1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
3 /* This Source Code Form is subject to the terms of the Mozilla Public
4 * License, v. 2.0. If a copy of the MPL was not distributed with this
5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
7 #include "mozilla/Assertions.h"
8 #include "mozilla/MacroForEach.h"
10 #define HELPER_IDENTITY(x) x
11 #define HELPER_IDENTITY_PLUS(x) x +
12 static_assert(MOZ_FOR_EACH(HELPER_IDENTITY_PLUS
, (), (10)) 0 == 10, "");
13 static_assert(MOZ_FOR_EACH(HELPER_IDENTITY_PLUS
, (), (1, 1, 1)) 0 == 3, "");
14 static_assert(MOZ_FOR_EACH_SEPARATED(HELPER_IDENTITY
, (+), (), (10)) == 10, "");
15 static_assert(MOZ_FOR_EACH_SEPARATED(HELPER_IDENTITY
, (+), (), (1, 1, 1)) == 3,
18 #define HELPER_ONE_PLUS(x) HELPER_IDENTITY_PLUS(1)
19 static_assert(MOZ_FOR_EACH(HELPER_ONE_PLUS
, (), ()) 0 == 0, "");
21 #define HELPER_DEFINE_VAR(x) const int test1_##x = x;
22 MOZ_FOR_EACH(HELPER_DEFINE_VAR
, (), (10, 20))
23 static_assert(test1_10
== 10 && test1_20
== 20, "");
25 #define HELPER_DEFINE_VAR2(k, x) const int test2_##x = k + x;
26 MOZ_FOR_EACH(HELPER_DEFINE_VAR2
, (5, ), (10, 20))
27 static_assert(test2_10
== 15 && test2_20
== 25, "");
29 #define HELPER_DEFINE_PARAM(t, n) t n
30 constexpr int test(MOZ_FOR_EACH_SEPARATED(HELPER_DEFINE_PARAM
, (, ), (int, ),
34 static_assert(test(1, 2, 3) == 6, "");
37 #define HELPER_IDENTITY_COMMA(k1, k2, x) k1, k2, x,
38 const int a
[] = {MOZ_FOR_EACH(HELPER_IDENTITY_COMMA
, (1, 2, ), (10, 20, 30))};
39 MOZ_RELEASE_ASSERT(a
[0] == 1 && a
[1] == 2 && a
[2] == 10 && a
[3] == 1 &&
40 a
[4] == 2 && a
[5] == 20 && a
[6] == 1 && a
[7] == 2 &&
42 "MOZ_FOR_EACH args enumerated in incorrect order");