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1// Protocol Buffers - Google's data interchange format
2// Copyright 2008 Google Inc.  All rights reserved.
3// https://developers.google.com/protocol-buffers/
4//
5// Redistribution and use in source and binary forms, with or without
6// modification, are permitted provided that the following conditions are
7// met:
8//
9//     * Redistributions of source code must retain the above copyright
10// notice, this list of conditions and the following disclaimer.
11//     * Redistributions in binary form must reproduce the above
12// copyright notice, this list of conditions and the following disclaimer
13// in the documentation and/or other materials provided with the
14// distribution.
15//     * Neither the name of Google Inc. nor the names of its
16// contributors may be used to endorse or promote products derived from
17// this software without specific prior written permission.
18//
19// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30
31#import <XCTest/XCTest.h>
32
33#import "GPBUtilities_PackagePrivate.h"
34
35#import <objc/runtime.h>
36
37#import "GPBTestUtilities.h"
38
39#import "GPBDescriptor.h"
40#import "GPBDescriptor_PackagePrivate.h"
41#import "GPBMessage.h"
42#import "GPBUnknownField_PackagePrivate.h"
43
44#import "google/protobuf/MapUnittest.pbobjc.h"
45#import "google/protobuf/Unittest.pbobjc.h"
46#import "google/protobuf/UnittestObjc.pbobjc.h"
47
48@interface UtilitiesTests : GPBTestCase
49@end
50
51@implementation UtilitiesTests
52
53- (void)testRightShiftFunctions {
54  XCTAssertEqual((1UL << 31) >> 31, 1UL);
55  XCTAssertEqual((int32_t)(1U << 31) >> 31, -1);
56  XCTAssertEqual((1ULL << 63) >> 63, 1ULL);
57  XCTAssertEqual((int64_t)(1ULL << 63) >> 63, -1LL);
58
59  XCTAssertEqual(GPBLogicalRightShift32((1U << 31), 31), 1);
60  XCTAssertEqual(GPBLogicalRightShift64((1ULL << 63), 63), 1LL);
61}
62
63- (void)testGPBDecodeTextFormatName {
64  uint8_t decodeData[] = {
65    0x6,
66    // An inlined string (first to make sure the leading null is handled
67    // correctly, and with a key of zero to check that).
68    0x0, 0x0, 'z', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'I', 'J', 0x0,
69    // All as is (00 op)
70    0x1, 0x0A, 0x0,
71    // Underscore, upper + 9 (10 op)
72    0x3, 0xCA, 0x0,
73    //  Upper + 3 (10 op), underscore, upper + 5 (10 op)
74    0x2, 0x44, 0xC6, 0x0,
75    // All Upper for 4 (11 op), underscore, underscore, upper + 5 (10 op),
76    // underscore, lower + 0 (01 op)
77    0x4, 0x64, 0x80, 0xC5, 0xA1, 0x0,
78    // 2 byte key: as is + 3 (00 op), underscore, lower + 4 (01 op),
79    //   underscore, lower + 3 (01 op), underscore, lower + 1 (01 op),
80    //   underscore, lower + 30 (01 op), as is + 30 (00 op), as is + 13 (00 op),
81    //   underscore, as is + 3 (00 op)
82    0xE8, 0x07, 0x04, 0xA5, 0xA4, 0xA2, 0xBF, 0x1F, 0x0E, 0x84, 0x0,
83  };
84  NSString *inputStr = @"abcdefghIJ";
85
86  // Empty inputs
87
88  XCTAssertNil(GPBDecodeTextFormatName(nil, 1, NULL));
89  XCTAssertNil(GPBDecodeTextFormatName(decodeData, 1, NULL));
90  XCTAssertNil(GPBDecodeTextFormatName(nil, 1, inputStr));
91
92  // Keys not found.
93
94  XCTAssertNil(GPBDecodeTextFormatName(decodeData, 5, inputStr));
95  XCTAssertNil(GPBDecodeTextFormatName(decodeData, -1, inputStr));
96
97  // Some name decodes.
98
99  XCTAssertEqualObjects(GPBDecodeTextFormatName(decodeData, 1, inputStr), @"abcdefghIJ");
100  XCTAssertEqualObjects(GPBDecodeTextFormatName(decodeData, 2, inputStr), @"Abcd_EfghIJ");
101  XCTAssertEqualObjects(GPBDecodeTextFormatName(decodeData, 3, inputStr), @"_AbcdefghIJ");
102  XCTAssertEqualObjects(GPBDecodeTextFormatName(decodeData, 4, inputStr), @"ABCD__EfghI_j");
103
104  // An inlined string (and key of zero).
105  XCTAssertEqualObjects(GPBDecodeTextFormatName(decodeData, 0, inputStr), @"zbcdefghIJ");
106
107  // Long name so multiple decode ops are needed.
108  inputStr = @"longFieldNameIsLooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooong1000";
109  XCTAssertEqualObjects(GPBDecodeTextFormatName(decodeData, 1000, inputStr),
110                        @"long_field_name_is_looooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooong_1000");
111}
112
113- (void)testTextFormat {
114  TestAllTypes *message = [TestAllTypes message];
115
116  // Not kGPBDefaultRepeatCount because we are comparing to golden master file
117  // which was generated with 2.
118  [self setAllFields:message repeatedCount:2];
119
120  NSString *result = GPBTextFormatForMessage(message, nil);
121
122  NSString *fileName = @"text_format_unittest_data.txt";
123  NSData *resultData = [result dataUsingEncoding:NSUTF8StringEncoding];
124  NSData *expectedData =
125      [self getDataFileNamed:fileName dataToWrite:resultData];
126  NSString *expected = [[NSString alloc] initWithData:expectedData
127                                             encoding:NSUTF8StringEncoding];
128  XCTAssertEqualObjects(expected, result);
129  [expected release];
130}
131
132- (void)testTextFormatExtra {
133  // -testTextFormat uses all protos with fields that don't require special
134  // handing for figuring out the names.  The ObjC proto has a bunch of oddball
135  // field and enum names that require the decode info to get right, so this
136  // confirms they generated and decoded correctly.
137
138  self_Class *message = [self_Class message];
139  message.cmd = YES;
140  message.isProxy_p = YES;
141  message.subEnum = self_autorelease_RetainCount;
142  message.new_p.copy_p = @"foo";
143
144  NSString *expected = @"_cmd: true\n"
145                       @"isProxy: true\n"
146                       @"SubEnum: retainCount\n"
147                       @"New {\n"
148                       @"  copy: \"foo\"\n"
149                       @"}\n";
150  NSString *result = GPBTextFormatForMessage(message, nil);
151  XCTAssertEqualObjects(expected, result);
152}
153
154- (void)testTextFormatMaps {
155  TestMap *message = [TestMap message];
156
157  // Map iteration order doesn't have to be stable, so use only one entry.
158  [self setAllMapFields:message numEntries:1];
159
160  NSString *result = GPBTextFormatForMessage(message, nil);
161
162  NSString *fileName = @"text_format_map_unittest_data.txt";
163  NSData *resultData = [result dataUsingEncoding:NSUTF8StringEncoding];
164  NSData *expectedData =
165      [self getDataFileNamed:fileName dataToWrite:resultData];
166  NSString *expected = [[NSString alloc] initWithData:expectedData
167                                             encoding:NSUTF8StringEncoding];
168  XCTAssertEqualObjects(expected, result);
169  [expected release];
170}
171
172- (void)testTextFormatExtensions {
173  TestAllExtensions *message = [TestAllExtensions message];
174
175  // Not kGPBDefaultRepeatCount because we are comparing to golden master file
176  // which was generated with 2.
177  [self setAllExtensions:message repeatedCount:2];
178
179  NSString *result = GPBTextFormatForMessage(message, nil);
180
181  // NOTE: ObjC TextFormat doesn't have the proper extension names so it
182  // uses comments for the ObjC name and raw numbers for the fields instead
183  // of the bracketed extension name.
184  NSString *fileName = @"text_format_extensions_unittest_data.txt";
185  NSData *resultData = [result dataUsingEncoding:NSUTF8StringEncoding];
186  NSData *expectedData =
187      [self getDataFileNamed:fileName dataToWrite:resultData];
188  NSString *expected = [[NSString alloc] initWithData:expectedData
189                                             encoding:NSUTF8StringEncoding];
190  XCTAssertEqualObjects(expected, result);
191  [expected release];
192}
193
194- (void)testSetRepeatedFields {
195  TestAllTypes *message = [TestAllTypes message];
196
197  NSDictionary *repeatedFieldValues = @{
198    @"repeatedStringArray" : [@[@"foo", @"bar"] mutableCopy],
199    @"repeatedBoolArray" : [GPBBoolArray arrayWithValue:YES],
200    @"repeatedInt32Array" : [GPBInt32Array arrayWithValue:14],
201    @"repeatedInt64Array" : [GPBInt64Array arrayWithValue:15],
202    @"repeatedUint32Array" : [GPBUInt32Array arrayWithValue:16],
203    @"repeatedUint64Array" : [GPBUInt64Array arrayWithValue:16],
204    @"repeatedFloatArray" : [GPBFloatArray arrayWithValue:16],
205    @"repeatedDoubleArray" : [GPBDoubleArray arrayWithValue:16],
206    @"repeatedNestedEnumArray" :
207        [GPBEnumArray arrayWithValidationFunction:TestAllTypes_NestedEnum_IsValidValue
208                                         rawValue:TestAllTypes_NestedEnum_Foo],
209  };
210  for (NSString *fieldName in repeatedFieldValues) {
211    GPBFieldDescriptor *field =
212        [message.descriptor fieldWithName:fieldName];
213    XCTAssertNotNil(field, @"No field with name: %@", fieldName);
214    id expectedValues = repeatedFieldValues[fieldName];
215    GPBSetMessageRepeatedField(message, field, expectedValues);
216    XCTAssertEqualObjects(expectedValues,
217                          [message valueForKeyPath:fieldName]);
218  }
219}
220
221// Helper to make an unknown field set with something in it.
222static GPBUnknownFieldSet *UnknownFieldsSetHelper(int num) {
223  GPBUnknownFieldSet *result =
224      [[[GPBUnknownFieldSet alloc] init] autorelease];
225
226  GPBUnknownField *field =
227      [[[GPBUnknownField alloc] initWithNumber:num] autorelease];
228  [field addVarint:num];
229  [result addField:field];
230
231  return result;
232}
233
234- (void)testDropMessageUnknownFieldsRecursively {
235  TestAllExtensions *message = [TestAllExtensions message];
236
237  // Give it unknownFields.
238  message.unknownFields = UnknownFieldsSetHelper(777);
239
240  // Given it extensions that include a message with unknown fields of its own.
241  {
242    // Int
243    [message setExtension:[UnittestRoot optionalInt32Extension] value:@5];
244
245    // Group
246    OptionalGroup_extension *optionalGroup = [OptionalGroup_extension message];
247    optionalGroup.a = 123;
248    optionalGroup.unknownFields = UnknownFieldsSetHelper(779);
249    [message setExtension:[UnittestRoot optionalGroupExtension]
250                    value:optionalGroup];
251
252    // Message
253    TestAllTypes_NestedMessage *nestedMessage =
254        [TestAllTypes_NestedMessage message];
255    nestedMessage.bb = 456;
256    nestedMessage.unknownFields = UnknownFieldsSetHelper(778);
257    [message setExtension:[UnittestRoot optionalNestedMessageExtension]
258                    value:nestedMessage];
259
260    // Repeated Group
261    RepeatedGroup_extension *repeatedGroup =
262      [[RepeatedGroup_extension alloc] init];
263    repeatedGroup.a = 567;
264    repeatedGroup.unknownFields = UnknownFieldsSetHelper(780);
265    [message addExtension:[UnittestRoot repeatedGroupExtension]
266                    value:repeatedGroup];
267    [repeatedGroup release];
268
269    // Repeated Message
270    nestedMessage = [[TestAllTypes_NestedMessage alloc] init];
271    nestedMessage.bb = 678;
272    nestedMessage.unknownFields = UnknownFieldsSetHelper(781);
273    [message addExtension:[UnittestRoot repeatedNestedMessageExtension]
274                    value:nestedMessage];
275    [nestedMessage release];
276  }
277
278  // Confirm everything is there.
279
280  XCTAssertNotNil(message);
281  XCTAssertNotNil(message.unknownFields);
282  XCTAssertTrue([message hasExtension:[UnittestRoot optionalInt32Extension]]);
283
284  {
285    XCTAssertTrue([message hasExtension:[UnittestRoot optionalGroupExtension]]);
286    OptionalGroup_extension *optionalGroup =
287        [message getExtension:[UnittestRoot optionalGroupExtension]];
288    XCTAssertNotNil(optionalGroup);
289    XCTAssertEqual(optionalGroup.a, 123);
290    XCTAssertNotNil(optionalGroup.unknownFields);
291  }
292
293  {
294    XCTAssertTrue([message hasExtension:[UnittestRoot optionalNestedMessageExtension]]);
295    TestAllTypes_NestedMessage *nestedMessage =
296        [message getExtension:[UnittestRoot optionalNestedMessageExtension]];
297    XCTAssertNotNil(nestedMessage);
298    XCTAssertEqual(nestedMessage.bb, 456);
299    XCTAssertNotNil(nestedMessage.unknownFields);
300  }
301
302  {
303    XCTAssertTrue([message hasExtension:[UnittestRoot repeatedGroupExtension]]);
304    NSArray *repeatedGroups = [message getExtension:[UnittestRoot repeatedGroupExtension]];
305    XCTAssertEqual(repeatedGroups.count, (NSUInteger)1);
306    RepeatedGroup_extension *repeatedGroup = repeatedGroups.firstObject;
307    XCTAssertNotNil(repeatedGroup);
308    XCTAssertEqual(repeatedGroup.a, 567);
309    XCTAssertNotNil(repeatedGroup.unknownFields);
310  }
311
312  {
313    XCTAssertTrue([message hasExtension:[UnittestRoot repeatedNestedMessageExtension]]);
314    NSArray *repeatedNestedMessages = [message getExtension:[UnittestRoot repeatedNestedMessageExtension]];
315    XCTAssertEqual(repeatedNestedMessages.count, (NSUInteger)1);
316    TestAllTypes_NestedMessage *repeatedNestedMessage = repeatedNestedMessages.firstObject;
317    XCTAssertNotNil(repeatedNestedMessage);
318    XCTAssertEqual(repeatedNestedMessage.bb, 678);
319    XCTAssertNotNil(repeatedNestedMessage.unknownFields);
320  }
321
322  // Drop them.
323  GPBMessageDropUnknownFieldsRecursively(message);
324
325  // Confirm unknowns are gone from within the messages.
326
327  XCTAssertNotNil(message);
328  XCTAssertNil(message.unknownFields);
329  XCTAssertTrue([message hasExtension:[UnittestRoot optionalInt32Extension]]);
330
331  {
332    XCTAssertTrue([message hasExtension:[UnittestRoot optionalGroupExtension]]);
333    OptionalGroup_extension *optionalGroup =
334        [message getExtension:[UnittestRoot optionalGroupExtension]];
335    XCTAssertNotNil(optionalGroup);
336    XCTAssertEqual(optionalGroup.a, 123);
337    XCTAssertNil(optionalGroup.unknownFields);
338  }
339
340  {
341    XCTAssertTrue([message hasExtension:[UnittestRoot optionalNestedMessageExtension]]);
342    TestAllTypes_NestedMessage *nestedMessage =
343        [message getExtension:[UnittestRoot optionalNestedMessageExtension]];
344    XCTAssertNotNil(nestedMessage);
345    XCTAssertEqual(nestedMessage.bb, 456);
346    XCTAssertNil(nestedMessage.unknownFields);
347  }
348
349  {
350    XCTAssertTrue([message hasExtension:[UnittestRoot repeatedGroupExtension]]);
351    NSArray *repeatedGroups = [message getExtension:[UnittestRoot repeatedGroupExtension]];
352    XCTAssertEqual(repeatedGroups.count, (NSUInteger)1);
353    RepeatedGroup_extension *repeatedGroup = repeatedGroups.firstObject;
354    XCTAssertNotNil(repeatedGroup);
355    XCTAssertEqual(repeatedGroup.a, 567);
356    XCTAssertNil(repeatedGroup.unknownFields);
357  }
358
359  {
360    XCTAssertTrue([message hasExtension:[UnittestRoot repeatedNestedMessageExtension]]);
361    NSArray *repeatedNestedMessages = [message getExtension:[UnittestRoot repeatedNestedMessageExtension]];
362    XCTAssertEqual(repeatedNestedMessages.count, (NSUInteger)1);
363    TestAllTypes_NestedMessage *repeatedNestedMessage = repeatedNestedMessages.firstObject;
364    XCTAssertNotNil(repeatedNestedMessage);
365    XCTAssertEqual(repeatedNestedMessage.bb, 678);
366    XCTAssertNil(repeatedNestedMessage.unknownFields);
367  }
368
369}
370
371- (void)testDropMessageUnknownFieldsRecursively_Maps {
372  TestMap *message = [TestMap message];
373
374  {
375    ForeignMessage *foreignMessage = [ForeignMessage message];
376    foreignMessage.unknownFields = UnknownFieldsSetHelper(100);
377    [message.mapInt32ForeignMessage setObject:foreignMessage forKey:100];
378
379    foreignMessage = [ForeignMessage message];
380    foreignMessage.unknownFields = UnknownFieldsSetHelper(101);
381    [message.mapStringForeignMessage setObject:foreignMessage forKey:@"101"];
382  }
383
384  // Confirm everything is there.
385
386  XCTAssertNotNil(message);
387
388  {
389    ForeignMessage *foreignMessage = [message.mapInt32ForeignMessage objectForKey:100];
390    XCTAssertNotNil(foreignMessage);
391    XCTAssertNotNil(foreignMessage.unknownFields);
392  }
393
394  {
395    ForeignMessage *foreignMessage = [message.mapStringForeignMessage objectForKey:@"101"];
396    XCTAssertNotNil(foreignMessage);
397    XCTAssertNotNil(foreignMessage.unknownFields);
398  }
399
400  GPBMessageDropUnknownFieldsRecursively(message);
401
402  // Confirm unknowns are gone from within the messages.
403
404  XCTAssertNotNil(message);
405
406  {
407    ForeignMessage *foreignMessage = [message.mapInt32ForeignMessage objectForKey:100];
408    XCTAssertNotNil(foreignMessage);
409    XCTAssertNil(foreignMessage.unknownFields);
410  }
411
412  {
413    ForeignMessage *foreignMessage = [message.mapStringForeignMessage objectForKey:@"101"];
414    XCTAssertNotNil(foreignMessage);
415    XCTAssertNil(foreignMessage.unknownFields);
416  }
417
418}
419
420@end
421