зеркало из https://github.com/mozilla/gecko-dev.git
32 строки
1.3 KiB
C++
32 строки
1.3 KiB
C++
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/Assertions.h"
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#include "mozilla/MacroForEach.h"
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#define HELPER_IDENTITY_PLUS(x) x +
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static_assert(MOZ_FOR_EACH(HELPER_IDENTITY_PLUS, (), (10)) 0 == 10, "");
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static_assert(MOZ_FOR_EACH(HELPER_IDENTITY_PLUS, (), (1, 1, 1)) 0 == 3, "");
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#define HELPER_DEFINE_VAR(x) const int test1_##x = x;
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MOZ_FOR_EACH(HELPER_DEFINE_VAR, (), (10, 20))
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static_assert(test1_10 == 10 && test1_20 == 20, "");
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#define HELPER_DEFINE_VAR2(k, x) const int test2_##x = k + x;
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MOZ_FOR_EACH(HELPER_DEFINE_VAR2, (5,), (10, 20))
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static_assert(test2_10 == 15 && test2_20 == 25, "");
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#define HELPER_IDENTITY_COMMA(k1, k2, x) k1, k2, x,
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int main()
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{
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const int a[] = { MOZ_FOR_EACH(HELPER_IDENTITY_COMMA, (1, 2,), (10, 20, 30)) };
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MOZ_RELEASE_ASSERT(a[0] == 1 && a[1] == 2 && a[2] == 10 &&
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a[3] == 1 && a[4] == 2 && a[5] == 20 &&
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a[6] == 1 && a[7] == 2 && a[8] == 30,
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"MOZ_FOR_EACH args enumerated in incorrect order");
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}
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