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-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 // <valarray> 10 11 // template<class T> class valarray; 12 13 // valarray(); 14 15 #include <valarray> 16 #include <cassert> 17 18 #include "test_macros.h" 19 20 struct S { SS21 S() { ctor_called = true; } 22 static bool ctor_called; 23 }; 24 25 bool S::ctor_called = false; 26 main(int,char **)27int main(int, char**) 28 { 29 { 30 std::valarray<int> v; 31 assert(v.size() == 0); 32 } 33 { 34 std::valarray<float> v; 35 assert(v.size() == 0); 36 } 37 { 38 std::valarray<double> v; 39 assert(v.size() == 0); 40 } 41 { 42 std::valarray<std::valarray<double> > v; 43 assert(v.size() == 0); 44 } 45 { 46 std::valarray<S> v; 47 assert(v.size() == 0); 48 assert(!S::ctor_called); 49 } 50 51 return 0; 52 } 53