5da96467a9
...and fix the bugs. Also explain why we can't support separate input and output speeds without an ABI change. Luckily no-one is likely to need that anyway, and they can always work around it by using `struct termios2` directly themselves. Bug: http://b/69816452 Test: ran tests Change-Id: Ie08499a198bb6a20d7e5e2f5ff74a60bd53e97e1
98 lines
3 KiB
C++
98 lines
3 KiB
C++
/*
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* Copyright (C) 2017 The Android Open Source Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <termios.h>
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#include <errno.h>
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#include <gtest/gtest.h>
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// TODO:
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// tcdrain
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// tcflow
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// tcflush
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// tcgetattr
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// tcgetsid
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// tcsendbreak
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// tcsetattr
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TEST(termios, cfgetispeed_cfsetispeed) {
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termios t = {};
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ASSERT_EQ(0, cfsetispeed(&t, B1200));
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ASSERT_EQ(static_cast<speed_t>(B1200), cfgetispeed(&t));
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}
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TEST(termios, cfsetispeed_EINVAL) {
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termios t = {};
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errno = 0;
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ASSERT_EQ(-1, cfsetispeed(&t, 1200));
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ASSERT_EQ(EINVAL, errno);
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}
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TEST(termios, cfgetospeed_cfsetospeed) {
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termios t = {};
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ASSERT_EQ(0, cfsetospeed(&t, B1200));
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ASSERT_EQ(static_cast<speed_t>(B1200), cfgetospeed(&t));
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}
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TEST(termios, cfsetospeed_EINVAL) {
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termios t = {};
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errno = 0;
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ASSERT_EQ(-1, cfsetospeed(&t, 1200));
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ASSERT_EQ(EINVAL, errno);
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}
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TEST(termios, cfsetspeed) {
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termios t = {};
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ASSERT_EQ(0, cfsetspeed(&t, B1200));
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ASSERT_EQ(static_cast<speed_t>(B1200), cfgetispeed(&t));
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ASSERT_EQ(static_cast<speed_t>(B1200), cfgetospeed(&t));
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}
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TEST(termios, cfsetspeed_EINVAL) {
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termios t = {};
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errno = 0;
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// glibc seems to allow 1200 as well as B1200 here, presumably for
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// BSD compatibility (where Bxxx == xxx, unlike Linux).
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ASSERT_EQ(-1, cfsetspeed(&t, 123));
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ASSERT_EQ(EINVAL, errno);
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}
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TEST(termios, cfmakeraw) {
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termios t;
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memset(&t, 0xff, sizeof(t));
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cfmakeraw(&t);
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EXPECT_EQ(0U, (t.c_iflag & (IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL|IXON)));
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EXPECT_EQ(0U, (t.c_oflag & OPOST));
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EXPECT_EQ(0U, (t.c_lflag & (ECHO|ECHONL|ICANON|ISIG|IEXTEN)));
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EXPECT_EQ(0U, (t.c_cflag & PARENB));
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EXPECT_EQ(CS8, static_cast<int>(t.c_cflag & CSIZE));
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EXPECT_EQ(1, t.c_cc[VMIN]);
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EXPECT_EQ(0, t.c_cc[VTIME]);
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}
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