protobuf/objectivec/Tests/GPBObjectiveCPlusPlusTest.mm
Thomas Van Lenten ad2d5c926b Support enum forward decls in Objective C++
NS_ENUM changes defintion in Objective C++ based on the C++ spec being
compiled with, special case the one situation where it wouldn't support doing a
forward decl for the enum.
2015-10-01 09:03:30 -04:00

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// Protocol Buffers - Google's data interchange format
// Copyright 2013 Google Inc. All rights reserved.
// https://developers.google.com/protocol-buffers/
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#import "GPBTestUtilities.h"
//
// This is just a compile test (here to make sure things never regress).
//
// Objective C++ can run into issues with how the NS_ENUM/CF_ENUM declartion
// works because of the C++ spec being used for that compilation unit. So
// the fact that these imports all work without errors/warning means things
// are still good.
//
// The "well know types" should have cross file enums needing imports.
#import "GPBProtocolBuffers.h"
// Some of the tests explicitly use cross file enums also.
#import "google/protobuf/Unittest.pbobjc.h"
#import "google/protobuf/UnittestImport.pbobjc.h"
// Sanity check the conditions of the test within the Xcode project.
#if !__cplusplus
#error This isn't compiled as Objective C++?
#elif __cplusplus >= 201103L
// If this trips, it means the Xcode default might have change (or someone
// edited the testing project) and it might be time to revisit the GPB_ENUM
// define in GPBBootstrap.h.
#warning Did the Xcode default for C++ spec change?
#endif
// Dummy XCTest.
@interface GPBObjectiveCPlusPlusTests : GPBTestCase
@end
@implementation GPBObjectiveCPlusPlusTests
- (void)testCPlusPlus {
// Nothing, This was a compile test.
XCTAssertTrue(YES);
}
@end