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/errno/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 | |
24 | using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Fails; |
25 | using 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 | |
31 | TEST(LlvmLibcTermiosTest, SpeedSmokeTest) { |
32 | struct termios t; |
33 | LIBC_NAMESPACE::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_NAMESPACE::libc_errno = 0; |
40 | ASSERT_THAT(LIBC_NAMESPACE::cfsetispeed(&t, ~CBAUD), Fails(EINVAL)); |
41 | LIBC_NAMESPACE::libc_errno = 0; |
42 | ASSERT_THAT(LIBC_NAMESPACE::cfsetospeed(&t, ~CBAUD), Fails(EINVAL)); |
43 | } |
44 | |
45 | TEST(LlvmLibcTermiosTest, GetAttrSmokeTest) { |
46 | struct termios t; |
47 | LIBC_NAMESPACE::libc_errno = 0; |
48 | int fd = LIBC_NAMESPACE::open(path: "/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 | |
56 | TEST(LlvmLibcTermiosTest, TcGetSidSmokeTest) { |
57 | LIBC_NAMESPACE::libc_errno = 0; |
58 | int fd = LIBC_NAMESPACE::open(path: "/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 | |