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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2018, STMicroelectronics
*/
#include <common.h>
#include <log.h>
#include <serial.h>
#include <dm.h>
#include <asm/serial.h>
#include <dm/test.h>
#include <test/test.h>
#include <test/ut.h>
static const char test_message[] =
"This is a test message\n"
"consisting of multiple lines\n";
static int dm_test_serial(struct unit_test_state *uts)
{
int i;
struct serial_device_info info_serial = {0};
struct udevice *dev_serial;
size_t start, putc_written;
uint value_serial;
ut_assertok(uclass_get_device_by_name(UCLASS_SERIAL, "serial",
&dev_serial));
ut_assertok(serial_tstc());
ut_asserteq(115200, fetch_baud_from_dtb());
/*
* test with default config which is the only one supported by
* sandbox_serial driver
*/
ut_assertok(serial_setconfig(dev_serial, SERIAL_DEFAULT_CONFIG));
ut_assertok(serial_getconfig(dev_serial, &value_serial));
ut_assert(value_serial == SERIAL_DEFAULT_CONFIG);
ut_assertok(serial_getinfo(dev_serial, &info_serial));
ut_assert(info_serial.type == SERIAL_CHIP_UNKNOWN);
ut_assert(info_serial.addr == SERIAL_DEFAULT_ADDRESS);
ut_assert(info_serial.clock == SERIAL_DEFAULT_CLOCK);
/*
* test with a parameter which is NULL pointer
*/
ut_asserteq(-EINVAL, serial_getconfig(dev_serial, NULL));
ut_asserteq(-EINVAL, serial_getinfo(dev_serial, NULL));
/*
* test with a serial config which is not supported by
* sandbox_serial driver: test with wrong parity
*/
ut_asserteq(-ENOTSUPP,
serial_setconfig(dev_serial,
SERIAL_CONFIG(SERIAL_PAR_ODD,
SERIAL_8_BITS,
SERIAL_ONE_STOP)));
/*
* test with a serial config which is not supported by
* sandbox_serial driver: test with wrong bits number
*/
ut_asserteq(-ENOTSUPP,
serial_setconfig(dev_serial,
SERIAL_CONFIG(SERIAL_PAR_NONE,
SERIAL_6_BITS,
SERIAL_ONE_STOP)));
/*
* test with a serial config which is not supported by
* sandbox_serial driver: test with wrong stop bits number
*/
ut_asserteq(-ENOTSUPP,
serial_setconfig(dev_serial,
SERIAL_CONFIG(SERIAL_PAR_NONE,
SERIAL_8_BITS,
SERIAL_TWO_STOP)));
/* Verify that putc and puts print the same number of characters */
sandbox_serial_endisable(false);
start = sandbox_serial_written();
for (i = 0; i < sizeof(test_message) - 1; i++)
serial_putc(test_message[i]);
putc_written = sandbox_serial_written();
serial_puts(test_message);
sandbox_serial_endisable(true);
ut_asserteq(putc_written - start,
sandbox_serial_written() - putc_written);
return 0;
}
DM_TEST(dm_test_serial, UT_TESTF_SCAN_FDT);
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