/* * Copyright (c) 2010 Apple Inc. All rights reserved. * * @APPLE_LLVM_LICENSE_HEADER@ */ /* * objectassign.c * testObjects * * Created by Blaine Garst on 10/28/08. * Copyright 2008 __MyCompanyName__. All rights reserved. */ // TEST_CONFIG // rdar://6175959 // This just tests that the compiler is issuing the proper helper routines #include #include #include "test.h" int AssignCalled = 0; int DisposeCalled = 0; // local copy instead of libSystem.B.dylib copy void _Block_object_assign(void *destAddr __unused, const void *object __unused, const int isWeak __unused) { //printf("_Block_object_assign(%p, %p, %d) called\n", destAddr, object, isWeak); AssignCalled = 1; } void _Block_object_dispose(const void *object __unused, const int isWeak __unused) { //printf("_Block_object_dispose(%p, %d) called\n", object, isWeak); DisposeCalled = 1; } struct MyStruct { long isa; long field; }; typedef struct MyStruct *__attribute__((NSObject)) MyStruct_t; int main() { // create a block struct MyStruct X; MyStruct_t xp = (MyStruct_t)&X; xp->field = 10; void (^myBlock)(void) = ^{ printf("field is %ld\n", xp->field); }; // should be a copy helper generated with a calls to above routines // Lets find out! struct Block_layout *bl = (struct Block_layout *)(void *)myBlock; if ((bl->flags & BLOCK_HAS_COPY_DISPOSE) != BLOCK_HAS_COPY_DISPOSE) { fail("no copy dispose!!!!"); } // call helper routines directly. These will, in turn, we hope, call the stubs above long destBuffer[256]; //printf("destbuffer is at %p, block at %p\n", destBuffer, (void *)bl); //printf("dump is %s\n", _Block_dump(myBlock)); struct Block_descriptor_2 *desc2 = (struct Block_descriptor_2 *)(bl->descriptor + 1); desc2->copy(destBuffer, bl); desc2->dispose(bl); if (AssignCalled == 0) { fail("did not call assign helper!"); } if (DisposeCalled == 0) { fail("did not call dispose helper"); } succeed(__FILE__); }