1 /*
2  * Copyright (C) 2017 The Android Open Source Project
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  *  * Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  *  * Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in
12  *    the documentation and/or other materials provided with the
13  *    distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
18  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
19  * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
22  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
25  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 #include <termios.h>
30 
31 #include <errno.h>
32 
33 #include <gtest/gtest.h>
34 
35 // TODO:
36 // tcdrain
37 // tcflow
38 // tcflush
39 // tcgetattr
40 // tcgetsid
41 // tcsendbreak
42 // tcsetattr
43 
TEST(termios,cfgetispeed_cfsetispeed)44 TEST(termios, cfgetispeed_cfsetispeed) {
45   termios t = {};
46   ASSERT_EQ(0, cfsetispeed(&t, B1200));
47   ASSERT_EQ(static_cast<speed_t>(B1200), cfgetispeed(&t));
48 }
49 
TEST(termios,cfsetispeed_EINVAL)50 TEST(termios, cfsetispeed_EINVAL) {
51   termios t = {};
52   errno = 0;
53   ASSERT_EQ(-1, cfsetispeed(&t, 1200));
54   ASSERT_EQ(EINVAL, errno);
55 }
56 
TEST(termios,cfgetospeed_cfsetospeed)57 TEST(termios, cfgetospeed_cfsetospeed) {
58   termios t = {};
59   ASSERT_EQ(0, cfsetospeed(&t, B1200));
60   ASSERT_EQ(static_cast<speed_t>(B1200), cfgetospeed(&t));
61 }
62 
TEST(termios,cfsetospeed_EINVAL)63 TEST(termios, cfsetospeed_EINVAL) {
64   termios t = {};
65   errno = 0;
66   ASSERT_EQ(-1, cfsetospeed(&t, 1200));
67   ASSERT_EQ(EINVAL, errno);
68 }
69 
TEST(termios,cfsetspeed)70 TEST(termios, cfsetspeed) {
71   termios t = {};
72   ASSERT_EQ(0, cfsetspeed(&t, B1200));
73   ASSERT_EQ(static_cast<speed_t>(B1200), cfgetispeed(&t));
74   ASSERT_EQ(static_cast<speed_t>(B1200), cfgetospeed(&t));
75 }
76 
TEST(termios,cfsetspeed_EINVAL)77 TEST(termios, cfsetspeed_EINVAL) {
78   termios t = {};
79   errno = 0;
80   // glibc seems to allow 1200 as well as B1200 here, presumably for
81   // BSD compatibility (where Bxxx == xxx, unlike Linux).
82   ASSERT_EQ(-1, cfsetspeed(&t, 123));
83   ASSERT_EQ(EINVAL, errno);
84 }
85 
TEST(termios,cfmakeraw)86 TEST(termios, cfmakeraw) {
87   termios t;
88   memset(&t, 0xff, sizeof(t));
89   cfmakeraw(&t);
90 
91   EXPECT_EQ(0U, (t.c_iflag & (IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL|IXON)));
92   EXPECT_EQ(0U, (t.c_oflag & OPOST));
93   EXPECT_EQ(0U, (t.c_lflag & (ECHO|ECHONL|ICANON|ISIG|IEXTEN)));
94   EXPECT_EQ(0U, (t.c_cflag & PARENB));
95   EXPECT_EQ(CS8, static_cast<int>(t.c_cflag & CSIZE));
96   EXPECT_EQ(1, t.c_cc[VMIN]);
97   EXPECT_EQ(0, t.c_cc[VTIME]);
98 }
99