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53 lines
1.2 KiB
53 lines
1.2 KiB
4 months ago
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//===----------------------------------------------------------------------===//
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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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// iterator begin();
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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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struct NoDefault {
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NoDefault(int) {}
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};
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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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C::iterator i;
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i = c.begin();
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assert(*i == 1);
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assert(&*i == c.data());
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*i = 5.5;
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assert(c[0] == 5.5);
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}
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{
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typedef NoDefault T;
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typedef std::array<T, 0> C;
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C c = {};
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C::iterator ib, ie;
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ib = c.begin();
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ie = c.end();
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assert(ib == ie);
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LIBCPP_ASSERT(ib != nullptr);
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LIBCPP_ASSERT(ie != nullptr);
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}
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}
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