34 lines · cpp
1//===-- Unittests for sigaddset -------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#include "src/signal/sigaddset.h"10 11#include "test/UnitTest/ErrnoSetterMatcher.h"12#include "test/UnitTest/Test.h"13 14#include <signal.h>15 16// This tests invalid inputs and ensures errno is properly set.17TEST(LlvmLibcSignalTest, SigaddsetInvalid) {18 using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Fails;19 using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Succeeds;20 EXPECT_THAT(LIBC_NAMESPACE::sigaddset(nullptr, SIGSEGV), Fails(EINVAL));21 22 sigset_t sigset;23 EXPECT_THAT(LIBC_NAMESPACE::sigaddset(&sigset, -1), Fails(EINVAL));24 25 // This doesn't use NSIG because LIBC_NAMESPACE::sigaddset error checking is26 // against sizeof(sigset_t) not NSIG.27 constexpr int bitsInSigsetT = 8 * sizeof(sigset_t);28 29 EXPECT_THAT(LIBC_NAMESPACE::sigaddset(&sigset, bitsInSigsetT + 1),30 Fails(EINVAL));31 EXPECT_THAT(LIBC_NAMESPACE::sigaddset(&sigset, 0), Fails(EINVAL));32 EXPECT_THAT(LIBC_NAMESPACE::sigaddset(&sigset, bitsInSigsetT), Succeeds());33}34