access.pass.cpp
885 Bytes
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// <valarray>
// template<class T> class valarray;
// value_type& operator[](size_t i);
#include <valarray>
#include <cassert>
#include "test_macros.h"
int main(int, char**)
{
{
typedef int T;
T a[] = {5, 4, 3, 2, 1};
const unsigned N = sizeof(a)/sizeof(a[0]);
std::valarray<T> v(a, N);
for (unsigned i = 0; i < N; ++i)
{
assert(v[i] == a[i]);
v[i] = i;
assert(v[i] == static_cast<int>(i));
}
}
return 0;
}