cxx/test/numerics/numarray/template.valarray/valarray.members/size.pass.cpp
2010-05-11 21:36:01 +00:00

42 lines
966 B
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <valarray>
// template<class T> class valarray;
// size_t size() const;
#include <valarray>
#include <cassert>
int main()
{
{
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);
}
}