gdb/testsuite/gdb.cp/mb-ctor.cc

   1
   2 #include <stdio.h>
   3
   4 class Base
   5 {
   6 public:
   7   Base(int k);
   8   ~Base();
   9   virtual void foo() {}
  10 private:
  11   int k;
  12 };
  13
  14 Base::Base(int k)
  15 {
  16   this->k = k;
  17 }
  18
  19 Base::~Base()
  20 {
  21     printf("~Base\n");
  22 }
  23
  24 class Derived : public virtual Base
  25 {
  26 public:
  27   Derived(int i);
  28   ~Derived();
  29 private:
  30   int i;
  31   int i2;
  32 };
  33
  34 Derived::Derived(int i) : Base(i)
  35 {
  36   this->i = i;
  37   /* The next statement is spread over two lines on purpose to exercise
  38      a bug where breakpoints set on all but the last line of a statement
  39      would not get multiple breakpoints.
  40      The second line's text for gdb_get_line_number is a subset of the
  41      first line so that we don't care which line gdb prints when it stops.  */
  42   this->i2 = // set breakpoint here
  43     i; // breakpoint here
  44 }
  45
  46 Derived::~Derived()
  47 {
  48     printf("~Derived\n");
  49 }
  50
  51 class DeeplyDerived : public Derived
  52 {
  53 public:
  54   DeeplyDerived(int i) : Base(i), Derived(i) {}
  55 };
  56
  57 int main()
  58 {
  59   /* Invokes the Derived ctor that constructs both
  60      Derived and Base.  */
  61   Derived d(7);
  62   /* Invokes the Derived ctor that constructs only
  63      Derived. Base is constructed separately by
  64      DeeplyDerived's ctor.  */
  65   DeeplyDerived dd(15);
  66 }