1 //===-- Unittests for signal ----------------------------------------------===// 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/errno/libc_errno.h" 10 #include "src/signal/raise.h" 11 #include "src/signal/signal.h" 12 13 #include "test/UnitTest/ErrnoSetterMatcher.h" 14 #include "test/UnitTest/Test.h" 15 16 #include "hdr/types/sighandler_t.h" 17 18 using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Fails; 19 using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Succeeds; 20 21 TEST(LlvmLibcSignal, Invalid) { 22 LIBC_NAMESPACE::libc_errno = 0; 23 sighandler_t valid = +[](int) {}; 24 EXPECT_THAT((void *)LIBC_NAMESPACE::signal(0, valid), 25 Fails(EINVAL, (void *)SIG_ERR)); 26 EXPECT_THAT((void *)LIBC_NAMESPACE::signal(65, valid), 27 Fails(EINVAL, (void *)SIG_ERR)); 28 } 29 30 static int sum; 31 TEST(LlvmLibcSignal, Basic) { 32 // In case test get run multiple times. 33 sum = 0; 34 ASSERT_NE(LIBC_NAMESPACE::signal( 35 SIGUSR1, +[](int) { sum++; }), 36 SIG_ERR); 37 ASSERT_THAT(LIBC_NAMESPACE::raise(SIGUSR1), Succeeds()); 38 EXPECT_EQ(sum, 1); 39 for (int i = 0; i < 10; i++) 40 ASSERT_THAT(LIBC_NAMESPACE::raise(SIGUSR1), Succeeds()); 41 EXPECT_EQ(sum, 11); 42 } 43