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Diffstat (limited to '')
| -rw-r--r-- | mfbt/tests/TestMacroArgs.cpp | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/mfbt/tests/TestMacroArgs.cpp b/mfbt/tests/TestMacroArgs.cpp new file mode 100644 index 0000000000..097ac9efa3 --- /dev/null +++ b/mfbt/tests/TestMacroArgs.cpp @@ -0,0 +1,38 @@ +/* -*- 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/MacroArgs.h" + +static_assert(MOZ_ARG_COUNT() == 0, ""); +static_assert(MOZ_ARG_COUNT(a) == 1, ""); +static_assert(MOZ_ARG_COUNT(a, b) == 2, ""); +static_assert(MOZ_ARG_COUNT(a, b, c) == 3, ""); + +static_assert(MOZ_PASTE_PREFIX_AND_ARG_COUNT(100) == 1000, ""); +static_assert(MOZ_PASTE_PREFIX_AND_ARG_COUNT(100, a) == 1001, ""); +static_assert(MOZ_PASTE_PREFIX_AND_ARG_COUNT(100, a, b) == 1002, ""); +static_assert(MOZ_PASTE_PREFIX_AND_ARG_COUNT(100, a, b, c) == 1003, ""); + +static_assert(MOZ_PASTE_PREFIX_AND_ARG_COUNT(, a, b, c) == 3, ""); +static_assert(MOZ_PASTE_PREFIX_AND_ARG_COUNT(, a) == 1, ""); +static_assert(MOZ_PASTE_PREFIX_AND_ARG_COUNT(, !a) == 1, ""); +static_assert(MOZ_PASTE_PREFIX_AND_ARG_COUNT(, (a, b)) == 1, ""); + +static_assert(MOZ_PASTE_PREFIX_AND_ARG_COUNT(, MOZ_ARGS_AFTER_1(a, b, c)) == 2, + "MOZ_ARGS_AFTER_1(a, b, c) should expand to 'b, c'"); +static_assert(MOZ_ARGS_AFTER_2(a, b, 3) == 3, + "MOZ_ARGS_AFTER_2(a, b, 3) should expand to '3'"); + +static_assert(MOZ_ARG_1(10, 20, 30, 40, 50, 60, 70, 80, 90) == 10, ""); +static_assert(MOZ_ARG_2(10, 20, 30, 40, 50, 60, 70, 80, 90) == 20, ""); +static_assert(MOZ_ARG_3(10, 20, 30, 40, 50, 60, 70, 80, 90) == 30, ""); +static_assert(MOZ_ARG_4(10, 20, 30, 40, 50, 60, 70, 80, 90) == 40, ""); +static_assert(MOZ_ARG_5(10, 20, 30, 40, 50, 60, 70, 80, 90) == 50, ""); +static_assert(MOZ_ARG_6(10, 20, 30, 40, 50, 60, 70, 80, 90) == 60, ""); +static_assert(MOZ_ARG_7(10, 20, 30, 40, 50, 60, 70, 80, 90) == 70, ""); +static_assert(MOZ_ARG_8(10, 20, 30, 40, 50, 60, 70, 80, 90) == 80, ""); + +int main() { return 0; } |