59 lines · cpp
1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9// <valarray>10 11// template<class T> class valarray;12 13// explicit valarray(size_t);14 15#include <valarray>16#include <cassert>17 18#include "test_macros.h"19 20struct S {21 S() : x(1) {}22 ~S() { ++cnt_dtor; }23 int x;24 static std::size_t cnt_dtor;25};26 27size_t S::cnt_dtor = 0;28 29int main(int, char**)30{31 {32 std::valarray<int> v(100);33 assert(v.size() == 100);34 for (int i = 0; i < 100; ++i)35 assert(v[i] == 0);36 }37 {38 std::valarray<double> v(100);39 assert(v.size() == 100);40 for (int i = 0; i < 100; ++i)41 assert(v[i] == 0);42 }43 {44 std::valarray<std::valarray<double> > v(100);45 assert(v.size() == 100);46 for (int i = 0; i < 100; ++i)47 assert(v[i].size() == 0);48 }49 {50 std::valarray<S> v(100);51 assert(v.size() == 100);52 for (int i = 0; i < 100; ++i)53 assert(v[i].x == 1);54 }55 assert(S::cnt_dtor == 100);56 57 return 0;58}59