From 7c87290fed96e7620b3702bc9435db6bc957d92c Mon Sep 17 00:00:00 2001
From: "jamesr@chromium.org"
 <jamesr@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>
Date: Wed, 2 Dec 2009 01:44:30 +0000
Subject: Tries to catch callbacks expecting scoped_refptr<T> and getting T*
 using template magic

Review URL: http://codereview.chromium.org/414024

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@33531 0039d316-1c4b-4281-b951-d872f2087c98
---
 base/task.h | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

(limited to 'base/task.h')

diff --git a/base/task.h b/base/task.h
index 0fb144b..7c2f393 100644
--- a/base/task.h
+++ b/base/task.h
@@ -6,6 +6,7 @@
 #define BASE_TASK_H_
 
 #include "base/non_thread_safe.h"
+#include "base/raw_scoped_refptr_mismatch_checker.h"
 #include "base/tracked.h"
 #include "base/tuple.h"
 #include "base/weak_ptr.h"
@@ -140,6 +141,8 @@ class ScopedRunnableMethodFactory {
         : obj_(obj),
           meth_(meth),
           params_(params) {
+      COMPILE_ASSERT((MethodUsesScopedRefptrCorrectly<Method, Params>::value),
+                     badscopedrunnablemethodparams);
     }
 
     virtual void Run() {
@@ -273,6 +276,8 @@ class RunnableMethod : public CancelableTask {
   RunnableMethod(T* obj, Method meth, const Params& params)
       : obj_(obj), meth_(meth), params_(params) {
     traits_.RetainCallee(obj_);
+    COMPILE_ASSERT((MethodUsesScopedRefptrCorrectly<Method, Params>::value),
+                   badrunnablemethodparams);
   }
 
   ~RunnableMethod() {
@@ -383,6 +388,8 @@ class RunnableFunction : public CancelableTask {
  public:
   RunnableFunction(Function function, const Params& params)
       : function_(function), params_(params) {
+    COMPILE_ASSERT((FunctionUsesScopedRefptrCorrectly<Function, Params>::value),
+                   badrunnablefunctionparams);
   }
 
   ~RunnableFunction() {
@@ -642,7 +649,10 @@ typename Callback5<Arg1, Arg2, Arg3, Arg4, Arg5>::Type* NewCallback(
 template <class T, class Method, class Params>
 class UnboundMethod {
  public:
-  UnboundMethod(Method m, Params p) : m_(m), p_(p) {}
+  UnboundMethod(Method m, Params p) : m_(m), p_(p) {
+    COMPILE_ASSERT((MethodUsesScopedRefptrCorrectly<Method, Params>::value),
+                   badunboundmethodparams);
+  }
   void Run(T* obj) const {
     DispatchToMethod(obj, m_, p_);
   }
-- 
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