260 lines
9.5 KiB
Mathematica
260 lines
9.5 KiB
Mathematica
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// Protocol Buffers - Google's data interchange format
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// Copyright 2008 Google Inc. All rights reserved.
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// https://developers.google.com/protocol-buffers/
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#import "GPBTestUtilities.h"
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#import "GPBUnknownField_PackagePrivate.h"
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#import "GPBUnknownFieldSet_PackagePrivate.h"
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#import "google/protobuf/Unittest.pbobjc.h"
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@interface GPBUnknownFieldSet (GPBUnknownFieldSetTest)
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- (void)getTags:(int32_t*)tags;
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@end
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@interface UnknownFieldSetTest : GPBTestCase {
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@private
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TestAllTypes* allFields_;
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NSData* allFieldsData_;
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// An empty message that has been parsed from allFieldsData. So, it has
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// unknown fields of every type.
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TestEmptyMessage* emptyMessage_;
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GPBUnknownFieldSet* unknownFields_;
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}
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@end
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@implementation UnknownFieldSetTest
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- (void)setUp {
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allFields_ = [self allSetRepeatedCount:kGPBDefaultRepeatCount];
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allFieldsData_ = [allFields_ data];
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emptyMessage_ = [TestEmptyMessage parseFromData:allFieldsData_ error:NULL];
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unknownFields_ = emptyMessage_.unknownFields;
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}
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- (GPBUnknownField *)getField:(int32_t)number {
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return [unknownFields_ getField:number];
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}
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// Constructs a protocol buffer which contains fields with all the same
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// numbers as allFieldsData except that each field is some other wire
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// type.
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- (NSData*)getBizarroData {
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GPBUnknownFieldSet* bizarroFields =
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[[[GPBUnknownFieldSet alloc] init] autorelease];
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NSUInteger count = [unknownFields_ countOfFields];
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int32_t tags[count];
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[unknownFields_ getTags:tags];
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for (NSUInteger i = 0; i < count; ++i) {
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int32_t tag = tags[i];
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GPBUnknownField* field = [unknownFields_ getField:tag];
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if (field.varintList.count == 0) {
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// Original field is not a varint, so use a varint.
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GPBUnknownField* varintField =
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[[[GPBUnknownField alloc] initWithNumber:tag] autorelease];
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[varintField addVarint:1];
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[bizarroFields addField:varintField];
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} else {
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// Original field *is* a varint, so use something else.
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GPBUnknownField* fixed32Field =
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[[[GPBUnknownField alloc] initWithNumber:tag] autorelease];
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[fixed32Field addFixed32:1];
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[bizarroFields addField:fixed32Field];
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}
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}
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return [bizarroFields data];
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}
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- (void)testSerialize {
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// Check that serializing the UnknownFieldSet produces the original data
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// again.
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NSData* data = [emptyMessage_ data];
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XCTAssertEqualObjects(allFieldsData_, data);
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}
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- (void)testCopyFrom {
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TestEmptyMessage* message = [TestEmptyMessage message];
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[message mergeFrom:emptyMessage_];
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XCTAssertEqualObjects(emptyMessage_.data, message.data);
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}
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- (void)testMergeFrom {
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GPBUnknownFieldSet* set1 = [[[GPBUnknownFieldSet alloc] init] autorelease];
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GPBUnknownField* field = [[[GPBUnknownField alloc] initWithNumber:2] autorelease];
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[field addVarint:2];
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[set1 addField:field];
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field = [[[GPBUnknownField alloc] initWithNumber:3] autorelease];
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[field addVarint:4];
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[set1 addField:field];
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GPBUnknownFieldSet* set2 = [[[GPBUnknownFieldSet alloc] init] autorelease];
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field = [[[GPBUnknownField alloc] initWithNumber:1] autorelease];
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[field addVarint:1];
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[set2 addField:field];
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field = [[[GPBUnknownField alloc] initWithNumber:3] autorelease];
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[field addVarint:3];
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[set2 addField:field];
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GPBUnknownFieldSet* set3 = [[[GPBUnknownFieldSet alloc] init] autorelease];
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field = [[[GPBUnknownField alloc] initWithNumber:1] autorelease];
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[field addVarint:1];
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[set3 addField:field];
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field = [[[GPBUnknownField alloc] initWithNumber:3] autorelease];
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[field addVarint:4];
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[set3 addField:field];
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GPBUnknownFieldSet* set4 = [[[GPBUnknownFieldSet alloc] init] autorelease];
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field = [[[GPBUnknownField alloc] initWithNumber:2] autorelease];
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[field addVarint:2];
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[set4 addField:field];
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field = [[[GPBUnknownField alloc] initWithNumber:3] autorelease];
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[field addVarint:3];
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[set4 addField:field];
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TestEmptyMessage* source1 = [TestEmptyMessage message];
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[source1 setUnknownFields:set1];
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TestEmptyMessage* source2 = [TestEmptyMessage message];
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[source2 setUnknownFields:set2];
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TestEmptyMessage* source3 = [TestEmptyMessage message];
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[source3 setUnknownFields:set3];
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TestEmptyMessage* source4 = [TestEmptyMessage message];
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[source4 setUnknownFields:set4];
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TestEmptyMessage* destination1 = [TestEmptyMessage message];
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[destination1 mergeFrom:source1];
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[destination1 mergeFrom:source2];
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TestEmptyMessage* destination2 = [TestEmptyMessage message];
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[destination2 mergeFrom:source3];
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[destination2 mergeFrom:source4];
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XCTAssertEqualObjects(destination1.data, destination2.data);
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}
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- (void)testClearMessage {
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TestEmptyMessage *message = [TestEmptyMessage message];
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[message mergeFrom:emptyMessage_];
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[message clear];
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XCTAssertEqual(message.serializedSize, (size_t)0);
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}
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- (void)testParseKnownAndUnknown {
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// Test mixing known and unknown fields when parsing.
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GPBUnknownFieldSet *fields = [[unknownFields_ copy] autorelease];
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GPBUnknownField *field =
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[[[GPBUnknownField alloc] initWithNumber:123456] autorelease];
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[field addVarint:654321];
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[fields addField:field];
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NSData* data = fields.data;
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TestAllTypes* destination = [TestAllTypes parseFromData:data error:NULL];
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[self assertAllFieldsSet:destination repeatedCount:kGPBDefaultRepeatCount];
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XCTAssertEqual(destination.unknownFields.countOfFields, (NSUInteger)1);
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GPBUnknownField* field2 = [destination.unknownFields getField:123456];
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XCTAssertEqual(field2.varintList.count, (NSUInteger)1);
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XCTAssertEqual(654321ULL, [field2.varintList valueAtIndex:0]);
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}
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- (void)testWrongTypeTreatedAsUnknown {
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// Test that fields of the wrong wire type are treated like unknown fields
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// when parsing.
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NSData* bizarroData = [self getBizarroData];
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TestAllTypes* allTypesMessage =
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[TestAllTypes parseFromData:bizarroData error:NULL];
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TestEmptyMessage* emptyMessage =
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[TestEmptyMessage parseFromData:bizarroData error:NULL];
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// All fields should have been interpreted as unknown, so the debug strings
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// should be the same.
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XCTAssertEqualObjects(emptyMessage.data, allTypesMessage.data);
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}
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- (void)testUnknownExtensions {
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// Make sure fields are properly parsed to the UnknownFieldSet even when
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// they are declared as extension numbers.
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TestEmptyMessageWithExtensions* message =
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[TestEmptyMessageWithExtensions parseFromData:allFieldsData_ error:NULL];
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XCTAssertEqual(unknownFields_.countOfFields,
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message.unknownFields.countOfFields);
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XCTAssertEqualObjects(allFieldsData_, message.data);
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}
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- (void)testWrongExtensionTypeTreatedAsUnknown {
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// Test that fields of the wrong wire type are treated like unknown fields
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// when parsing extensions.
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NSData* bizarroData = [self getBizarroData];
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TestAllExtensions* allExtensionsMessage =
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[TestAllExtensions parseFromData:bizarroData error:NULL];
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TestEmptyMessage* emptyMessage =
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[TestEmptyMessage parseFromData:bizarroData error:NULL];
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// All fields should have been interpreted as unknown, so the debug strings
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// should be the same.
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XCTAssertEqualObjects(emptyMessage.data, allExtensionsMessage.data);
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}
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- (void)testLargeVarint {
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GPBUnknownFieldSet* fields = [[unknownFields_ copy] autorelease];
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GPBUnknownField* field = [[[GPBUnknownField alloc] initWithNumber:1] autorelease];
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[field addVarint:0x7FFFFFFFFFFFFFFFL];
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[fields addField:field];
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NSData* data = [fields data];
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GPBUnknownFieldSet* parsed = [[[GPBUnknownFieldSet alloc] init] autorelease];
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[parsed mergeFromData:data];
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GPBUnknownField* field2 = [parsed getField:1];
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XCTAssertEqual(field2.varintList.count, (NSUInteger)1);
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XCTAssertEqual(0x7FFFFFFFFFFFFFFFULL, [field2.varintList valueAtIndex:0]);
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}
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- (void)testMergingFields {
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GPBUnknownField* field1 = [[[GPBUnknownField alloc] initWithNumber:1] autorelease];
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[field1 addVarint:1];
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[field1 addFixed32:2];
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[field1 addFixed64:3];
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[field1 addLengthDelimited:[NSData dataWithBytes:"hello" length:5]];
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[field1 addGroup:[[unknownFields_ copy] autorelease]];
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GPBUnknownField* field2 = [[[GPBUnknownField alloc] initWithNumber:2] autorelease];
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[field2 mergeFromField:field1];
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XCTAssertEqualObjects(field1, field2);
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}
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@end
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