M7350/system/extras/tests/bionic/libstdc++/test_cstddef.cpp
2024-09-09 08:57:42 +00:00

104 lines
3.0 KiB
C++

/*
* Copyright (C) 2009 The Android Open Source Project
* 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.
*
* 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 <cstddef>
#if defined BIONIC && !defined BIONIC_LIBSTDCPP_INCLUDE_CSTDDEF__
#error "Wrong header file included!!"
#endif
namespace {
const int kPassed = 0;
const int kFailed = 1;
#define FAIL_UNLESS(f) if (!android::f()) return kFailed;
} // anonymous namespace
namespace android {
// Dummy struct used to calculate offset of some of its fields.
struct Foo
{
char field1;
char field2;
};
// Check various types are declared in the std namespace.
bool testTypesStd()
{
// size_t should be defined in both namespaces
volatile ::size_t size_t_in_top_ns = 0;
volatile ::std::size_t size_t_in_std_ns = 0;
if (sizeof(::size_t) != sizeof(::std::size_t))
{
return false;
}
// ptrdiff_t should be defined in both namespaces
volatile ::ptrdiff_t ptrdiff_t_in_top_ns = 0;
volatile ::std::ptrdiff_t ptrdiff_t_in_std_ns = 0;
if (sizeof(::ptrdiff_t) != sizeof(::std::ptrdiff_t))
{
return false;
}
// NULL is only in the top namespace
volatile int *null_is_defined = NULL;
return true;
}
bool testOffsetOf()
{
#ifndef offsetof
#error "offsetof is not a macro"
#endif
// offsetof is only in the top namespace
volatile size_t offset = offsetof(struct Foo, field2);
return offset == 1;
}
bool testNull()
{
#ifndef NULL
#error "NULL is not a macro"
#endif
// If NULL is void* this will issue a warning.
volatile int null_is_not_void_star = NULL;
return true;
}
} // android namespace
int main(int argc, char **argv)
{
FAIL_UNLESS(testTypesStd);
FAIL_UNLESS(testOffsetOf);
FAIL_UNLESS(testNull);
return kPassed;
}