct.Parser.ParseJson(json);
984             Assert.AreEqual(NullValueOutsideStruct.ValueOneofCase.NullValue, message.ValueCase);
985         }
986 
987         [Test]
NullValueNotInOneof_NullLiteral()988         public void NullValueNotInOneof_NullLiteral()
989         {
990             // We'd only normally see this with FormatDefaultValues set to true.
991             string json = "{ \"nullValue\": null }";
992             var message = NullValueNotInOneof.Parser.ParseJson(json);
993             Assert.AreEqual(NullValue.NullValue, message.NullValue);
994         }
995 
996         // NullValue used to only be converted to the null literal when part of a struct.
997         // Otherwise, it would end up as a string "NULL_VALUE" (the name of the enum value).
998         // We still parse that form, for compatibility.
999         [Test]
NullValueOutsideStruct_Compatibility()1000         public void NullValueOutsideStruct_Compatibility()
1001         {
1002             string json = "{ \"nullValue\": \"NULL_VALUE\" }";
1003             var message = NullValueOutsideStruct.Parser.ParseJson(json);
1004             Assert.AreEqual(NullValueOutsideStruct.ValueOneofCase.NullValue, message.ValueCase);
1005         }
1006 
1007         [Test]
NullValueNotInOneof_Compatibility()1008         public void NullValueNotInOneof_Compatibility()
1009         {
1010             // We'd only normally see this with FormatDefaultValues set to true.
1011             string json = "{ \"nullValue\": \"NULL_VALUE\" }";
1012             var message = NullValueNotInOneof.Parser.ParseJson(json);
1013             Assert.AreEqual(NullValue.NullValue, message.NullValue);
1014         }
1015 
1016         /// <summary>
1017         /// Various tests use strings which have quotes round them for parsing or as the result
1018         /// of formatting, but without those quotes being specified in the tests (for the sake of readability).
1019         /// This method simply returns the input, wrapped in double quotes.
1020         /// </summary>
WrapInQuotes(string text)1021         internal static string WrapInQuotes(string text)
1022         {
1023             return '"' + text + '"';
1024         }
1025 
1026         [Test]
ParseAllNullValues()1027         public void ParseAllNullValues()
1028         {
1029             string json = @"{
1030   ""optionalInt32"": null,
1031   ""optionalInt64"": null,
1032   ""optionalUint32"": null,
1033   ""optionalUint64"": null,
1034   ""optionalSint32"": null,
1035   ""optionalSint64"": null,
1036   ""optionalFixed32"": null,
1037   ""optionalFixed64"": null,
1038   ""optionalSfixed32"": null,
1039   ""optionalSfixed64"": null,
1040   ""optionalFloat"": null,
1041   ""optionalDouble"": null,
1042   ""optionalBool"": null,
1043   ""optionalString"": null,
1044   ""optionalBytes"": null,
1045   ""optionalNestedEnum"": null,
1046   ""optionalNestedMessage"": null,
1047   ""repeatedInt32"": null,
1048   ""repeatedInt64"": null,
1049   ""repeatedUint32"": null,
1050   ""repeatedUint64"": null,
1051   ""repeatedSint32"": null,
1052   ""repeatedSint64"": null,
1053   ""repeatedFixed32"": null,
1054   ""repeatedFixed64"": null,
1055   ""repeatedSfixed32"": null,
1056   ""repeatedSfixed64"": null,
1057   ""repeatedFloat"": null,
1058   ""repeatedDouble"": null,
1059   ""repeatedBool"": null,
1060   ""repeatedString"": null,
1061   ""repeatedBytes"": null,
1062   ""repeatedNestedEnum"": null,
1063   ""repeatedNestedMessage"": null,
1064   ""mapInt32Int32"": null,
1065   ""mapBoolBool"": null,
1066   ""mapStringNestedMessage"": null
1067 }";
1068 
1069             TestAllTypesProto3 message = new TestAllTypesProto3();
1070 
1071             message.OptionalInt32 = 1;
1072             message.OptionalInt64 = 1;
1073             message.OptionalUint32 = 1;
1074             message.OptionalUint64 = 1;
1075             message.OptionalSint32 = 1;
1076             message.OptionalSint64 = 1;
1077             message.OptionalFixed32 = 1;
1078             message.OptionalFixed64 = 1;
1079             message.OptionalSfixed32 = 1;
1080             message.OptionalSfixed64 = 1;
1081             message.OptionalFloat = 1;
1082             message.OptionalDouble = 1;
1083             message.OptionalBool = true;
1084             message.OptionalString = "1";
1085             message.OptionalBytes = ByteString.CopyFrom(new byte[] { 1 });
1086             message.OptionalNestedEnum = TestAllTypesProto3.Types.NestedEnum.Bar;
1087             message.OptionalNestedMessage = new TestAllTypesProto3.Types.NestedMessage();
1088             message.RepeatedInt32.Add(1);
1089             message.RepeatedInt64.Add(1);
1090             message.RepeatedUint32.Add(1);
1091             message.RepeatedUint64.Add(1);
1092             message.RepeatedSint32.Add(1);
1093             message.RepeatedSint64.Add(1);
1094             message.RepeatedFixed32.Add(1);
1095             message.RepeatedFixed64.Add(1);
1096             message.RepeatedSfixed32.Add(1);
1097             message.RepeatedSfixed64.Add(1);
1098             message.RepeatedFloat.Add(1);
1099             message.RepeatedDouble.Add(1);
1100             message.RepeatedBool.Add(true);
1101             message.RepeatedString.Add("1");
1102             message.RepeatedBytes.Add(ByteString.CopyFrom(new byte[] { 1 }));
1103             message.RepeatedNestedEnum.Add(TestAllTypesProto3.Types.NestedEnum.Bar);
1104             message.RepeatedNestedMessage.Add(new TestAllTypesProto3.Types.NestedMessage());
1105             message.MapInt32Int32.Add(1, 1);
1106             message.MapBoolBool.Add(true, true);
1107             message.MapStringNestedMessage.Add(" ", new TestAllTypesProto3.Types.NestedMessage());
1108 
1109             JsonParser.Default.Merge(message, json);
1110 
1111             Assert.AreEqual(0, message.OptionalInt32);
1112             Assert.AreEqual(0, message.OptionalInt64);
1113             Assert.AreEqual(0, message.OptionalUint32);
1114             Assert.AreEqual(0, message.OptionalUint64);
1115             Assert.AreEqual(0, message.OptionalSint32);
1116             Assert.AreEqual(0, message.OptionalSint64);
1117             Assert.AreEqual(0, message.OptionalFixed32);
1118             Assert.AreEqual(0, message.OptionalFixed64);
1119             Assert.AreEqual(0, message.OptionalSfixed32);
1120             Assert.AreEqual(0, message.OptionalSfixed64);
1121             Assert.AreEqual(0, message.OptionalFloat);
1122             Assert.AreEqual(0, message.OptionalDouble);
1123             Assert.AreEqual(false, message.OptionalBool);
1124             Assert.AreEqual("", message.OptionalString);
1125             Assert.AreEqual(ByteString.Empty, message.OptionalBytes);
1126             Assert.AreEqual(TestAllTypesProto3.Types.NestedEnum.Foo, message.OptionalNestedEnum);
1127             Assert.AreEqual(null, message.OptionalNestedMessage);
1128             Assert.AreEqual(0, message.RepeatedInt32.Count);
1129             Assert.AreEqual(0, message.RepeatedInt64.Count);
1130             Assert.AreEqual(0, message.RepeatedUint32.Count);
1131             Assert.AreEqual(0, message.RepeatedUint64.Count);
1132             Assert.AreEqual(0, message.RepeatedSint32.Count);
1133             Assert.AreEqual(0, message.RepeatedSint64.Count);
1134             Assert.AreEqual(0, message.RepeatedFixed32.Count);
1135             Assert.AreEqual(0, message.RepeatedFixed64.Count);
1136             Assert.AreEqual(0, message.RepeatedSfixed32.Count);
1137             Assert.AreEqual(0, message.RepeatedFloat.Count);
1138             Assert.AreEqual(0, message.RepeatedDouble.Count);
1139             Assert.AreEqual(0, message.RepeatedBool.Count);
1140             Assert.AreEqual(0, message.RepeatedString.Count);
1141             Assert.AreEqual(0, message.RepeatedBytes.Count);
1142             Assert.AreEqual(0, message.RepeatedNestedEnum.Count);
1143             Assert.AreEqual(0, message.RepeatedNestedMessage.Count);
1144             Assert.AreEqual(0, message.MapInt32Int32.Count);
1145             Assert.AreEqual(0, message.MapBoolBool.Count);
1146             Assert.AreEqual(0, message.MapStringNestedMessage.Count);
1147         }
1148     }
1149 }