Revert https://codereview.chromium.org/1291903002 (protobuf roll).

third_party/protobuf/objectivec/Tests/GPBUnknownFieldSetTest.m

Index: third_party/protobuf/objectivec/Tests/GPBUnknownFieldSetTest.m
diff --git a/third_party/protobuf/objectivec/Tests/GPBUnknownFieldSetTest.m b/third_party/protobuf/objectivec/Tests/GPBUnknownFieldSetTest.m
deleted file mode 100644
index 01217ca61a3ab96d621311657cbcb76ac87ecf8b..0000000000000000000000000000000000000000
--- a/third_party/protobuf/objectivec/Tests/GPBUnknownFieldSetTest.m
+++ /dev/null
@@ -1,259 +0,0 @@
-// 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