1 files changed, 76 insertions, 0 deletions
diff --git a/lib/BlocksRuntime/tests/objectassign.c b/lib/BlocksRuntime/tests/objectassign.c
new file mode 100644
index 000000000..1c4f48414
--- /dev/null
+++ b/lib/BlocksRuntime/tests/objectassign.c
@@ -0,0 +1,76 @@
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+
+/*
+ *  objectassign.c
+ *  testObjects
+ *
+ *  Created by Blaine Garst on 10/28/08.
+ *
+ * This just tests that the compiler is issuing the proper helper routines
+ * CONFIG C rdar://6175959
+ */
+
+
+#include <stdio.h>
+#include <Block_private.h>
+
+
+int AssignCalled = 0;
+int DisposeCalled = 0;
+
+// local copy instead of libSystem.B.dylib copy
+void _Block_object_assign(void *destAddr, const void *object, const int isWeak) {
+    //printf("_Block_object_assign(%p, %p, %d) called\n", destAddr, object, isWeak);
+    AssignCalled = 1;
+}
+
+void _Block_object_dispose(const void *object, const int isWeak) {
+    //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(int argc, char *argv[]) {
+    if (__APPLE_CC__ < 5627) {
+        printf("need compiler version %d, have %d\n", 5627, __APPLE_CC__);
+        return 0;
+    }
+    // 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) {
+        printf("no copy dispose!!!!\n");
+        return 1;
+    }
+    // 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));
+    bl->descriptor->copy(destBuffer, bl);
+    bl->descriptor->dispose(bl);
+    if (AssignCalled == 0) {
+        printf("did not call assign helper!\n");
+        return 1;
+    }
+    if (DisposeCalled == 0) {
+        printf("did not call dispose helper\n");
+        return 1;
+    }
+    printf("%s: Success!\n", argv[0]);
+    return 0;
+}