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