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source: branches/ParameterBinding/HeuristicLab.ExtLibs/HeuristicLab.ProtobufCS/0.9.1/ProtobufCS/src/ProtocolBuffers.Test/TextFormatTest.cs @ 4745

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Last change on this file since 4745 was 4068, checked in by swagner, 14 years ago
Sorted usings and removed unused usings in entire solution (#1094)
File size: 22.3 KB

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1	#region Copyright notice and license
2	// Protocol Buffers - Google's data interchange format
3	// Copyright 2008 Google Inc. All rights reserved.
4	// http://github.com/jskeet/dotnet-protobufs/
5	// Original C++/Java/Python code:
6	// http://code.google.com/p/protobuf/
7	//
8	// Redistribution and use in source and binary forms, with or without
9	// modification, are permitted provided that the following conditions are
10	// met:
11	//
12	// * Redistributions of source code must retain the above copyright
13	// notice, this list of conditions and the following disclaimer.
14	// * Redistributions in binary form must reproduce the above
15	// copyright notice, this list of conditions and the following disclaimer
16	// in the documentation and/or other materials provided with the
17	// distribution.
18	// * Neither the name of Google Inc. nor the names of its
19	// contributors may be used to endorse or promote products derived from
20	// this software without specific prior written permission.
21	//
22	// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23	// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
24	// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
25	// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
26	// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
27	// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
28	// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29	// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30	// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31	// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
32	// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33	#endregion
34
35	using System;
36	using System.IO;
37	using System.Text;
38	using Google.ProtocolBuffers.TestProtos;
39	using NUnit.Framework;
40
41	namespace Google.ProtocolBuffers {
42	[TestFixture]
43	public class TextFormatTest {
44
45	private static readonly string AllFieldsSetText = TestUtil.ReadTextFromFile("text_format_unittest_data.txt");
46	private static readonly string AllExtensionsSetText = TestUtil.ReadTextFromFile("text_format_unittest_extensions_data.txt");
47
48	/// <summary>
49	/// Note that this is slightly different to the Java - 123.0 becomes 123, and 1.23E17 becomes 1.23E+17.
50	/// Both of these differences can be parsed by the Java and the C++, and we can parse their output too.
51	/// </summary>
52	private const string ExoticText =
53	"repeated_int32: -1\n" +
54	"repeated_int32: -2147483648\n" +
55	"repeated_int64: -1\n" +
56	"repeated_int64: -9223372036854775808\n" +
57	"repeated_uint32: 4294967295\n" +
58	"repeated_uint32: 2147483648\n" +
59	"repeated_uint64: 18446744073709551615\n" +
60	"repeated_uint64: 9223372036854775808\n" +
61	"repeated_double: 123\n" +
62	"repeated_double: 123.5\n" +
63	"repeated_double: 0.125\n" +
64	"repeated_double: 1.23E+17\n" +
65	"repeated_double: 1.235E+22\n" +
66	"repeated_double: 1.235E-18\n" +
67	"repeated_double: 123.456789\n" +
68	"repeated_double: Infinity\n" +
69	"repeated_double: -Infinity\n" +
70	"repeated_double: NaN\n" +
71	"repeated_string: \"\\000\\001\\a\\b\\f\\n\\r\\t\\v\\\\\\'\\\"" +
72	"\\341\\210\\264\"\n" +
73	"repeated_bytes: \"\\000\\001\\a\\b\\f\\n\\r\\t\\v\\\\\\'\\\"\\376\"\n";
74
75	private const string MessageSetText =
76	"[protobuf_unittest.TestMessageSetExtension1] {\n" +
77	" i: 123\n" +
78	"}\n" +
79	"[protobuf_unittest.TestMessageSetExtension2] {\n" +
80	" str: \"foo\"\n" +
81	"}\n";
82
83	/// <summary>
84	/// Print TestAllTypes and compare with golden file.
85	/// </summary>
86	[Test]
87	public void PrintMessage() {
88	TestUtil.TestInMultipleCultures(() => {
89	string text = TextFormat.PrintToString(TestUtil.GetAllSet());
90	Assert.AreEqual(AllFieldsSetText.Replace("\r\n", "\n"), text.Replace("\r\n", "\n"));
91	});
92	}
93
94	/// <summary>
95	/// Print TestAllExtensions and compare with golden file.
96	/// </summary>
97	[Test]
98	public void PrintExtensions() {
99	string text = TextFormat.PrintToString(TestUtil.GetAllExtensionsSet());
100
101	Assert.AreEqual(AllExtensionsSetText.Replace("\r\n", "\n"), text.Replace("\r\n", "\n"));
102	}
103
104	/// <summary>
105	/// Test printing of unknown fields in a message.
106	/// </summary>
107	[Test]
108	public void PrintUnknownFields() {
109	TestEmptyMessage message =
110	TestEmptyMessage.CreateBuilder()
111	.SetUnknownFields(
112	UnknownFieldSet.CreateBuilder()
113	.AddField(5,
114	UnknownField.CreateBuilder()
115	.AddVarint(1)
116	.AddFixed32(2)
117	.AddFixed64(3)
118	.AddLengthDelimited(ByteString.CopyFromUtf8("4"))
119	.AddGroup(
120	UnknownFieldSet.CreateBuilder()
121	.AddField(10,
122	UnknownField.CreateBuilder()
123	.AddVarint(5)
124	.Build())
125	.Build())
126	.Build())
127	.AddField(8,
128	UnknownField.CreateBuilder()
129	.AddVarint(1)
130	.AddVarint(2)
131	.AddVarint(3)
132	.Build())
133	.AddField(15,
134	UnknownField.CreateBuilder()
135	.AddVarint(0xABCDEF1234567890L)
136	.AddFixed32(0xABCD1234)
137	.AddFixed64(0xABCDEF1234567890L)
138	.Build())
139	.Build())
140	.Build();
141
142	Assert.AreEqual(
143	"5: 1\n" +
144	"5: 0x00000002\n" +
145	"5: 0x0000000000000003\n" +
146	"5: \"4\"\n" +
147	"5 {\n" +
148	" 10: 5\n" +
149	"}\n" +
150	"8: 1\n" +
151	"8: 2\n" +
152	"8: 3\n" +
153	"15: 12379813812177893520\n" +
154	"15: 0xabcd1234\n" +
155	"15: 0xabcdef1234567890\n",
156	TextFormat.PrintToString(message));
157	}
158
159	/// <summary>
160	/// Helper to construct a ByteString from a string containing only 8-bit
161	/// characters. The characters are converted directly to bytes, not
162	/// encoded using UTF-8.
163	/// </summary>
164	private static ByteString Bytes(string str) {
165	return ByteString.CopyFrom(Encoding.GetEncoding(28591).GetBytes(str));
166	}
167
168	[Test]
169	public void PrintExotic() {
170	IMessage message = TestAllTypes.CreateBuilder()
171	// Signed vs. unsigned numbers.
172	.AddRepeatedInt32(-1)
173	.AddRepeatedUint32(uint.MaxValue)
174	.AddRepeatedInt64(-1)
175	.AddRepeatedUint64(ulong.MaxValue)
176
177	.AddRepeatedInt32(1 << 31)
178	.AddRepeatedUint32(1U << 31)
179	.AddRepeatedInt64(1L << 63)
180	.AddRepeatedUint64(1UL << 63)
181
182	// Floats of various precisions and exponents.
183	.AddRepeatedDouble(123)
184	.AddRepeatedDouble(123.5)
185	.AddRepeatedDouble(0.125)
186	.AddRepeatedDouble(123e15)
187	.AddRepeatedDouble(123.5e20)
188	.AddRepeatedDouble(123.5e-20)
189	.AddRepeatedDouble(123.456789)
190	.AddRepeatedDouble(Double.PositiveInfinity)
191	.AddRepeatedDouble(Double.NegativeInfinity)
192	.AddRepeatedDouble(Double.NaN)
193
194	// Strings and bytes that needing escaping.
195	.AddRepeatedString("\0\u0001\u0007\b\f\n\r\t\v\\\'\"\u1234")
196	.AddRepeatedBytes(Bytes("\0\u0001\u0007\b\f\n\r\t\v\\\'\"\u00fe"))
197	.Build();
198
199	Assert.AreEqual(ExoticText, message.ToString());
200	}
201
202	[Test]
203	public void PrintMessageSet() {
204	TestMessageSet messageSet =
205	TestMessageSet.CreateBuilder()
206	.SetExtension(
207	TestMessageSetExtension1.MessageSetExtension,
208	TestMessageSetExtension1.CreateBuilder().SetI(123).Build())
209	.SetExtension(
210	TestMessageSetExtension2.MessageSetExtension,
211	TestMessageSetExtension2.CreateBuilder().SetStr("foo").Build())
212	.Build();
213
214	Assert.AreEqual(MessageSetText, messageSet.ToString());
215	}
216
217	// =================================================================
218
219	[Test]
220	public void Parse() {
221	TestUtil.TestInMultipleCultures(() => {
222	TestAllTypes.Builder builder = TestAllTypes.CreateBuilder();
223	TextFormat.Merge(AllFieldsSetText, builder);
224	TestUtil.AssertAllFieldsSet(builder.Build());
225	});
226	}
227
228	[Test]
229	public void ParseReader() {
230	TestAllTypes.Builder builder = TestAllTypes.CreateBuilder();
231	TextFormat.Merge(new StringReader(AllFieldsSetText), builder);
232	TestUtil.AssertAllFieldsSet(builder.Build());
233	}
234
235	[Test]
236	public void ParseExtensions() {
237	TestAllExtensions.Builder builder = TestAllExtensions.CreateBuilder();
238	TextFormat.Merge(AllExtensionsSetText,
239	TestUtil.CreateExtensionRegistry(),
240	builder);
241	TestUtil.AssertAllExtensionsSet(builder.Build());
242	}
243
244	[Test]
245	public void ParseCompatibility() {
246	string original = "repeated_float: inf\n" +
247	"repeated_float: -inf\n" +
248	"repeated_float: nan\n" +
249	"repeated_float: inff\n" +
250	"repeated_float: -inff\n" +
251	"repeated_float: nanf\n" +
252	"repeated_float: 1.0f\n" +
253	"repeated_float: infinityf\n" +
254	"repeated_float: -Infinityf\n" +
255	"repeated_double: infinity\n" +
256	"repeated_double: -infinity\n" +
257	"repeated_double: nan\n";
258	string canonical = "repeated_float: Infinity\n" +
259	"repeated_float: -Infinity\n" +
260	"repeated_float: NaN\n" +
261	"repeated_float: Infinity\n" +
262	"repeated_float: -Infinity\n" +
263	"repeated_float: NaN\n" +
264	"repeated_float: 1\n" + // Java has 1.0; this is fine
265	"repeated_float: Infinity\n" +
266	"repeated_float: -Infinity\n" +
267	"repeated_double: Infinity\n" +
268	"repeated_double: -Infinity\n" +
269	"repeated_double: NaN\n";
270	TestAllTypes.Builder builder = TestAllTypes.CreateBuilder();
271	TextFormat.Merge(original, builder);
272	Assert.AreEqual(canonical, builder.Build().ToString());
273	}
274
275	[Test]
276	public void ParseExotic() {
277	TestAllTypes.Builder builder = TestAllTypes.CreateBuilder();
278	TextFormat.Merge(ExoticText, builder);
279
280	// Too lazy to check things individually. Don't try to debug this
281	// if testPrintExotic() is Assert.Failing.
282	Assert.AreEqual(ExoticText, builder.Build().ToString());
283	}
284
285	[Test]
286	public void ParseMessageSet() {
287	ExtensionRegistry extensionRegistry = ExtensionRegistry.CreateInstance();
288	extensionRegistry.Add(TestMessageSetExtension1.MessageSetExtension);
289	extensionRegistry.Add(TestMessageSetExtension2.MessageSetExtension);
290
291	TestMessageSet.Builder builder = TestMessageSet.CreateBuilder();
292	TextFormat.Merge(MessageSetText, extensionRegistry, builder);
293	TestMessageSet messageSet = builder.Build();
294
295	Assert.IsTrue(messageSet.HasExtension(TestMessageSetExtension1.MessageSetExtension));
296	Assert.AreEqual(123, messageSet.GetExtension(TestMessageSetExtension1.MessageSetExtension).I);
297	Assert.IsTrue(messageSet.HasExtension(TestMessageSetExtension2.MessageSetExtension));
298	Assert.AreEqual("foo", messageSet.GetExtension(TestMessageSetExtension2.MessageSetExtension).Str);
299	}
300
301	[Test]
302	public void ParseNumericEnum() {
303	TestAllTypes.Builder builder = TestAllTypes.CreateBuilder();
304	TextFormat.Merge("optional_nested_enum: 2", builder);
305	Assert.AreEqual(TestAllTypes.Types.NestedEnum.BAR, builder.OptionalNestedEnum);
306	}
307
308	[Test]
309	public void ParseAngleBrackets() {
310	TestAllTypes.Builder builder = TestAllTypes.CreateBuilder();
311	TextFormat.Merge("OptionalGroup: < a: 1 >", builder);
312	Assert.IsTrue(builder.HasOptionalGroup);
313	Assert.AreEqual(1, builder.OptionalGroup.A);
314	}
315
316	[Test]
317	public void ParseComment() {
318	TestAllTypes.Builder builder = TestAllTypes.CreateBuilder();
319	TextFormat.Merge(
320	"# this is a comment\n" +
321	"optional_int32: 1 # another comment\n" +
322	"optional_int64: 2\n" +
323	"# EOF comment", builder);
324	Assert.AreEqual(1, builder.OptionalInt32);
325	Assert.AreEqual(2, builder.OptionalInt64);
326	}
327
328
329	private static void AssertParseError(string error, string text) {
330	TestAllTypes.Builder builder = TestAllTypes.CreateBuilder();
331	try {
332	TextFormat.Merge(text, TestUtil.CreateExtensionRegistry(), builder);
333	Assert.Fail("Expected parse exception.");
334	}
335	catch (FormatException e) {
336	Assert.AreEqual(error, e.Message);
337	}
338	}
339
340	[Test]
341	public void ParseErrors() {
342	AssertParseError(
343	"1:16: Expected \":\".",
344	"optional_int32 123");
345	AssertParseError(
346	"1:23: Expected identifier.",
347	"optional_nested_enum: ?");
348	AssertParseError(
349	"1:18: Couldn't parse integer: Number must be positive: -1",
350	"optional_uint32: -1");
351	AssertParseError(
352	"1:17: Couldn't parse integer: Number out of range for 32-bit signed " +
353	"integer: 82301481290849012385230157",
354	"optional_int32: 82301481290849012385230157");
355	AssertParseError(
356	"1:16: Expected \"true\" or \"false\".",
357	"optional_bool: maybe");
358	AssertParseError(
359	"1:18: Expected string.",
360	"optional_string: 123");
361	AssertParseError(
362	"1:18: String missing ending quote.",
363	"optional_string: \"ueoauaoe");
364	AssertParseError(
365	"1:18: String missing ending quote.",
366	"optional_string: \"ueoauaoe\n" +
367	"optional_int32: 123");
368	AssertParseError(
369	"1:18: Invalid escape sequence: '\\z'",
370	"optional_string: \"\\z\"");
371	AssertParseError(
372	"1:18: String missing ending quote.",
373	"optional_string: \"ueoauaoe\n" +
374	"optional_int32: 123");
375	AssertParseError(
376	"1:2: Extension \"nosuchext\" not found in the ExtensionRegistry.",
377	"[nosuchext]: 123");
378	AssertParseError(
379	"1:20: Extension \"protobuf_unittest.optional_int32_extension\" does " +
380	"not extend message type \"protobuf_unittest.TestAllTypes\".",
381	"[protobuf_unittest.optional_int32_extension]: 123");
382	AssertParseError(
383	"1:1: Message type \"protobuf_unittest.TestAllTypes\" has no field " +
384	"named \"nosuchfield\".",
385	"nosuchfield: 123");
386	AssertParseError(
387	"1:21: Expected \">\".",
388	"OptionalGroup < a: 1");
389	AssertParseError(
390	"1:23: Enum type \"protobuf_unittest.TestAllTypes.NestedEnum\" has no " +
391	"value named \"NO_SUCH_VALUE\".",
392	"optional_nested_enum: NO_SUCH_VALUE");
393	AssertParseError(
394	"1:23: Enum type \"protobuf_unittest.TestAllTypes.NestedEnum\" has no " +
395	"value with number 123.",
396	"optional_nested_enum: 123");
397
398	// Delimiters must match.
399	AssertParseError(
400	"1:22: Expected identifier.",
401	"OptionalGroup < a: 1 }");
402	AssertParseError(
403	"1:22: Expected identifier.",
404	"OptionalGroup { a: 1 >");
405	}
406
407	// =================================================================
408
409	private static ByteString Bytes(params byte[] bytes) {
410	return ByteString.CopyFrom(bytes);
411	}
412
413	private delegate void FormattingAction();
414
415	private static void AssertFormatException(FormattingAction action) {
416	try {
417	action();
418	Assert.Fail("Should have thrown an exception.");
419	}
420	catch (FormatException) {
421	// success
422	}
423	}
424
425	[Test]
426	public void Escape() {
427	// Escape sequences.
428	Assert.AreEqual("\\000\\001\\a\\b\\f\\n\\r\\t\\v\\\\\\'\\\"",
429	TextFormat.EscapeBytes(Bytes("\0\u0001\u0007\b\f\n\r\t\v\\\'\"")));
430	Assert.AreEqual("\\000\\001\\a\\b\\f\\n\\r\\t\\v\\\\\\'\\\"",
431	TextFormat.EscapeText("\0\u0001\u0007\b\f\n\r\t\v\\\'\""));
432	Assert.AreEqual(Bytes("\0\u0001\u0007\b\f\n\r\t\v\\\'\""),
433	TextFormat.UnescapeBytes("\\000\\001\\a\\b\\f\\n\\r\\t\\v\\\\\\'\\\""));
434	Assert.AreEqual("\0\u0001\u0007\b\f\n\r\t\v\\\'\"",
435	TextFormat.UnescapeText("\\000\\001\\a\\b\\f\\n\\r\\t\\v\\\\\\'\\\""));
436
437	// Unicode handling.
438	Assert.AreEqual("\\341\\210\\264", TextFormat.EscapeText("\u1234"));
439	Assert.AreEqual("\\341\\210\\264", TextFormat.EscapeBytes(Bytes(0xe1, 0x88, 0xb4)));
440	Assert.AreEqual("\u1234", TextFormat.UnescapeText("\\341\\210\\264"));
441	Assert.AreEqual(Bytes(0xe1, 0x88, 0xb4), TextFormat.UnescapeBytes("\\341\\210\\264"));
442	Assert.AreEqual("\u1234", TextFormat.UnescapeText("\\xe1\\x88\\xb4"));
443	Assert.AreEqual(Bytes(0xe1, 0x88, 0xb4), TextFormat.UnescapeBytes("\\xe1\\x88\\xb4"));
444
445	// Errors.
446	AssertFormatException(() => TextFormat.UnescapeText("\\x"));
447	AssertFormatException(() => TextFormat.UnescapeText("\\z"));
448	AssertFormatException(() => TextFormat.UnescapeText("\\"));
449	}
450
451	[Test]
452	public void ParseInteger() {
453	Assert.AreEqual(0, TextFormat.ParseInt32("0"));
454	Assert.AreEqual(1, TextFormat.ParseInt32("1"));
455	Assert.AreEqual(-1, TextFormat.ParseInt32("-1"));
456	Assert.AreEqual(12345, TextFormat.ParseInt32("12345"));
457	Assert.AreEqual(-12345, TextFormat.ParseInt32("-12345"));
458	Assert.AreEqual(2147483647, TextFormat.ParseInt32("2147483647"));
459	Assert.AreEqual(-2147483648, TextFormat.ParseInt32("-2147483648"));
460
461	Assert.AreEqual(0, TextFormat.ParseUInt32("0"));
462	Assert.AreEqual(1, TextFormat.ParseUInt32("1"));
463	Assert.AreEqual(12345, TextFormat.ParseUInt32("12345"));
464	Assert.AreEqual(2147483647, TextFormat.ParseUInt32("2147483647"));
465	Assert.AreEqual(2147483648U, TextFormat.ParseUInt32("2147483648"));
466	Assert.AreEqual(4294967295U, TextFormat.ParseUInt32("4294967295"));
467
468	Assert.AreEqual(0L, TextFormat.ParseInt64("0"));
469	Assert.AreEqual(1L, TextFormat.ParseInt64("1"));
470	Assert.AreEqual(-1L, TextFormat.ParseInt64("-1"));
471	Assert.AreEqual(12345L, TextFormat.ParseInt64("12345"));
472	Assert.AreEqual(-12345L, TextFormat.ParseInt64("-12345"));
473	Assert.AreEqual(2147483647L, TextFormat.ParseInt64("2147483647"));
474	Assert.AreEqual(-2147483648L, TextFormat.ParseInt64("-2147483648"));
475	Assert.AreEqual(4294967295L, TextFormat.ParseInt64("4294967295"));
476	Assert.AreEqual(4294967296L, TextFormat.ParseInt64("4294967296"));
477	Assert.AreEqual(9223372036854775807L, TextFormat.ParseInt64("9223372036854775807"));
478	Assert.AreEqual(-9223372036854775808L, TextFormat.ParseInt64("-9223372036854775808"));
479
480	Assert.AreEqual(0L, TextFormat.ParseUInt64("0"));
481	Assert.AreEqual(1L, TextFormat.ParseUInt64("1"));
482	Assert.AreEqual(12345L, TextFormat.ParseUInt64("12345"));
483	Assert.AreEqual(2147483647L, TextFormat.ParseUInt64("2147483647"));
484	Assert.AreEqual(4294967295L, TextFormat.ParseUInt64("4294967295"));
485	Assert.AreEqual(4294967296L, TextFormat.ParseUInt64("4294967296"));
486	Assert.AreEqual(9223372036854775807UL, TextFormat.ParseUInt64("9223372036854775807"));
487	Assert.AreEqual(9223372036854775808UL, TextFormat.ParseUInt64("9223372036854775808"));
488	Assert.AreEqual(18446744073709551615UL, TextFormat.ParseUInt64("18446744073709551615"));
489
490	// Hex
491	Assert.AreEqual(0x1234abcd, TextFormat.ParseInt32("0x1234abcd"));
492	Assert.AreEqual(-0x1234abcd, TextFormat.ParseInt32("-0x1234abcd"));
493	Assert.AreEqual(0xffffffffffffffffUL, TextFormat.ParseUInt64("0xffffffffffffffff"));
494	Assert.AreEqual(0x7fffffffffffffffL,
495	TextFormat.ParseInt64("0x7fffffffffffffff"));
496
497	// Octal
498	Assert.AreEqual(342391, TextFormat.ParseInt32("01234567"));
499
500	// Out-of-range
501	AssertFormatException(() => TextFormat.ParseInt32("2147483648"));
502	AssertFormatException(() => TextFormat.ParseInt32("-2147483649"));
503	AssertFormatException(() => TextFormat.ParseUInt32("4294967296"));
504	AssertFormatException(() => TextFormat.ParseUInt32("-1"));
505	AssertFormatException(() => TextFormat.ParseInt64("9223372036854775808"));
506	AssertFormatException(() => TextFormat.ParseInt64("-9223372036854775809"));
507	AssertFormatException(() => TextFormat.ParseUInt64("18446744073709551616"));
508	AssertFormatException(() => TextFormat.ParseUInt64("-1"));
509	AssertFormatException(() => TextFormat.ParseInt32("abcd"));
510	}
511
512	[Test]
513	public void ParseLongString() {
514	string longText =
515	"123456789012345678901234567890123456789012345678901234567890" +
516	"123456789012345678901234567890123456789012345678901234567890" +
517	"123456789012345678901234567890123456789012345678901234567890" +
518	"123456789012345678901234567890123456789012345678901234567890" +
519	"123456789012345678901234567890123456789012345678901234567890" +
520	"123456789012345678901234567890123456789012345678901234567890" +
521	"123456789012345678901234567890123456789012345678901234567890" +
522	"123456789012345678901234567890123456789012345678901234567890" +
523	"123456789012345678901234567890123456789012345678901234567890" +
524	"123456789012345678901234567890123456789012345678901234567890" +
525	"123456789012345678901234567890123456789012345678901234567890" +
526	"123456789012345678901234567890123456789012345678901234567890" +
527	"123456789012345678901234567890123456789012345678901234567890" +
528	"123456789012345678901234567890123456789012345678901234567890" +
529	"123456789012345678901234567890123456789012345678901234567890" +
530	"123456789012345678901234567890123456789012345678901234567890";
531	TestAllTypes.Builder builder = TestAllTypes.CreateBuilder();
532	TextFormat.Merge("optional_string: \"" + longText + "\"", builder);
533	Assert.AreEqual(longText, builder.OptionalString);
534	}
535	}
536	}

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