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// { dg-options "-D_GLIBCXX_ASSERTIONS" }
// { dg-do run }
#include <valarray>
#include <testsuite_hooks.h>
using std::valarray;
template<typename T>
bool equal(const valarray<T>& lhs, const valarray<T>& rhs)
{
if (lhs.size() != rhs.size())
return false;
for (unsigned i = 0; i < lhs.size(); ++i)
if (lhs[i] != rhs[i])
return false;
return true;
}
// Taken from examples in C++11 [valarray.sub].
void
test01() // valarray<T> operator[](const valarray<bool>& boolarr) const;
{
const valarray<char> v0("abcdefghijklmnop", 16);
const bool vb[] = {false, false, true, true, false, true};
valarray<char> v1 = v0[valarray<bool>(vb, 6)];
VERIFY( equal(v1, valarray<char>("cdf", 3)) );
}
void
test02() // mask_array<T> operator[](const valarray<bool>& boolarr);
{
valarray<char> v0("abcdefghijklmnop", 16);
valarray<char> v1("ABC", 3);
const bool vb[] = {false, false, true, true, false, true};
v0[valarray<bool>(vb, 6)] = v1;
VERIFY( equal(v0, valarray<char>("abABeCghijklmnop", 16)) );
}
int main()
{
test01();
test02();
}
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