File: assign_value.pass.cpp

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//===----------------------------------------------------------------------===//
//
//                     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.
//
//===----------------------------------------------------------------------===//

// <valarray>

// template <class T> class slice_array

// void operator=(const value_type& x) const;

#include <valarray>
#include <cassert>

int main()
{
    int a1[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15};
    std::valarray<int> v1(a1, sizeof(a1)/sizeof(a1[0]));
    v1[std::slice(1, 5, 3)] = 20;
    assert(v1.size() == 16);
    assert(v1[ 0] ==  0);
    assert(v1[ 1] == 20);
    assert(v1[ 2] ==  2);
    assert(v1[ 3] ==  3);
    assert(v1[ 4] == 20);
    assert(v1[ 5] ==  5);
    assert(v1[ 6] ==  6);
    assert(v1[ 7] == 20);
    assert(v1[ 8] ==  8);
    assert(v1[ 9] ==  9);
    assert(v1[10] == 20);
    assert(v1[11] == 11);
    assert(v1[12] == 12);
    assert(v1[13] == 20);
    assert(v1[14] == 14);
    assert(v1[15] == 15);
}