libc/test/src/signal/sigfillset_test.cpp

   1 //===-- Unittests for sigfillset ------------------------------------------===//
   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/sigfillset.h"
  11 #include "src/signal/sigprocmask.h"
  12
  13 #include "test/UnitTest/ErrnoSetterMatcher.h"
  14 #include "test/UnitTest/Test.h"
  15
  16 #include <errno.h>
  17 #include <signal.h>
  18
  19 TEST(LlvmLibcSigfillset, Invalid) {
  20   using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Fails;
  21   EXPECT_THAT(LIBC_NAMESPACE::sigfillset(nullptr), Fails(EINVAL));
  22 }
  23
  24 TEST(LlvmLibcSigfillset, BlocksAll) {
  25   using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Succeeds;
  26   sigset_t set;
  27   EXPECT_THAT(LIBC_NAMESPACE::sigfillset(&set), Succeeds());
  28   EXPECT_THAT(LIBC_NAMESPACE::sigprocmask(SIG_SETMASK, &set, nullptr),
  29               Succeeds());
  30   EXPECT_EXITS([] { LIBC_NAMESPACE::raise(SIGUSR1); }, 0);
  31 }