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libcxx/test/std/containers/sequences/vector/vector.data/data.pass.cpp

64 lines
1.6 KiB
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <vector>
// pointer data();
#include <vector>
#include <cassert>
#include "min_allocator.h"
#include "asan_testing.h"
struct Nasty {
Nasty() : i_(0) {}
Nasty(int i) : i_(i) {}
~Nasty() {}
Nasty * operator&() const { assert(false); return nullptr; }
int i_;
};
int main()
{
{
std::vector<int> v;
assert(v.data() == 0);
assert(is_contiguous_container_asan_correct(v));
}
{
std::vector<int> v(100);
assert(v.data() == std::addressof(v.front()));
assert(is_contiguous_container_asan_correct(v));
}
{
std::vector<Nasty> v(100);
assert(v.data() == std::addressof(v.front()));
assert(is_contiguous_container_asan_correct(v));
}
#if TEST_STD_VER >= 11
{
std::vector<int, min_allocator<int>> v;
assert(v.data() == 0);
assert(is_contiguous_container_asan_correct(v));
}
{
std::vector<int, min_allocator<int>> v(100);
assert(v.data() == std::addressof(v.front()));
assert(is_contiguous_container_asan_correct(v));
}
{
std::vector<Nasty, min_allocator<Nasty>> v(100);
assert(v.data() == std::addressof(v.front()));
assert(is_contiguous_container_asan_correct(v));
}
#endif
}