test/cacheflush.m

   1 /*
   2 TEST_BUILD
   3     $C{COMPILE} $DIR/cacheflush0.m -o cacheflush0.dylib -dynamiclib
   4     $C{COMPILE} $DIR/cacheflush2.m -x none cacheflush0.dylib -o cacheflush2.dylib -dynamiclib
   5     $C{COMPILE} $DIR/cacheflush3.m -x none cacheflush0.dylib -o cacheflush3.dylib -dynamiclib
   6     $C{COMPILE} $DIR/cacheflush.m  -x none cacheflush0.dylib -o cacheflush.out
   7 END
   8 */
   9
  10 #include "test.h"
  11 #include <objc/runtime.h>
  12 #include <dlfcn.h>
  13
  14 #include "cacheflush.h"
  15
  16 @interface Sub : TestRoot @end
  17 @implementation Sub @end
  18
  19
  20 int main()
  21 {
  22     TestRoot *sup = [TestRoot new];
  23     Sub *sub = [Sub new];
  24
  25     // Fill method cache
  26     testassert(1 == [TestRoot classMethod]);
  27     testassert(1 == [sup instanceMethod]);
  28     testassert(1 == [TestRoot classMethod]);
  29     testassert(1 == [sup instanceMethod]);
  30
  31     testassert(1 == [Sub classMethod]);
  32     testassert(1 == [sub instanceMethod]);
  33     testassert(1 == [Sub classMethod]);
  34     testassert(1 == [sub instanceMethod]);
  35
  36     // Dynamically load a category
  37     dlopen("cacheflush2.dylib", 0);
  38
  39     // Make sure old cache results are gone
  40     testassert(2 == [TestRoot classMethod]);
  41     testassert(2 == [sup instanceMethod]);
  42
  43     testassert(2 == [Sub classMethod]);
  44     testassert(2 == [sub instanceMethod]);
  45
  46     // Dynamically load another category
  47     dlopen("cacheflush3.dylib", 0);
  48
  49     // Make sure old cache results are gone
  50     testassert(3 == [TestRoot classMethod]);
  51     testassert(3 == [sup instanceMethod]);
  52
  53     testassert(3 == [Sub classMethod]);
  54     testassert(3 == [sub instanceMethod]);
  55
  56     // fixme test subclasses
  57
  58     // fixme test objc_flush_caches(), class_addMethod(), class_addMethods()
  59
  60     succeed(__FILE__);
  61 }