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//===-- Unittests for signal ----------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "src/errno/libc_errno.h"
#include "src/signal/raise.h"
#include "src/signal/signal.h"
#include "test/UnitTest/ErrnoSetterMatcher.h"
#include "test/UnitTest/Test.h"
#include <signal.h>
using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Fails;
using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Succeeds;
TEST(LlvmLibcSignal, Invalid) {
libc_errno = 0;
LIBC_NAMESPACE::sighandler_t valid = +[](int) {};
EXPECT_THAT((void *)LIBC_NAMESPACE::signal(0, valid),
Fails(EINVAL, (void *)SIG_ERR));
EXPECT_THAT((void *)LIBC_NAMESPACE::signal(65, valid),
Fails(EINVAL, (void *)SIG_ERR));
}
static int sum;
TEST(LlvmLibcSignal, Basic) {
// In case test get run multiple times.
sum = 0;
ASSERT_NE(LIBC_NAMESPACE::signal(
SIGUSR1, +[](int) { sum++; }),
SIG_ERR);
ASSERT_THAT(LIBC_NAMESPACE::raise(SIGUSR1), Succeeds());
EXPECT_EQ(sum, 1);
for (int i = 0; i < 10; i++)
ASSERT_THAT(LIBC_NAMESPACE::raise(SIGUSR1), Succeeds());
EXPECT_EQ(sum, 11);
}
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