73 lines
2.2 KiB
C++
73 lines
2.2 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// <array>
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// bool operator==(array<T, N> const&, array<T, N> const&);
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// bool operator!=(array<T, N> const&, array<T, N> const&);
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// bool operator<(array<T, N> const&, array<T, N> const&);
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// bool operator<=(array<T, N> const&, array<T, N> const&);
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// bool operator>(array<T, N> const&, array<T, N> const&);
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// bool operator>=(array<T, N> const&, array<T, N> const&);
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#include <array>
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#include <vector>
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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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template <class Array>
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void test_compare(const Array& LHS, const Array& RHS) {
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typedef std::vector<typename Array::value_type> Vector;
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const Vector LHSV(LHS.begin(), LHS.end());
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const Vector RHSV(RHS.begin(), RHS.end());
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assert((LHS == RHS) == (LHSV == RHSV));
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assert((LHS != RHS) == (LHSV != RHSV));
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assert((LHS < RHS) == (LHSV < RHSV));
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assert((LHS <= RHS) == (LHSV <= RHSV));
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assert((LHS > RHS) == (LHSV > RHSV));
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assert((LHS >= RHS) == (LHSV >= RHSV));
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}
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template <int Dummy> struct NoCompare {};
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int main(int, char**)
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{
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{
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typedef NoCompare<0> T;
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typedef std::array<T, 3> C;
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C c1 = {{}};
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// expected-error@algorithm:* 2 {{invalid operands to binary expression}}
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TEST_IGNORE_NODISCARD (c1 == c1);
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TEST_IGNORE_NODISCARD (c1 < c1);
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}
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{
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typedef NoCompare<1> T;
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typedef std::array<T, 3> C;
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C c1 = {{}};
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// expected-error@algorithm:* 2 {{invalid operands to binary expression}}
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TEST_IGNORE_NODISCARD (c1 != c1);
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TEST_IGNORE_NODISCARD (c1 > c1);
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}
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{
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typedef NoCompare<2> T;
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typedef std::array<T, 0> C;
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C c1 = {{}};
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// expected-error@algorithm:* 2 {{invalid operands to binary expression}}
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TEST_IGNORE_NODISCARD (c1 == c1);
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TEST_IGNORE_NODISCARD (c1 < c1);
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}
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return 0;
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}
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