1//===-- Unittests for a bunch of functions in termios.h -------------------===//
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/__support/libc_errno.h"
10#include "src/fcntl/open.h"
11#include "src/termios/cfgetispeed.h"
12#include "src/termios/cfgetospeed.h"
13#include "src/termios/cfsetispeed.h"
14#include "src/termios/cfsetospeed.h"
15#include "src/termios/tcgetattr.h"
16#include "src/termios/tcgetsid.h"
17#include "src/termios/tcsetattr.h"
18#include "src/unistd/close.h"
19#include "test/UnitTest/ErrnoSetterMatcher.h"
20#include "test/UnitTest/Test.h"
21
22#include <termios.h>
23
24using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Fails;
25using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Succeeds;
26
27// We just list a bunch of smoke tests here as it is not possible to
28// test functionality at the least because we want to run the tests
29// from ninja/make which change the terminal behavior.
30
31TEST(LlvmLibcTermiosTest, SpeedSmokeTest) {
32 struct termios t;
33 libc_errno = 0;
34 ASSERT_THAT(LIBC_NAMESPACE::cfsetispeed(&t, B50), Succeeds(0));
35 ASSERT_EQ(LIBC_NAMESPACE::cfgetispeed(&t), speed_t(B50));
36 ASSERT_THAT(LIBC_NAMESPACE::cfsetospeed(&t, B75), Succeeds(0));
37 ASSERT_EQ(LIBC_NAMESPACE::cfgetospeed(&t), speed_t(B75));
38
39 libc_errno = 0;
40 ASSERT_THAT(LIBC_NAMESPACE::cfsetispeed(&t, ~CBAUD), Fails(EINVAL));
41 libc_errno = 0;
42 ASSERT_THAT(LIBC_NAMESPACE::cfsetospeed(&t, ~CBAUD), Fails(EINVAL));
43}
44
45TEST(LlvmLibcTermiosTest, GetAttrSmokeTest) {
46 struct termios t;
47 libc_errno = 0;
48 int fd = LIBC_NAMESPACE::open("/dev/tty", O_RDONLY);
49 if (fd < 0)
50 return; // When /dev/tty is not available, no point continuing.
51 ASSERT_ERRNO_SUCCESS();
52 ASSERT_THAT(LIBC_NAMESPACE::tcgetattr(fd, &t), Succeeds(0));
53 ASSERT_EQ(LIBC_NAMESPACE::close(fd), 0);
54}
55
56TEST(LlvmLibcTermiosTest, TcGetSidSmokeTest) {
57 libc_errno = 0;
58 int fd = LIBC_NAMESPACE::open("/dev/tty", O_RDONLY);
59 if (fd < 0)
60 return; // When /dev/tty is not available, no point continuing.
61 ASSERT_ERRNO_SUCCESS();
62 ASSERT_GT(LIBC_NAMESPACE::tcgetsid(fd), pid_t(0));
63 ASSERT_EQ(LIBC_NAMESPACE::close(fd), 0);
64}
65

source code of libc/test/src/termios/termios_test.cpp