File: size.pass.cpp

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//===----------------------------------------------------------------------===//
//
// 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;

// size_t size() const;

#include <valarray>
#include <cassert>

#include "test_macros.h"

int main(int, char**)
{
    {
        typedef int T;
        T a1[] = {1, 2, 3, 4, 5};
        const unsigned N1 = sizeof(a1)/sizeof(a1[0]);
        std::valarray<T> v1(a1, N1);
        assert(v1.size() == N1);
    }
    {
        typedef int T;
        T a1[] = {1, 2, 3, 4, 5};
        const unsigned N1 = 0;
        std::valarray<T> v1(a1, N1);
        assert(v1.size() == N1);
    }
    {
        typedef int T;
        const unsigned N1 = 0;
        std::valarray<T> v1;
        assert(v1.size() == N1);
    }

  return 0;
}