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 <signal.h>
18
19TEST(LlvmLibcSigdelset, Invalid) {
20 using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Fails;
21 // Invalid set.
22 EXPECT_THAT(LIBC_NAMESPACE::sigdelset(nullptr, SIGUSR1), Fails(EINVAL));
23
24 sigset_t set;
25 // Valid set, invalid signum.
26 EXPECT_THAT(LIBC_NAMESPACE::sigdelset(&set, -1), Fails(EINVAL));
27}
28
29TEST(LlvmLibcSigdelset, UnblockOne) {
30 using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Succeeds;
31 sigset_t set;
32 EXPECT_THAT(LIBC_NAMESPACE::sigfillset(&set), Succeeds());
33 EXPECT_THAT(LIBC_NAMESPACE::sigdelset(&set, SIGUSR1), Succeeds());
34 EXPECT_THAT(LIBC_NAMESPACE::sigprocmask(SIG_SETMASK, &set, nullptr),
35 Succeeds());
36 EXPECT_DEATH([] { LIBC_NAMESPACE::raise(SIGUSR1); }, WITH_SIGNAL(SIGUSR1));
37}
38

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source code of libc/test/src/signal/sigdelset_test.cpp