objectivec/Tests/GPBUnknownFieldSetTest.m - third_party/protobuf - Git at Google

 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
 // https://developers.google.com/protocol-buffers/
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 // notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 // copyright notice, this list of conditions and the following disclaimer
 // in the documentation and/or other materials provided with the
 // distribution.
 //     * Neither the name of Google Inc. nor the names of its
 // contributors may be used to endorse or promote products derived from
 // this software without specific prior written permission.
 //
 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 #import "GPBTestUtilities.h"

 #import "GPBUnknownField_PackagePrivate.h"
 #import "GPBUnknownFieldSet_PackagePrivate.h"
 #import "google/protobuf/Unittest.pbobjc.h"

 @interface GPBUnknownFieldSet (GPBUnknownFieldSetTest)
 - (void)getTags:(int32_t*)tags;
 @end

 @interface UnknownFieldSetTest : GPBTestCase {
  @private
   TestAllTypes* allFields_;
   NSData* allFieldsData_;

   // An empty message that has been parsed from allFieldsData.  So, it has
   // unknown fields of every type.
   TestEmptyMessage* emptyMessage_;
   GPBUnknownFieldSet* unknownFields_;
 }

 @end

 @implementation UnknownFieldSetTest

 - (void)setUp {
   allFields_ = [self allSetRepeatedCount:kGPBDefaultRepeatCount];
   allFieldsData_ = [allFields_ data];
   emptyMessage_ = [TestEmptyMessage parseFromData:allFieldsData_ error:NULL];
   unknownFields_ = emptyMessage_.unknownFields;
 }

 - (GPBUnknownField *)getField:(int32_t)number {
   return [unknownFields_ getField:number];
 }

 // Constructs a protocol buffer which contains fields with all the same
 // numbers as allFieldsData except that each field is some other wire
 // type.
 - (NSData*)getBizarroData {
   GPBUnknownFieldSet* bizarroFields =
       [[[GPBUnknownFieldSet alloc] init] autorelease];
   NSUInteger count = [unknownFields_ countOfFields];
   int32_t tags[count];
   [unknownFields_ getTags:tags];
   for (NSUInteger i = 0; i < count; ++i) {
     int32_t tag = tags[i];
     GPBUnknownField* field = [unknownFields_ getField:tag];
     if (field.varintList.count == 0) {
       // Original field is not a varint, so use a varint.
       GPBUnknownField* varintField =
           [[[GPBUnknownField alloc] initWithNumber:tag] autorelease];
       [varintField addVarint:1];
       [bizarroFields addField:varintField];
     } else {
       // Original field *is* a varint, so use something else.
       GPBUnknownField* fixed32Field =
           [[[GPBUnknownField alloc] initWithNumber:tag] autorelease];
       [fixed32Field addFixed32:1];
       [bizarroFields addField:fixed32Field];
     }
   }

   return [bizarroFields data];
 }

 - (void)testSerialize {
   // Check that serializing the UnknownFieldSet produces the original data
   // again.
   NSData* data = [emptyMessage_ data];
   XCTAssertEqualObjects(allFieldsData_, data);
 }

 - (void)testCopyFrom {
   TestEmptyMessage* message = [TestEmptyMessage message];
   [message mergeFrom:emptyMessage_];

   XCTAssertEqualObjects(emptyMessage_.data, message.data);
 }

 - (void)testMergeFrom {
   GPBUnknownFieldSet* set1 = [[[GPBUnknownFieldSet alloc] init] autorelease];
   GPBUnknownField* field = [[[GPBUnknownField alloc] initWithNumber:2] autorelease];
   [field addVarint:2];
   [set1 addField:field];
   field = [[[GPBUnknownField alloc] initWithNumber:3] autorelease];
   [field addVarint:4];
   [set1 addField:field];

   GPBUnknownFieldSet* set2 = [[[GPBUnknownFieldSet alloc] init] autorelease];
   field = [[[GPBUnknownField alloc] initWithNumber:1] autorelease];
   [field addVarint:1];
   [set2 addField:field];
   field = [[[GPBUnknownField alloc] initWithNumber:3] autorelease];
   [field addVarint:3];
   [set2 addField:field];

   GPBUnknownFieldSet* set3 = [[[GPBUnknownFieldSet alloc] init] autorelease];
   field = [[[GPBUnknownField alloc] initWithNumber:1] autorelease];
   [field addVarint:1];
   [set3 addField:field];
   field = [[[GPBUnknownField alloc] initWithNumber:3] autorelease];
   [field addVarint:4];
   [set3 addField:field];

   GPBUnknownFieldSet* set4 = [[[GPBUnknownFieldSet alloc] init] autorelease];
   field = [[[GPBUnknownField alloc] initWithNumber:2] autorelease];
   [field addVarint:2];
   [set4 addField:field];
   field = [[[GPBUnknownField alloc] initWithNumber:3] autorelease];
   [field addVarint:3];
   [set4 addField:field];

   TestEmptyMessage* source1 = [TestEmptyMessage message];
   [source1 setUnknownFields:set1];
   TestEmptyMessage* source2 = [TestEmptyMessage message];
   [source2 setUnknownFields:set2];
   TestEmptyMessage* source3 = [TestEmptyMessage message];
   [source3 setUnknownFields:set3];
   TestEmptyMessage* source4 = [TestEmptyMessage message];
   [source4 setUnknownFields:set4];

   TestEmptyMessage* destination1 = [TestEmptyMessage message];
   [destination1 mergeFrom:source1];
   [destination1 mergeFrom:source2];

   TestEmptyMessage* destination2 = [TestEmptyMessage message];
   [destination2 mergeFrom:source3];
   [destination2 mergeFrom:source4];

   XCTAssertEqualObjects(destination1.data, destination2.data);
 }

 - (void)testClearMessage {
   TestEmptyMessage *message = [TestEmptyMessage message];
   [message mergeFrom:emptyMessage_];
   [message clear];
   XCTAssertEqual(message.serializedSize, (size_t)0);
 }

 - (void)testParseKnownAndUnknown {
   // Test mixing known and unknown fields when parsing.
   GPBUnknownFieldSet *fields = [[unknownFields_ copy] autorelease];
   GPBUnknownField *field =
     [[[GPBUnknownField alloc] initWithNumber:123456] autorelease];
   [field addVarint:654321];
   [fields addField:field];

   NSData* data = fields.data;
   TestAllTypes* destination = [TestAllTypes parseFromData:data error:NULL];

   [self assertAllFieldsSet:destination repeatedCount:kGPBDefaultRepeatCount];
   XCTAssertEqual(destination.unknownFields.countOfFields, (NSUInteger)1);

   GPBUnknownField* field2 = [destination.unknownFields getField:123456];
   XCTAssertEqual(field2.varintList.count, (NSUInteger)1);
   XCTAssertEqual(654321ULL, [field2.varintList valueAtIndex:0]);
 }

 - (void)testWrongTypeTreatedAsUnknown {
   // Test that fields of the wrong wire type are treated like unknown fields
   // when parsing.

   NSData* bizarroData = [self getBizarroData];
   TestAllTypes* allTypesMessage =
       [TestAllTypes parseFromData:bizarroData error:NULL];
   TestEmptyMessage* emptyMessage =
       [TestEmptyMessage parseFromData:bizarroData error:NULL];

   // All fields should have been interpreted as unknown, so the debug strings
   // should be the same.
   XCTAssertEqualObjects(emptyMessage.data, allTypesMessage.data);
 }

 - (void)testUnknownExtensions {
   // Make sure fields are properly parsed to the UnknownFieldSet even when
   // they are declared as extension numbers.

   TestEmptyMessageWithExtensions* message =
       [TestEmptyMessageWithExtensions parseFromData:allFieldsData_ error:NULL];

   XCTAssertEqual(unknownFields_.countOfFields,
                  message.unknownFields.countOfFields);
   XCTAssertEqualObjects(allFieldsData_, message.data);
 }

 - (void)testWrongExtensionTypeTreatedAsUnknown {
   // Test that fields of the wrong wire type are treated like unknown fields
   // when parsing extensions.

   NSData* bizarroData = [self getBizarroData];
   TestAllExtensions* allExtensionsMessage =
       [TestAllExtensions parseFromData:bizarroData error:NULL];
   TestEmptyMessage* emptyMessage =
       [TestEmptyMessage parseFromData:bizarroData error:NULL];

   // All fields should have been interpreted as unknown, so the debug strings
   // should be the same.
   XCTAssertEqualObjects(emptyMessage.data, allExtensionsMessage.data);
 }

 - (void)testLargeVarint {
   GPBUnknownFieldSet* fields = [[unknownFields_ copy] autorelease];
   GPBUnknownField* field = [[[GPBUnknownField alloc] initWithNumber:1] autorelease];
   [field addVarint:0x7FFFFFFFFFFFFFFFL];
   [fields addField:field];

   NSData* data = [fields data];

   GPBUnknownFieldSet* parsed = [[[GPBUnknownFieldSet alloc] init] autorelease];
   [parsed mergeFromData:data];
   GPBUnknownField* field2 = [parsed getField:1];
   XCTAssertEqual(field2.varintList.count, (NSUInteger)1);
   XCTAssertEqual(0x7FFFFFFFFFFFFFFFULL, [field2.varintList valueAtIndex:0]);
 }

 - (void)testMergingFields {
   GPBUnknownField* field1 = [[[GPBUnknownField alloc] initWithNumber:1] autorelease];
   [field1 addVarint:1];
   [field1 addFixed32:2];
   [field1 addFixed64:3];
   [field1 addLengthDelimited:[NSData dataWithBytes:"hello" length:5]];
   [field1 addGroup:[[unknownFields_ copy] autorelease]];
   GPBUnknownField* field2 = [[[GPBUnknownField alloc] initWithNumber:2] autorelease];
   [field2 mergeFromField:field1];
   XCTAssertEqualObjects(field1, field2);
 }

 @end
	// Protocol Buffers - Google's data interchange format
	// Copyright 2008 Google Inc. All rights reserved.
	// https://developers.google.com/protocol-buffers/
	//
	// Redistribution and use in source and binary forms, with or without
	// modification, are permitted provided that the following conditions are
	// met:
	//
	// * Redistributions of source code must retain the above copyright
	// notice, this list of conditions and the following disclaimer.
	// * Redistributions in binary form must reproduce the above
	// copyright notice, this list of conditions and the following disclaimer
	// in the documentation and/or other materials provided with the
	// distribution.
	// * Neither the name of Google Inc. nor the names of its
	// contributors may be used to endorse or promote products derived from
	// this software without specific prior written permission.
	//
	// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
	// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
	// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
	// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
	// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
	// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
	// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
	// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
	// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

	#import "GPBTestUtilities.h"

	#import "GPBUnknownField_PackagePrivate.h"
	#import "GPBUnknownFieldSet_PackagePrivate.h"
	#import "google/protobuf/Unittest.pbobjc.h"

	@interface GPBUnknownFieldSet (GPBUnknownFieldSetTest)
	- (void)getTags:(int32_t*)tags;
	@end

	@interface UnknownFieldSetTest : GPBTestCase {
	@private
	TestAllTypes* allFields_;
	NSData* allFieldsData_;

	// An empty message that has been parsed from allFieldsData. So, it has
	// unknown fields of every type.
	TestEmptyMessage* emptyMessage_;
	GPBUnknownFieldSet* unknownFields_;
	}

	@end

	@implementation UnknownFieldSetTest

	- (void)setUp {
	allFields_ = [self allSetRepeatedCount:kGPBDefaultRepeatCount];
	allFieldsData_ = [allFields_ data];
	emptyMessage_ = [TestEmptyMessage parseFromData:allFieldsData_ error:NULL];
	unknownFields_ = emptyMessage_.unknownFields;
	}

	- (GPBUnknownField *)getField:(int32_t)number {
	return [unknownFields_ getField:number];
	}

	// Constructs a protocol buffer which contains fields with all the same
	// numbers as allFieldsData except that each field is some other wire
	// type.
	- (NSData*)getBizarroData {
	GPBUnknownFieldSet* bizarroFields =
	[[[GPBUnknownFieldSet alloc] init] autorelease];
	NSUInteger count = [unknownFields_ countOfFields];
	int32_t tags[count];
	[unknownFields_ getTags:tags];
	for (NSUInteger i = 0; i < count; ++i) {
	int32_t tag = tags[i];
	GPBUnknownField* field = [unknownFields_ getField:tag];
	if (field.varintList.count == 0) {
	// Original field is not a varint, so use a varint.
	GPBUnknownField* varintField =
	[[[GPBUnknownField alloc] initWithNumber:tag] autorelease];
	[varintField addVarint:1];
	[bizarroFields addField:varintField];
	} else {
	// Original field is a varint, so use something else.
	GPBUnknownField* fixed32Field =
	[[[GPBUnknownField alloc] initWithNumber:tag] autorelease];
	[fixed32Field addFixed32:1];
	[bizarroFields addField:fixed32Field];
	}
	}

	return [bizarroFields data];
	}

	- (void)testSerialize {
	// Check that serializing the UnknownFieldSet produces the original data
	// again.
	NSData* data = [emptyMessage_ data];
	XCTAssertEqualObjects(allFieldsData_, data);
	}

	- (void)testCopyFrom {
	TestEmptyMessage* message = [TestEmptyMessage message];
	[message mergeFrom:emptyMessage_];

	XCTAssertEqualObjects(emptyMessage_.data, message.data);
	}

	- (void)testMergeFrom {
	GPBUnknownFieldSet* set1 = [[[GPBUnknownFieldSet alloc] init] autorelease];
	GPBUnknownField* field = [[[GPBUnknownField alloc] initWithNumber:2] autorelease];
	[field addVarint:2];
	[set1 addField:field];
	field = [[[GPBUnknownField alloc] initWithNumber:3] autorelease];
	[field addVarint:4];
	[set1 addField:field];

	GPBUnknownFieldSet* set2 = [[[GPBUnknownFieldSet alloc] init] autorelease];
	field = [[[GPBUnknownField alloc] initWithNumber:1] autorelease];
	[field addVarint:1];
	[set2 addField:field];
	field = [[[GPBUnknownField alloc] initWithNumber:3] autorelease];
	[field addVarint:3];
	[set2 addField:field];

	GPBUnknownFieldSet* set3 = [[[GPBUnknownFieldSet alloc] init] autorelease];
	field = [[[GPBUnknownField alloc] initWithNumber:1] autorelease];
	[field addVarint:1];
	[set3 addField:field];
	field = [[[GPBUnknownField alloc] initWithNumber:3] autorelease];
	[field addVarint:4];
	[set3 addField:field];

	GPBUnknownFieldSet* set4 = [[[GPBUnknownFieldSet alloc] init] autorelease];
	field = [[[GPBUnknownField alloc] initWithNumber:2] autorelease];
	[field addVarint:2];
	[set4 addField:field];
	field = [[[GPBUnknownField alloc] initWithNumber:3] autorelease];
	[field addVarint:3];
	[set4 addField:field];

	TestEmptyMessage* source1 = [TestEmptyMessage message];
	[source1 setUnknownFields:set1];
	TestEmptyMessage* source2 = [TestEmptyMessage message];
	[source2 setUnknownFields:set2];
	TestEmptyMessage* source3 = [TestEmptyMessage message];
	[source3 setUnknownFields:set3];
	TestEmptyMessage* source4 = [TestEmptyMessage message];
	[source4 setUnknownFields:set4];

	TestEmptyMessage* destination1 = [TestEmptyMessage message];
	[destination1 mergeFrom:source1];
	[destination1 mergeFrom:source2];

	TestEmptyMessage* destination2 = [TestEmptyMessage message];
	[destination2 mergeFrom:source3];
	[destination2 mergeFrom:source4];

	XCTAssertEqualObjects(destination1.data, destination2.data);
	}

	- (void)testClearMessage {
	TestEmptyMessage *message = [TestEmptyMessage message];
	[message mergeFrom:emptyMessage_];
	[message clear];
	XCTAssertEqual(message.serializedSize, (size_t)0);
	}

	- (void)testParseKnownAndUnknown {
	// Test mixing known and unknown fields when parsing.
	GPBUnknownFieldSet *fields = [[unknownFields_ copy] autorelease];
	GPBUnknownField *field =
	[[[GPBUnknownField alloc] initWithNumber:123456] autorelease];
	[field addVarint:654321];
	[fields addField:field];

	NSData* data = fields.data;
	TestAllTypes* destination = [TestAllTypes parseFromData:data error:NULL];

	[self assertAllFieldsSet:destination repeatedCount:kGPBDefaultRepeatCount];
	XCTAssertEqual(destination.unknownFields.countOfFields, (NSUInteger)1);

	GPBUnknownField* field2 = [destination.unknownFields getField:123456];
	XCTAssertEqual(field2.varintList.count, (NSUInteger)1);
	XCTAssertEqual(654321ULL, [field2.varintList valueAtIndex:0]);
	}

	- (void)testWrongTypeTreatedAsUnknown {
	// Test that fields of the wrong wire type are treated like unknown fields
	// when parsing.

	NSData* bizarroData = [self getBizarroData];
	TestAllTypes* allTypesMessage =
	[TestAllTypes parseFromData:bizarroData error:NULL];
	TestEmptyMessage* emptyMessage =
	[TestEmptyMessage parseFromData:bizarroData error:NULL];

	// All fields should have been interpreted as unknown, so the debug strings
	// should be the same.
	XCTAssertEqualObjects(emptyMessage.data, allTypesMessage.data);
	}

	- (void)testUnknownExtensions {
	// Make sure fields are properly parsed to the UnknownFieldSet even when
	// they are declared as extension numbers.

	TestEmptyMessageWithExtensions* message =
	[TestEmptyMessageWithExtensions parseFromData:allFieldsData_ error:NULL];

	XCTAssertEqual(unknownFields_.countOfFields,
	message.unknownFields.countOfFields);
	XCTAssertEqualObjects(allFieldsData_, message.data);
	}

	- (void)testWrongExtensionTypeTreatedAsUnknown {
	// Test that fields of the wrong wire type are treated like unknown fields
	// when parsing extensions.

	NSData* bizarroData = [self getBizarroData];
	TestAllExtensions* allExtensionsMessage =
	[TestAllExtensions parseFromData:bizarroData error:NULL];
	TestEmptyMessage* emptyMessage =
	[TestEmptyMessage parseFromData:bizarroData error:NULL];

	// All fields should have been interpreted as unknown, so the debug strings
	// should be the same.
	XCTAssertEqualObjects(emptyMessage.data, allExtensionsMessage.data);
	}

	- (void)testLargeVarint {
	GPBUnknownFieldSet* fields = [[unknownFields_ copy] autorelease];
	GPBUnknownField* field = [[[GPBUnknownField alloc] initWithNumber:1] autorelease];
	[field addVarint:0x7FFFFFFFFFFFFFFFL];
	[fields addField:field];

	NSData* data = [fields data];

	GPBUnknownFieldSet* parsed = [[[GPBUnknownFieldSet alloc] init] autorelease];
	[parsed mergeFromData:data];
	GPBUnknownField* field2 = [parsed getField:1];
	XCTAssertEqual(field2.varintList.count, (NSUInteger)1);
	XCTAssertEqual(0x7FFFFFFFFFFFFFFFULL, [field2.varintList valueAtIndex:0]);
	}

	- (void)testMergingFields {
	GPBUnknownField* field1 = [[[GPBUnknownField alloc] initWithNumber:1] autorelease];
	[field1 addVarint:1];
	[field1 addFixed32:2];
	[field1 addFixed64:3];
	[field1 addLengthDelimited:[NSData dataWithBytes:"hello" length:5]];
	[field1 addGroup:[[unknownFields_ copy] autorelease]];
	GPBUnknownField* field2 = [[[GPBUnknownField alloc] initWithNumber:2] autorelease];
	[field2 mergeFromField:field1];
	XCTAssertEqualObjects(field1, field2);
	}

	@end