Add support for the conformance test for objc when run on OS X
diff --git a/conformance/conformance_objc.m b/conformance/conformance_objc.m
new file mode 100644
index 0000000..06c97a8
--- /dev/null
+++ b/conformance/conformance_objc.m
@@ -0,0 +1,179 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2015 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 <Foundation/Foundation.h>
+
+#import "Conformance.pbobjc.h"
+
+static void Die(NSString *format, ...) __dead2;
+
+static BOOL verbose = NO;
+static int32_t testCount = 0;
+
+static void Die(NSString *format, ...) {
+ va_list args;
+ va_start(args, format);
+ NSString *msg = [[NSString alloc] initWithFormat:format arguments:args];
+ NSLog(@"%@", msg);
+ va_end(args);
+ [msg release];
+ exit(66);
+}
+
+static NSData *CheckedReadDataOfLength(NSFileHandle *handle, NSUInteger numBytes) {
+ NSData *data = [handle readDataOfLength:numBytes];
+ NSUInteger dataLen = data.length;
+ if (dataLen == 0) {
+ return nil; // EOF.
+ }
+ if (dataLen != numBytes) {
+ Die(@"Failed to read the request length (%d), only got: %@",
+ numBytes, data);
+ }
+ return data;
+}
+
+static ConformanceResponse *DoTest(ConformanceRequest *request) {
+ ConformanceResponse *response = [ConformanceResponse message];
+ TestAllTypes *testMessage = nil;
+
+ switch (request.payloadOneOfCase) {
+ case ConformanceRequest_Payload_OneOfCase_GPBUnsetOneOfCase:
+ Die(@"Request didn't have a payload: %@", request);
+ break;
+
+ case ConformanceRequest_Payload_OneOfCase_ProtobufPayload: {
+ NSError *error = nil;
+ testMessage = [TestAllTypes parseFromData:request.protobufPayload
+ error:&error];
+ if (!testMessage) {
+ response.parseError =
+ [NSString stringWithFormat:@"Parse error: %@", error];
+ }
+ break;
+ }
+
+ case ConformanceRequest_Payload_OneOfCase_JsonPayload:
+ response.skipped = @"ObjC doesn't support parsing JSON";
+ break;
+ }
+
+ if (testMessage) {
+ switch (request.requestedOutputFormat) {
+ case WireFormat_GPBUnrecognizedEnumeratorValue:
+ case WireFormat_Unspecified:
+ Die(@"Unrecognized/unspecified output format: %@", request);
+ break;
+
+ case WireFormat_Protobuf:
+ response.protobufPayload = testMessage.data;
+ if (!response.protobufPayload) {
+ response.runtimeError =
+ [NSString stringWithFormat:@"Failed to make data from: %@", testMessage];
+ }
+ break;
+
+ case WireFormat_Json:
+ response.skipped = @"ObjC doesn't support generating JSON";
+ break;
+ }
+ }
+
+ return response;
+}
+
+static uint32_t UInt32FromLittleEndianData(NSData *data) {
+ if (data.length != sizeof(uint32_t)) {
+ Die(@"Data not the right size for uint32_t: %@", data);
+ }
+ uint32_t value;
+ memcpy(&value, data.bytes, sizeof(uint32_t));
+ return CFSwapInt32LittleToHost(value);
+}
+
+static NSData *UInt32ToLittleEndianData(uint32_t num) {
+ uint32_t value = CFSwapInt32HostToLittle(num);
+ return [NSData dataWithBytes:&value length:sizeof(uint32_t)];
+}
+
+static BOOL DoTestIo(NSFileHandle *input, NSFileHandle *output) {
+ // See conformance_test_runner.cc for the wire format.
+ NSData *data = CheckedReadDataOfLength(input, sizeof(uint32_t));
+ if (!data) {
+ // EOF.
+ return NO;
+ }
+ uint32_t numBytes = UInt32FromLittleEndianData(data);
+ data = CheckedReadDataOfLength(input, numBytes);
+ if (!data) {
+ Die(@"Failed to read request");
+ }
+
+ NSError *error = nil;
+ ConformanceRequest *request = [ConformanceRequest parseFromData:data
+ error:&error];
+ if (!request) {
+ Die(@"Failed to parse the message data: %@", error);
+ }
+
+ ConformanceResponse *response = DoTest(request);
+ if (!response) {
+ Die(@"Failed to make a reply from %@", request);
+ }
+
+ data = response.data;
+ [output writeData:UInt32ToLittleEndianData((int32_t)data.length)];
+ [output writeData:data];
+
+ if (verbose) {
+ NSLog(@"Request: %@", request);
+ NSLog(@"Response: %@", response);
+ }
+
+ ++testCount;
+ return YES;
+}
+
+int main(int argc, const char *argv[]) {
+ @autoreleasepool {
+ NSFileHandle *input = [[NSFileHandle fileHandleWithStandardInput] retain];
+ NSFileHandle *output = [[NSFileHandle fileHandleWithStandardOutput] retain];
+
+ BOOL notDone = YES;
+ while (notDone) {
+ @autoreleasepool {
+ notDone = DoTestIo(input, output);
+ }
+ }
+
+ NSLog(@"Received EOF from test runner after %d tests, exiting.", testCount);
+ }
+ return 0;
+}
