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Fix PR#35948: generate_n does not accept floating point Size arguments.

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@319675 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Marshall Clow
2017-12-04 18:59:14 +00:00
parent 3156e63e7e
commit aeded2bf6e
2 changed files with 23 additions and 5 deletions
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23
test/std/algorithms/alg.modifying.operations/alg.generate/generate_n.pass.cpp
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@@ -18,29 +18,42 @@
#include <algorithm>
#include <cassert>
#include "test_macros.h"
#include "test_iterators.h"
#include "user_defined_integral.hpp"
typedef UserDefinedIntegral<unsigned> UDI;
struct gen_test
{
int operator()() const {return 2;}
};
template <class Iter>
template <class Iter, class Size>
void
test()
test2()
{
const unsigned n = 4;
int ia[n] = {0};
assert(std::generate_n(Iter(ia), UDI(n), gen_test()) == Iter(ia+n));
assert(std::generate_n(Iter(ia), Size(n), gen_test()) == Iter(ia+n));
assert(ia[0] == 2);
assert(ia[1] == 2);
assert(ia[2] == 2);
assert(ia[3] == 2);
}
template <class Iter>
void
test()
{
test2<Iter, int>();
test2<Iter, unsigned int>();
test2<Iter, long>();
test2<Iter, unsigned long>();
test2<Iter, UserDefinedIntegral<unsigned> >();
test2<Iter, float>();
test2<Iter, double>(); // this is PR#35498
test2<Iter, long double>();
}
int main()
{
test<forward_iterator<int*> >();