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

third_party/protobuf/objectivec/Tests/GPBWireFormatTests.m

-// 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 "GPBCodedInputStream.h"
-#import "GPBMessage_PackagePrivate.h"
-#import "GPBUnknownField_PackagePrivate.h"
-#import "google/protobuf/Unittest.pbobjc.h"
-#import "google/protobuf/UnittestMset.pbobjc.h"
-
-@interface WireFormatTests : GPBTestCase
-@end
-
-@implementation WireFormatTests
-
-- (void)testSerialization {
-  TestAllTypes* message = [self allSetRepeatedCount:kGPBDefaultRepeatCount];
-
-  NSData* rawBytes = message.data;
-  XCTAssertEqual(message.serializedSize, (size_t)rawBytes.length);
-
-  TestAllTypes* message2 = [TestAllTypes parseFromData:rawBytes error:NULL];
-
-  [self assertAllFieldsSet:message2 repeatedCount:kGPBDefaultRepeatCount];
-}
-
-- (void)testSerializationPacked {
-  TestPackedTypes* message =
-      [self packedSetRepeatedCount:kGPBDefaultRepeatCount];
-
-  NSData* rawBytes = message.data;
-  XCTAssertEqual(message.serializedSize, (size_t)rawBytes.length);
-
-  TestPackedTypes* message2 =
-      [TestPackedTypes parseFromData:rawBytes error:NULL];
-
-  [self assertPackedFieldsSet:message2 repeatedCount:kGPBDefaultRepeatCount];
-}
-
-- (void)testSerializeExtensions {
-  // TestAllTypes and TestAllExtensions should have compatible wire formats,
-  // so if we serealize a TestAllExtensions then parse it as TestAllTypes
-  // it should work.
-
-  TestAllExtensions* message =
-      [self allExtensionsSetRepeatedCount:kGPBDefaultRepeatCount];
-  NSData* rawBytes = message.data;
-  XCTAssertEqual(message.serializedSize, (size_t)rawBytes.length);
-
-  TestAllTypes* message2 = [TestAllTypes parseFromData:rawBytes error:NULL];
-
-  [self assertAllFieldsSet:message2 repeatedCount:kGPBDefaultRepeatCount];
-}
-
-- (void)testSerializePackedExtensions {
-  // TestPackedTypes and TestPackedExtensions should have compatible wire
-  // formats; check that they serialize to the same string.
-  TestPackedExtensions* message =
-      [self packedExtensionsSetRepeatedCount:kGPBDefaultRepeatCount];
-  NSData* rawBytes = message.data;
-
-  TestPackedTypes* message2 =
-      [self packedSetRepeatedCount:kGPBDefaultRepeatCount];
-  NSData* rawBytes2 = message2.data;
-
-  XCTAssertEqualObjects(rawBytes, rawBytes2);
-}
-
-- (void)testParseExtensions {
-  // TestAllTypes and TestAllExtensions should have compatible wire formats,
-  // so if we serialize a TestAllTypes then parse it as TestAllExtensions
-  // it should work.
-
-  TestAllTypes* message = [self allSetRepeatedCount:kGPBDefaultRepeatCount];
-  NSData* rawBytes = message.data;
-
-  GPBExtensionRegistry* registry = [self extensionRegistry];
-
-  TestAllExtensions* message2 = [TestAllExtensions parseFromData:rawBytes
-                                               extensionRegistry:registry
-                                                           error:NULL];
-
-  [self assertAllExtensionsSet:message2 repeatedCount:kGPBDefaultRepeatCount];
-}
-
-
-- (void) testExtensionsSerializedSize {
-  size_t allSet = [self allSetRepeatedCount:kGPBDefaultRepeatCount].serializedSize;
-  size_t extensionSet = [self allExtensionsSetRepeatedCount:kGPBDefaultRepeatCount].serializedSize;
-  XCTAssertEqual(allSet, extensionSet);
-}
-
-- (void)testParsePackedExtensions {
-  // Ensure that packed extensions can be properly parsed.
-  TestPackedExtensions* message =
-      [self packedExtensionsSetRepeatedCount:kGPBDefaultRepeatCount];
-  NSData* rawBytes = message.data;
-
-  GPBExtensionRegistry* registry = [self extensionRegistry];
-
-  TestPackedExtensions* message2 = [TestPackedExtensions parseFromData:rawBytes
-                                                     extensionRegistry:registry
-                                                                 error:NULL];
-
-  [self assertPackedExtensionsSet:message2
-                    repeatedCount:kGPBDefaultRepeatCount];
-}
-
-const int kUnknownTypeId = 1550055;
-
-- (void)testSerializeMessageSet {
-  // Set up a TestMessageSet with two known messages and an unknown one.
-  TestMessageSet* message_set = [TestMessageSet message];
-  [[message_set getExtension:[TestMessageSetExtension1 messageSetExtension]]
-      setI:123];
-  [[message_set getExtension:[TestMessageSetExtension2 messageSetExtension]]
-      setStr:@"foo"];
-  GPBUnknownField* unknownField =
-      [[[GPBUnknownField alloc] initWithNumber:kUnknownTypeId] autorelease];
-  [unknownField addLengthDelimited:[NSData dataWithBytes:"bar" length:3]];
-  GPBUnknownFieldSet* unknownFieldSet =
-      [[[GPBUnknownFieldSet alloc] init] autorelease];
-  [unknownFieldSet addField:unknownField];
-  [message_set setUnknownFields:unknownFieldSet];
-
-  NSData* data = [message_set data];
-
-  // Parse back using RawMessageSet and check the contents.
-  RawMessageSet* raw = [RawMessageSet parseFromData:data error:NULL];
-
-  XCTAssertEqual([raw.unknownFields countOfFields], (NSUInteger)0);
-
-  XCTAssertEqual(raw.itemArray.count, (NSUInteger)3);
-  XCTAssertEqual((uint32_t)[raw.itemArray[0] typeId],
-                 [TestMessageSetExtension1 messageSetExtension].fieldNumber);
-  XCTAssertEqual((uint32_t)[raw.itemArray[1] typeId],
-                 [TestMessageSetExtension2 messageSetExtension].fieldNumber);
-  XCTAssertEqual([raw.itemArray[2] typeId], kUnknownTypeId);
-
-  TestMessageSetExtension1* message1 =
-      [TestMessageSetExtension1 parseFromData:[raw.itemArray[0] message]
-                                        error:NULL];
-  XCTAssertEqual(message1.i, 123);
-
-  TestMessageSetExtension2* message2 =
-      [TestMessageSetExtension2 parseFromData:[raw.itemArray[1] message]
-                                        error:NULL];
-  XCTAssertEqualObjects(message2.str, @"foo");
-
-  XCTAssertEqualObjects([raw.itemArray[2] message],
-                        [NSData dataWithBytes:"bar" length:3]);
-}
-
-- (void)testParseMessageSet {
-  // Set up a RawMessageSet with two known messages and an unknown one.
-  RawMessageSet* raw = [RawMessageSet message];
-
-  {
-    RawMessageSet_Item* item = [RawMessageSet_Item message];
-    item.typeId = [TestMessageSetExtension1 messageSetExtension].fieldNumber;
-    TestMessageSetExtension1* message = [TestMessageSetExtension1 message];
-    message.i = 123;
-    item.message = [message data];
-    raw.itemArray = [NSMutableArray array];
-    [raw.itemArray addObject:item];
-  }
-
-  {
-    RawMessageSet_Item* item = [RawMessageSet_Item message];
-    item.typeId = [TestMessageSetExtension2 messageSetExtension].fieldNumber;
-    TestMessageSetExtension2* message = [TestMessageSetExtension2 message];
-    message.str = @"foo";
-    item.message = [message data];
-    [raw.itemArray addObject:item];
-  }
-
-  {
-    RawMessageSet_Item* item = [RawMessageSet_Item message];
-    item.typeId = kUnknownTypeId;
-    item.message = [NSData dataWithBytes:"bar" length:3];
-    [raw.itemArray addObject:item];
-  }
-
-  NSData* data = [raw data];
-
-  // Parse as a TestMessageSet and check the contents.
-  TestMessageSet* messageSet =
-      [TestMessageSet parseFromData:data
-                  extensionRegistry:[UnittestMsetRoot extensionRegistry]
-                              error:NULL];
-
-  XCTAssertEqual(
-      [[messageSet
-          getExtension:[TestMessageSetExtension1 messageSetExtension]] i],
-      123);
-  XCTAssertEqualObjects(
-      [[messageSet
-          getExtension:[TestMessageSetExtension2 messageSetExtension]] str],
-      @"foo");
-
-  XCTAssertEqual([messageSet.unknownFields countOfFields], (NSUInteger)1);
-  GPBUnknownField* unknownField = [messageSet.unknownFields getField:kUnknownTypeId];
-  XCTAssertNotNil(unknownField);
-  XCTAssertEqual(unknownField.lengthDelimitedList.count, (NSUInteger)1);
-  XCTAssertEqualObjects(unknownField.lengthDelimitedList[0],
-                        [NSData dataWithBytes:"bar" length:3]);
-}
-
-- (void)assertFieldsInOrder:(NSData*)data {
-  GPBCodedInputStream* input = [GPBCodedInputStream streamWithData:data];
-  int32_t previousTag = 0;
-
-  while (YES) {
-    int32_t tag = [input readTag];
-    if (tag == 0) {
-      break;
-    }
-
-    XCTAssertGreaterThan(tag, previousTag);
-    [input skipField:tag];
-  }
-}
-
-@end