38 lines
1.3 KiB
C++
38 lines
1.3 KiB
C++
|
// Copyright (c) 2011 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/scoped_native_library.h"
|
||
|
#if defined(OS_WIN)
|
||
|
#include "base/files/file_path.h"
|
||
|
#endif
|
||
|
|
||
|
#include "testing/gtest/include/gtest/gtest.h"
|
||
|
|
||
|
namespace base {
|
||
|
|
||
|
// Tests whether or not a function pointer retrieved via ScopedNativeLibrary
|
||
|
// is available only in a scope.
|
||
|
TEST(ScopedNativeLibrary, Basic) {
|
||
|
#if defined(OS_WIN)
|
||
|
// Get the pointer to DirectDrawCreate() from "ddraw.dll" and verify it
|
||
|
// is valid only in this scope.
|
||
|
// FreeLibrary() doesn't actually unload a DLL until its reference count
|
||
|
// becomes zero, i.e. this function pointer is still valid if the DLL used
|
||
|
// in this test is also used by another part of this executable.
|
||
|
// So, this test uses "ddraw.dll", which is not used by Chrome at all but
|
||
|
// installed on all versions of Windows.
|
||
|
FARPROC test_function;
|
||
|
{
|
||
|
FilePath path(GetNativeLibraryName(L"ddraw"));
|
||
|
ScopedNativeLibrary library(path);
|
||
|
test_function = reinterpret_cast<FARPROC>(
|
||
|
library.GetFunctionPointer("DirectDrawCreate"));
|
||
|
EXPECT_EQ(0, IsBadCodePtr(test_function));
|
||
|
}
|
||
|
EXPECT_NE(0, IsBadCodePtr(test_function));
|
||
|
#endif
|
||
|
}
|
||
|
|
||
|
} // namespace base
|