ld/testsuite/ld-cdtest/cdtest-main.cc

   1 // main program for Class Foo
   2
   3 extern "C" {
   4 // Some <assert.h> implementations (e.g. SUNOS 4.1) are broken,
   5 // in that they require <stdio.h>.  But, if gcc/g++ is installed
   6 // correctly, you should get gcc's assert.h.
   7 // If the compile fails, it means the wrong include files are in use!
   8 #include <assert.h>
   9 };
  10 #include "cdtest-foo.h"
  11
  12 extern "C" void __init_start();
  13
  14 extern Foo f(void);
  15 extern void g(void);
  16
  17 /* This function should *not* be called by the environment.  There is
  18    no way in C++ to ``run something after the initializers but before main()''.
  19    The library that depends on this (NIHCL) is broken.  -- John Gilmore
  20    We leave this here to test that future changes to the compiler
  21    do not re-introduce this losing ``feature''.  */
  22 void
  23 __init_start()
  24 {
  25     Foo::init_foo();
  26 }
  27
  28 static Foo static_foo( "static_foo");
  29
  30 int main()
  31 {
  32     assert (Foo::nb_foos() == 2);
  33     Foo automatic_foo( "automatic_foo");
  34     Foo bla_foo = f();
  35     assert (Foo::nb_foos() == 4);
  36     g();
  37     assert (Foo::nb_foos() == 4);
  38     // `automatic_foo' and `bla_foo' are destructed here
  39 }
  40