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60 lines
1.5 KiB
C++
60 lines
1.5 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <array>
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// template <class T, size_t N> constexpr size_type array<T,N>::size();
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#include <array>
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#include <cassert>
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#include "test_macros.h"
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// std::array is explicitly allowed to be initialized with A a = { init-list };.
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// Disable the missing braces warning for this reason.
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#include "disable_missing_braces_warning.h"
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int main()
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{
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{
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typedef double T;
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typedef std::array<T, 3> C;
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C c = {1, 2, 3.5};
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assert(c.size() == 3);
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assert(c.max_size() == 3);
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assert(!c.empty());
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}
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{
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typedef double T;
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typedef std::array<T, 0> C;
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C c = {};
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assert(c.size() == 0);
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assert(c.max_size() == 0);
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assert(c.empty());
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}
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#if TEST_STD_VER >= 11
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{
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typedef double T;
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typedef std::array<T, 3> C;
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constexpr C c = {1, 2, 3.5};
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static_assert(c.size() == 3, "");
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static_assert(c.max_size() == 3, "");
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static_assert(!c.empty(), "");
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}
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{
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typedef double T;
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typedef std::array<T, 0> C;
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constexpr C c = {};
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static_assert(c.size() == 0, "");
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static_assert(c.max_size() == 0, "");
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static_assert(c.empty(), "");
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}
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#endif
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}
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