66 lines
1.8 KiB
C++
66 lines
1.8 KiB
C++
/*
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* Copyright (C) 2020 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "berberis/base/raw_syscall.h"
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#include <fcntl.h>
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#include <linux/unistd.h>
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#include <stdio.h>
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#include <sys/types.h>
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#include <time.h>
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#include <unistd.h>
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#include "gtest/gtest.h"
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namespace berberis {
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namespace {
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TEST(RawSyscall, SyscallWith0Args) {
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pid_t pid = getpid();
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pid_t ret = RawSyscall(__NR_getpid);
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EXPECT_EQ(ret, pid);
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}
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TEST(RawSyscall, SyscallWith2Args) {
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struct timespec ts;
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long ret;
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ret = clock_gettime(CLOCK_REALTIME, &ts);
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EXPECT_EQ(ret, 0);
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struct timespec ts2;
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ret = RawSyscall(
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__NR_clock_gettime, static_cast<long>(CLOCK_REALTIME), reinterpret_cast<long>(&ts2));
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EXPECT_EQ(ret, 0);
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EXPECT_LE(ts2.tv_sec - ts2.tv_sec, 1)
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<< "clib call and raw call should be within 1 second of each other";
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}
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TEST(RawSyscall, SyscallWith6Args) {
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FILE* file_in = popen("cat /dev/zero", "r");
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int fd_in = fileno(file_in);
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int fd_out = open("/dev/null", O_WRONLY);
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// Equivalent call: splice(fd_in, NULL, fd_out, NULL, 10, 0);
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long bytes_count = RawSyscall(__NR_splice, fd_in, 0, fd_out, 0, 10, 0);
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pclose(file_in);
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close(fd_out);
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EXPECT_EQ(bytes_count, 10);
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}
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} // namespace
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} // namespace berberis
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