forked from mirror/libcxx
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
53 lines
1.2 KiB
C++
53 lines
1.2 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.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// <array>
|
|
|
|
// iterator begin();
|
|
|
|
#include <array>
|
|
#include <cassert>
|
|
|
|
#include "test_macros.h"
|
|
|
|
// std::array is explicitly allowed to be initialized with A a = { init-list };.
|
|
// Disable the missing braces warning for this reason.
|
|
#include "disable_missing_braces_warning.h"
|
|
|
|
struct NoDefault {
|
|
NoDefault(int) {}
|
|
};
|
|
|
|
|
|
int main()
|
|
{
|
|
{
|
|
typedef double T;
|
|
typedef std::array<T, 3> C;
|
|
C c = {1, 2, 3.5};
|
|
C::iterator i;
|
|
i = c.begin();
|
|
assert(*i == 1);
|
|
assert(&*i == c.data());
|
|
*i = 5.5;
|
|
assert(c[0] == 5.5);
|
|
}
|
|
{
|
|
typedef NoDefault T;
|
|
typedef std::array<T, 0> C;
|
|
C c = {};
|
|
C::iterator ib, ie;
|
|
ib = c.begin();
|
|
ie = c.end();
|
|
assert(ib == ie);
|
|
LIBCPP_ASSERT(ib != nullptr);
|
|
LIBCPP_ASSERT(ie != nullptr);
|
|
}
|
|
}
|