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tests: add init_shutdown test for realtek_mst_i2c_spi

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This can catch regressions like the earlier one in this programmer that
caused initialization to always fail. Requires support for mocking POSIX
file I/O functions because the programmer does ioctls on the opened
file.

TEST=ninja test

Signed-off-by: Peter Marheine <pmarheine@chromium.org>
Change-Id: I5a5c617d1ec35d2a3bbe622e5add82a65eb396f0
Reviewed-on: https://review.coreboot.org/c/flashrom/+/56911
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Anastasia Klimchuk <aklm@chromium.org>
Reviewed-by: Edward O'Callaghan <quasisec@chromium.org>
This commit is contained in:
Peter Marheine
2021-08-10 15:38:47 +10:00
committed by Edward O'Callaghan
parent b261bec1ee
commit 47f4c18260
5 changed files with 100 additions and 0 deletions
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54
tests/init_shutdown.c
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@ -209,3 +209,57 @@ void linux_spi_init_and_shutdown_test_success(void **state)
skip();
#endif
}
#define REALTEK_MST_MOCK_FD 0x10ec
static int realtek_mst_open(void *state, const char *pathname, int flags)
{
assert_string_equal(pathname, "/dev/i2c-254");
assert_int_equal(flags & O_RDWR, O_RDWR);
return REALTEK_MST_MOCK_FD;
}
static int realtek_mst_ioctl(void *state, int fd, unsigned long request, va_list args)
{
assert_int_equal(fd, REALTEK_MST_MOCK_FD);
assert_int_equal(request, I2C_SLAVE);
/* Only access to I2C address 0x4a is expected */
unsigned long addr = va_arg(args, unsigned long);
assert_int_equal(addr, 0x4a);
return 0;
}
static int realtek_mst_read(void *state, int fd, void *buf, size_t sz)
{
assert_int_equal(fd, REALTEK_MST_MOCK_FD);
assert_int_equal(sz, 1);
return sz;
}
static int realtek_mst_write(void *state, int fd, const void *buf, size_t sz)
{
assert_int_equal(fd, REALTEK_MST_MOCK_FD);
const LargestIntegralType accepted_sizes[] = {1, 2};
assert_in_set(sz, accepted_sizes, ARRAY_SIZE(accepted_sizes));
return sz;
}
void realtek_mst_init_and_shutdown_test_success(void **state)
{
#if CONFIG_REALTEK_MST_I2C_SPI == 1
const struct io_mock realtek_mst_io = {
.open = realtek_mst_open,
.ioctl = realtek_mst_ioctl,
.read = realtek_mst_read,
.write = realtek_mst_write,
};
io_mock_register(&realtek_mst_io);
run_lifecycle(state, &programmer_realtek_mst_i2c_spi, "bus=254,enter-isp=0");
io_mock_register(NULL);
#else
skip();
#endif /* CONFIG_REALTEK_I2C_SPI */
}