TestMacroArgs.cpp (1930B)
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/. */ 6 7 #include "mozilla/MacroArgs.h" 8 9 static_assert(MOZ_ARG_COUNT() == 0, ""); 10 static_assert(MOZ_ARG_COUNT(a) == 1, ""); 11 static_assert(MOZ_ARG_COUNT(a, b) == 2, ""); 12 static_assert(MOZ_ARG_COUNT(a, b, c) == 3, ""); 13 14 static_assert(MOZ_PASTE_PREFIX_AND_ARG_COUNT(100) == 1000, ""); 15 static_assert(MOZ_PASTE_PREFIX_AND_ARG_COUNT(100, a) == 1001, ""); 16 static_assert(MOZ_PASTE_PREFIX_AND_ARG_COUNT(100, a, b) == 1002, ""); 17 static_assert(MOZ_PASTE_PREFIX_AND_ARG_COUNT(100, a, b, c) == 1003, ""); 18 19 static_assert(MOZ_PASTE_PREFIX_AND_ARG_COUNT(, a, b, c) == 3, ""); 20 static_assert(MOZ_PASTE_PREFIX_AND_ARG_COUNT(, a) == 1, ""); 21 static_assert(MOZ_PASTE_PREFIX_AND_ARG_COUNT(, !a) == 1, ""); 22 static_assert(MOZ_PASTE_PREFIX_AND_ARG_COUNT(, (a, b)) == 1, ""); 23 24 static_assert(MOZ_PASTE_PREFIX_AND_ARG_COUNT(, MOZ_ARGS_AFTER_1(a, b, c)) == 2, 25 "MOZ_ARGS_AFTER_1(a, b, c) should expand to 'b, c'"); 26 static_assert(MOZ_ARGS_AFTER_2(a, b, 3) == 3, 27 "MOZ_ARGS_AFTER_2(a, b, 3) should expand to '3'"); 28 29 static_assert(MOZ_ARG_1(10, 20, 30, 40, 50, 60, 70, 80, 90) == 10, ""); 30 static_assert(MOZ_ARG_2(10, 20, 30, 40, 50, 60, 70, 80, 90) == 20, ""); 31 static_assert(MOZ_ARG_3(10, 20, 30, 40, 50, 60, 70, 80, 90) == 30, ""); 32 static_assert(MOZ_ARG_4(10, 20, 30, 40, 50, 60, 70, 80, 90) == 40, ""); 33 static_assert(MOZ_ARG_5(10, 20, 30, 40, 50, 60, 70, 80, 90) == 50, ""); 34 static_assert(MOZ_ARG_6(10, 20, 30, 40, 50, 60, 70, 80, 90) == 60, ""); 35 static_assert(MOZ_ARG_7(10, 20, 30, 40, 50, 60, 70, 80, 90) == 70, ""); 36 static_assert(MOZ_ARG_8(10, 20, 30, 40, 50, 60, 70, 80, 90) == 80, ""); 37 38 int main() { return 0; }