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Clean up the tests for free data(), size() and empty()

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@318313 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Marshall Clow
2017-11-15 17:47:09 +00:00
parent b981667776
commit 37b5a6b495
3 changed files with 28 additions and 24 deletions
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16
test/std/iterators/iterator.container/empty.pass.cpp
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@@ -7,17 +7,13 @@
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++98, c++03, c++11, c++14
// <iterator>
// template <class C> constexpr auto empty(const C& c) -> decltype(c.empty()); // C++17
// template <class T, size_t N> constexpr bool empty(const T (&array)[N]) noexcept; // C++17
// template <class E> constexpr bool empty(initializer_list<E> il) noexcept; // C++17
#include "test_macros.h"
#if TEST_STD_VER <= 14
int main () {}
#else
#include <iterator>
#include <cassert>
#include <vector>
@@ -25,9 +21,12 @@ int main () {}
#include <list>
#include <initializer_list>
#include "test_macros.h"
template<typename C>
void test_const_container( const C& c )
{
// Can't say noexcept here because the container might not be
assert ( std::empty(c) == c.empty());
}
@@ -40,18 +39,21 @@ void test_const_container( const std::initializer_list<T>& c )
template<typename C>
void test_container( C& c )
{
// Can't say noexcept here because the container might not be
assert ( std::empty(c) == c.empty());
}
template<typename T>
void test_container( std::initializer_list<T>& c )
{
ASSERT_NOEXCEPT(std::empty(c));
assert ( std::empty(c) == (c.size() == 0));
}
template<typename T, size_t Sz>
void test_const_array( const T (&array)[Sz] )
{
ASSERT_NOEXCEPT(std::empty(array));
assert (!std::empty(array));
}
@@ -75,5 +77,3 @@ int main()
static constexpr int arrA [] { 1, 2, 3 };
test_const_array ( arrA );
}
#endif