study_objc4/objc4-779.1/test/nopool.m

// TEST_CONFIG MEM=mrc

#include "test.h"
#include "testroot.i"

@implementation TestRoot (Loader)
+(void)load 
{
    [[TestRoot new] autorelease];
    testassert(TestRootAutorelease == 1);
    testassert(TestRootDealloc == 0);
}
@end

int main()
{
    // +load's autoreleased object should have deallocated
    testassert(TestRootDealloc == 1);

    [[TestRoot new] autorelease];
    testassert(TestRootAutorelease == 2);


    objc_autoreleasePoolPop(objc_autoreleasePoolPush());
    [[TestRoot new] autorelease];
    testassert(TestRootAutorelease == 3);


    testonthread(^{
        [[TestRoot new] autorelease];
        testassert(TestRootAutorelease == 4);
        testassert(TestRootDealloc == 1);
    });
    // thread's autoreleased object should have deallocated
    testassert(TestRootDealloc == 2);


    // Test no-pool autorelease after a pool was pushed and popped.
    // The simplest POOL_SENTINEL check during pop gets this wrong.
    testonthread(^{
        objc_autoreleasePoolPop(objc_autoreleasePoolPush());
        [[TestRoot new] autorelease];
        testassert(TestRootAutorelease == 5);
        testassert(TestRootDealloc == 2);
    });
    testassert(TestRootDealloc == 3
);
    succeed(__FILE__);
}