Function TEST

test/callback_list_unittest.cc:102–146

Sanity check that we can instantiate a CallbackList for each arity.

// Sanity check that we can instantiate a CallbackList for each arity.
TEST(CallbackListTest, ArityTest) {
  Summer s;

  CallbackList<void(int)> c1;
  scoped_ptr<CallbackList<void(int)>::Subscription> subscription1 =
      c1.Add(Bind(&Summer::AddOneParam, Unretained(&s)));

  c1.Notify(1);
  EXPECT_EQ(1, s.value());

  CallbackList<void(int, int)> c2;
  scoped_ptr<CallbackList<void(int, int)>::Subscription> subscription2 =
      c2.Add(Bind(&Summer::AddTwoParam, Unretained(&s)));

  c2.Notify(1, 2);
  EXPECT_EQ(3, s.value());

  CallbackList<void(int, int, int)> c3;
  scoped_ptr<CallbackList<void(int, int, int)>::Subscription>
      subscription3 = c3.Add(Bind(&Summer::AddThreeParam, Unretained(&s)));

  c3.Notify(1, 2, 3);
  EXPECT_EQ(6, s.value());

  CallbackList<void(int, int, int, int)> c4;
  scoped_ptr<CallbackList<void(int, int, int, int)>::Subscription>
      subscription4 = c4.Add(Bind(&Summer::AddFourParam, Unretained(&s)));

  c4.Notify(1, 2, 3, 4);
  EXPECT_EQ(10, s.value());

  CallbackList<void(int, int, int, int, int)> c5;
  scoped_ptr<CallbackList<void(int, int, int, int, int)>::Subscription>
      subscription5 = c5.Add(Bind(&Summer::AddFiveParam, Unretained(&s)));

  c5.Notify(1, 2, 3, 4, 5);
  EXPECT_EQ(15, s.value());

  CallbackList<void(int, int, int, int, int, int)> c6;
  scoped_ptr<CallbackList<void(int, int, int, int, int, int)>::Subscription>
      subscription6 = c6.Add(Bind(&Summer::AddSixParam, Unretained(&s)));

  c6.Notify(1, 2, 3, 4, 5, 6);
  EXPECT_EQ(21, s.value());
}

// Sanity check that closures added to the list will be run, and those removed
// from the list will not be run.