/* libmisc/tests/test_macro.c - Tests for * * Copyright (C) 2024 Luke T. Shumaker * SPDX-License-Identifier: AGPL-3.0-or-later */ #include #include "test.h" int main() { /* valid down to 0. */ test_assert(LM_NEXT_POWER_OF_2(0) == 1); test_assert(LM_NEXT_POWER_OF_2(1) == 2); test_assert(LM_NEXT_POWER_OF_2(2) == 4); test_assert(LM_NEXT_POWER_OF_2(3) == 4); test_assert(LM_NEXT_POWER_OF_2(4) == 8); test_assert(LM_NEXT_POWER_OF_2(5) == 8); test_assert(LM_NEXT_POWER_OF_2(6) == 8); test_assert(LM_NEXT_POWER_OF_2(7) == 8); test_assert(LM_NEXT_POWER_OF_2(8) == 16); /* ... */ test_assert(LM_NEXT_POWER_OF_2(16) == 32); /* ... */ test_assert(LM_NEXT_POWER_OF_2(0x7000000000000000) == 0x8000000000000000); /* ... */ test_assert(LM_NEXT_POWER_OF_2(0x8000000000000000-1) == 0x8000000000000000); /* Valid up to 0x8000000000000000-1 = (1<<63)-1 */ test_assert(LM_NEXT_POWER_OF_2(0x8000000000000000) == 0); /* :( */ return 0; }