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/*
* Copyright (C) 2009 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "third_party/blink/renderer/platform/cross_thread_copier.h"
#include <memory>
#include "third_party/blink/renderer/platform/weborigin/kurl.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
namespace blink {
CrossThreadCopier<KURL>::Type CrossThreadCopier<KURL>::Copy(const KURL& url) {
return url.Copy();
}
CrossThreadCopier<String>::Type CrossThreadCopier<String>::Copy(
const String& str) {
return str.IsolatedCopy();
}
// Test CrossThreadCopier using static_assert.
// Verify that ThreadSafeRefCounted objects get handled correctly.
class CopierThreadSafeRefCountedTest
: public ThreadSafeRefCounted<CopierThreadSafeRefCountedTest> {};
// Add a generic specialization which will let's us verify that no other
// template matches.
template <typename T>
struct CrossThreadCopierBase<T, false> {
typedef int Type;
};
static_assert((std::is_same<scoped_refptr<CopierThreadSafeRefCountedTest>,
CrossThreadCopier<scoped_refptr<
CopierThreadSafeRefCountedTest>>::Type>::value),
"RefPtr + ThreadSafeRefCounted should pass CrossThreadCopier");
static_assert(
(std::is_same<
int,
CrossThreadCopier<CopierThreadSafeRefCountedTest*>::Type>::value),
"Raw pointer + ThreadSafeRefCounted should NOT pass CrossThreadCopier");
// Verify that RefCounted objects only match our generic template which exposes
// Type as int.
class CopierRefCountedTest : public RefCounted<CopierRefCountedTest> {};
static_assert(
(std::is_same<int, CrossThreadCopier<CopierRefCountedTest*>::Type>::value),
"Raw pointer + RefCounted should NOT pass CrossThreadCopier");
// Verify that std::unique_ptr gets passed through.
static_assert(
(std::is_same<std::unique_ptr<float>,
CrossThreadCopier<std::unique_ptr<float>>::Type>::value),
"std::unique_ptr test");
} // namespace blink
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