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 using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Fails;
17 using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Succeeds;
18
TEST(LlvmLibcSignal,Invalid)19 TEST(LlvmLibcSignal, Invalid) {
20 LIBC_NAMESPACE::libc_errno = 0;
21 auto *valid = +[](int) {};
22 EXPECT_THAT((void *)LIBC_NAMESPACE::signal(0, valid),
23 Fails(EINVAL, (void *)SIG_ERR));
24 EXPECT_THAT((void *)LIBC_NAMESPACE::signal(65, valid),
25 Fails(EINVAL, (void *)SIG_ERR));
26 }
27
28 static int sum;
TEST(LlvmLibcSignal,Basic)29 TEST(LlvmLibcSignal, Basic) {
30 // In case test get run multiple times.
31 sum = 0;
32 ASSERT_NE(LIBC_NAMESPACE::signal(
33 SIGUSR1, +[](int) { sum++; }),
34 SIG_ERR);
35 ASSERT_THAT(LIBC_NAMESPACE::raise(SIGUSR1), Succeeds());
36 EXPECT_EQ(sum, 1);
37 for (int i = 0; i < 10; i++)
38 ASSERT_THAT(LIBC_NAMESPACE::raise(SIGUSR1), Succeeds());
39 EXPECT_EQ(sum, 11);
40 }
41