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Diffstat (limited to 'base/callback_list_unittest.nc')
-rw-r--r-- | base/callback_list_unittest.nc | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/base/callback_list_unittest.nc b/base/callback_list_unittest.nc new file mode 100644 index 0000000..2d464cf --- /dev/null +++ b/base/callback_list_unittest.nc @@ -0,0 +1,51 @@ +// Copyright 2013 The Chromium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#include "base/callback_list.h" + +#include "base/basictypes.h" +#include "base/bind.h" +#include "base/bind_helpers.h" +#include "base/memory/scoped_ptr.h" + +namespace base { + +class Foo { + public: + Foo() {} + ~Foo() {} +}; + +class FooListener { + public: + FooListener() {} + + void GotAScopedFoo(scoped_ptr<Foo> f) { foo_ = f.Pass(); } + + scoped_ptr<Foo> foo_; + + private: + DISALLOW_COPY_AND_ASSIGN(FooListener); +}; + + +#if defined(NCTEST_MOVE_ONLY_TYPE_PARAMETER) // [r"calling a private constructor of class"] + +// Callbacks run with a move-only typed parameter. +// +// CallbackList does not support move-only typed parameters. Notify() is +// designed to take zero or more parameters, and run each registered callback +// with them. With move-only types, the parameter will be set to NULL after the +// first callback has been run. +void WontCompile() { + FooListener f; + CallbackList<void(scoped_ptr<Foo>)> c1; + scoped_ptr<CallbackList<void(scoped_ptr<Foo>)>::Subscription> sub = + c1.Add(Bind(&FooListener::GotAScopedFoo, Unretained(&f))); + c1.Notify(scoped_ptr<Foo>(new Foo())); +} + +#endif + +} // namespace base |