mfbt/tests/TestMacroForEach.cpp@b8a032363ba2 (annotated)
mfbt/tests/TestMacroForEach.cpp
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* vim: set ts=8 sts=2 et sw=2 tw=80: */ |
| michael@0 | 3 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 4 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 5 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 6 | |
| michael@0 | 7 | #include "mozilla/Assertions.h" |
| michael@0 | 8 | #include "mozilla/MacroForEach.h" |
| michael@0 | 9 | |
| michael@0 | 10 | #define HELPER_IDENTITY_PLUS(x) x + |
| michael@0 | 11 | static_assert(MOZ_FOR_EACH(HELPER_IDENTITY_PLUS, (), (10)) 0 == 10, ""); |
| michael@0 | 12 | static_assert(MOZ_FOR_EACH(HELPER_IDENTITY_PLUS, (), (1, 1, 1)) 0 == 3, ""); |
| michael@0 | 13 | |
| michael@0 | 14 | #define HELPER_DEFINE_VAR(x) const int test1_##x = x; |
| michael@0 | 15 | MOZ_FOR_EACH(HELPER_DEFINE_VAR, (), (10, 20)) |
| michael@0 | 16 | static_assert(test1_10 == 10 && test1_20 == 20, ""); |
| michael@0 | 17 | |
| michael@0 | 18 | #define HELPER_DEFINE_VAR2(k, x) const int test2_##x = k + x; |
| michael@0 | 19 | MOZ_FOR_EACH(HELPER_DEFINE_VAR2, (5,), (10, 20)) |
| michael@0 | 20 | static_assert(test2_10 == 15 && test2_20 == 25, ""); |
| michael@0 | 21 | |
| michael@0 | 22 | #define HELPER_IDENTITY_COMMA(k1, k2, x) k1, k2, x, |
| michael@0 | 23 | |
| michael@0 | 24 | int main() |
| michael@0 | 25 | { |
| michael@0 | 26 | const int a[] = { MOZ_FOR_EACH(HELPER_IDENTITY_COMMA, (1, 2,), (10, 20, 30)) }; |
| michael@0 | 27 | MOZ_RELEASE_ASSERT(a[0] == 1 && a[1] == 2 && a[2] == 10 && |
| michael@0 | 28 | a[3] == 1 && a[4] == 2 && a[5] == 20 && |
| michael@0 | 29 | a[6] == 1 && a[7] == 2 && a[8] == 30, |
| michael@0 | 30 | "MOZ_FOR_EACH args enumerated in incorrect order"); |
| michael@0 | 31 | } |
