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Test that we properly support Apple's silly EH semantics for ObjC++, and that we can turn them off if we don't need to be compatible with code that relies on them.

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@32672 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
theraven 2011-03-21 18:30:18 +00:00
parent d1798099ab
commit 403d4741a6
1 changed files with 71 additions and 0 deletions
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71
Tests/base/NSException/sillySemantics.mm Normal file
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extern "C"
{
#import <ObjectTesting.h>
#import <Foundation/NSObject.h>
}
#if !__has_feature(objc_nonfragile_abi)
int main(void)
{
START_SET("String throwing")
SKIP("Unified exception model not supported")
END_SET("String throwing");
return 0;
}
#else
#if __has_include(<objc/capabilities.h>)
#include <objc/capabilities.h>
#endif
NSObject *foo = @"foo";
id caughtObj = nil;
id caughtStr = nil;
int final = 0;
void testThrow(void)
{
caughtObj = nil;
caughtStr = nil;
final = 0;
try
{
throw foo;
}
catch (NSString *f)
{
caughtStr = f;
}
catch (NSObject *o)
{
caughtObj = o;
}
catch(...)
{
final = 1;
}
}
/**
* Tests whether C++ exception catching uses Objective-C semantics.
*
* This is a completely stupid thing to do, because it means that a C++
* language feature now doesn't behave like a C++ language feature, but Apple
* did it so we have to do stupid things in the name of compatibility...
*/
int main(void)
{
testThrow();
pass(0==final, "catchall not used to catch object");
pass(caughtObj == nil, "Thrown string cast to NSObject matched NSObject (Apple mode)");
pass(caughtStr == foo, "Thrown string cast to NSObject matched NSString (Apple mode)");
#ifdef OBJC_UNIFIED_EXCEPTION_MODEL
// Turn off Apple compatibility mode and try again
objc_set_apple_compatible_objcxx_exceptions(0);
testThrow();
pass(0==final, "catchall not used to catch object");
pass(caughtObj == foo, "Thrown string cast to NSObject matched NSObject (sane mode)");
pass(caughtStr == nil, "Thrown string cast to NSObject matched NSString (sane mode)");
#endif
return 0;
}
#endif