1 //===-- Unittests for sigdelset -------------------------------------------===//
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-exception
6 //
7 //===----------------------------------------------------------------------===//
8
9 #include "src/signal/raise.h"
10 #include "src/signal/sigdelset.h"
11 #include "src/signal/sigfillset.h"
12 #include "src/signal/sigprocmask.h"
13
14 #include "test/UnitTest/ErrnoSetterMatcher.h"
15 #include "test/UnitTest/Test.h"
16
17 #include <errno.h>
18 #include <signal.h>
19
TEST(LlvmLibcSigdelset,Invalid)20 TEST(LlvmLibcSigdelset, Invalid) {
21 using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Fails;
22 // Invalid set.
23 EXPECT_THAT(LIBC_NAMESPACE::sigdelset(nullptr, SIGUSR1), Fails(EINVAL));
24
25 sigset_t set;
26 // Valid set, invalid signum.
27 EXPECT_THAT(LIBC_NAMESPACE::sigdelset(&set, -1), Fails(EINVAL));
28 }
29
TEST(LlvmLibcSigdelset,UnblockOne)30 TEST(LlvmLibcSigdelset, UnblockOne) {
31 using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Succeeds;
32 sigset_t set;
33 EXPECT_THAT(LIBC_NAMESPACE::sigfillset(&set), Succeeds());
34 EXPECT_THAT(LIBC_NAMESPACE::sigdelset(&set, SIGUSR1), Succeeds());
35 EXPECT_THAT(LIBC_NAMESPACE::sigprocmask(SIG_SETMASK, &set, nullptr),
36 Succeeds());
37 EXPECT_DEATH([] { LIBC_NAMESPACE::raise(SIGUSR1); }, WITH_SIGNAL(SIGUSR1));
38 }
39