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+// Protocol Buffers - Google's data interchange format
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+// Copyright 2015 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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+
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+#import <Foundation/Foundation.h>
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+
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+#import "Conformance.pbobjc.h"
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+
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+static void Die(NSString *format, ...) __dead2;
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+
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+static BOOL verbose = NO;
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+static int32_t testCount = 0;
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+
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+static void Die(NSString *format, ...) {
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+ va_list args;
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+ va_start(args, format);
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+ NSString *msg = [[NSString alloc] initWithFormat:format arguments:args];
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+ NSLog(@"%@", msg);
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+ va_end(args);
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+ [msg release];
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+ exit(66);
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+}
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+
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+static NSData *CheckedReadDataOfLength(NSFileHandle *handle, NSUInteger numBytes) {
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+ NSData *data = [handle readDataOfLength:numBytes];
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+ NSUInteger dataLen = data.length;
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+ if (dataLen == 0) {
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+ return nil; // EOF.
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+ }
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+ if (dataLen != numBytes) {
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+ Die(@"Failed to read the request length (%d), only got: %@",
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+ numBytes, data);
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+ }
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+ return data;
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+}
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+
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+static ConformanceResponse *DoTest(ConformanceRequest *request) {
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+ ConformanceResponse *response = [ConformanceResponse message];
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+ TestAllTypes *testMessage = nil;
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+
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+ switch (request.payloadOneOfCase) {
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+ case ConformanceRequest_Payload_OneOfCase_GPBUnsetOneOfCase:
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+ Die(@"Request didn't have a payload: %@", request);
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+ break;
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+
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+ case ConformanceRequest_Payload_OneOfCase_ProtobufPayload: {
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+ NSError *error = nil;
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+ testMessage = [TestAllTypes parseFromData:request.protobufPayload
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+ error:&error];
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+ if (!testMessage) {
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+ response.parseError =
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+ [NSString stringWithFormat:@"Parse error: %@", error];
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+ }
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+ break;
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+ }
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+
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+ case ConformanceRequest_Payload_OneOfCase_JsonPayload:
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+ response.skipped = @"ObjC doesn't support parsing JSON";
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+ break;
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+ }
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+
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+ if (testMessage) {
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+ switch (request.requestedOutputFormat) {
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+ case WireFormat_GPBUnrecognizedEnumeratorValue:
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+ case WireFormat_Unspecified:
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+ Die(@"Unrecognized/unspecified output format: %@", request);
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+ break;
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+
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+ case WireFormat_Protobuf:
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+ response.protobufPayload = testMessage.data;
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+ if (!response.protobufPayload) {
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+ response.runtimeError =
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+ [NSString stringWithFormat:@"Failed to make data from: %@", testMessage];
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+ }
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+ break;
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+
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+ case WireFormat_Json:
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+ response.skipped = @"ObjC doesn't support generating JSON";
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+ break;
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+ }
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+ }
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+
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+ return response;
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+}
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+
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+static uint32_t UInt32FromLittleEndianData(NSData *data) {
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+ if (data.length != sizeof(uint32_t)) {
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+ Die(@"Data not the right size for uint32_t: %@", data);
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+ }
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+ uint32_t value;
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+ memcpy(&value, data.bytes, sizeof(uint32_t));
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+ return CFSwapInt32LittleToHost(value);
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+}
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+
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+static NSData *UInt32ToLittleEndianData(uint32_t num) {
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+ uint32_t value = CFSwapInt32HostToLittle(num);
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+ return [NSData dataWithBytes:&value length:sizeof(uint32_t)];
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+}
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+
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+static BOOL DoTestIo(NSFileHandle *input, NSFileHandle *output) {
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+ // See conformance_test_runner.cc for the wire format.
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+ NSData *data = CheckedReadDataOfLength(input, sizeof(uint32_t));
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+ if (!data) {
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+ // EOF.
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+ return NO;
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+ }
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+ uint32_t numBytes = UInt32FromLittleEndianData(data);
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+ data = CheckedReadDataOfLength(input, numBytes);
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+ if (!data) {
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+ Die(@"Failed to read request");
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+ }
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+
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+ NSError *error = nil;
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+ ConformanceRequest *request = [ConformanceRequest parseFromData:data
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+ error:&error];
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+ if (!request) {
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+ Die(@"Failed to parse the message data: %@", error);
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+ }
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+
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+ ConformanceResponse *response = DoTest(request);
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+ if (!response) {
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+ Die(@"Failed to make a reply from %@", request);
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+ }
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+
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+ data = response.data;
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+ [output writeData:UInt32ToLittleEndianData((int32_t)data.length)];
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+ [output writeData:data];
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+
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+ if (verbose) {
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+ NSLog(@"Request: %@", request);
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+ NSLog(@"Response: %@", response);
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+ }
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+
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+ ++testCount;
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+ return YES;
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+}
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+
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+int main(int argc, const char *argv[]) {
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+ @autoreleasepool {
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+ NSFileHandle *input = [[NSFileHandle fileHandleWithStandardInput] retain];
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+ NSFileHandle *output = [[NSFileHandle fileHandleWithStandardOutput] retain];
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+
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+ BOOL notDone = YES;
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+ while (notDone) {
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+ @autoreleasepool {
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+ notDone = DoTestIo(input, output);
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+ }
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+ }
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+
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+ NSLog(@"Received EOF from test runner after %d tests, exiting.", testCount);
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+ }
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+ return 0;
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+}
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Thomas Van Lenten