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test_compareandwrite_dpofua: Fix this test

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Initialize the buffer with data from the medium to avoid to
trigger a miscompare and double the compareandwrite() xferlen
argument.

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
This commit is contained in:
Bart Van Assche
2015-04-21 14:10:48 +02:00
committed by Ronnie Sahlberg
parent 39c4322c99
commit fbc87ab12f
1 changed files with 17 additions and 8 deletions
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25
test-tool/test_compareandwrite_dpofua.c
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@@ -33,7 +33,7 @@ test_compareandwrite_dpofua(void)
struct scsi_mode_sense *ms;
struct scsi_task *rso_task = NULL;
struct scsi_report_supported_op_codes_one_command *rsoc;
unsigned char *buf = alloca(block_size);
unsigned char *buf = alloca(2 * block_size);
logging(LOG_VERBOSE, LOG_BLANK_LINE);
logging(LOG_VERBOSE, "Test COMPAREANDWRITE DPO/FUA flags");
@@ -51,6 +51,16 @@ test_compareandwrite_dpofua(void)
dpofua = ms && (ms->device_specific_parameter & 0x10);
scsi_free_scsi_task(ms_task);
logging(LOG_VERBOSE, "Read the first block");
ret = read10(sd, NULL, 0, block_size,
block_size, 0, 0, 0, 0, 0, buf,
EXPECT_STATUS_GOOD);
CU_ASSERT_EQUAL(ret, 0);
if (ret == 0)
memcpy(buf + block_size, buf, block_size);
else
memset(buf, 0xa6, 2 * block_size);
if (dpofua) {
logging(LOG_VERBOSE, "DPOFUA flag is set. Device should allow "
"DPO/FUA flags in CDBs");
@@ -60,14 +70,13 @@ test_compareandwrite_dpofua(void)
}
logging(LOG_VERBOSE, "Test COMPAREANDWRITE with DPO==1");
memset(buf, 0xa6, block_size);
if (dpofua) {
ret = compareandwrite(sd, 0, buf, block_size,
ret = compareandwrite(sd, 0, buf, 2 * block_size,
block_size, 0, 1, 0, 0,
EXPECT_STATUS_GOOD);
CU_ASSERT_EQUAL(ret, 0);
} else {
ret = compareandwrite(sd, 0, buf, block_size,
ret = compareandwrite(sd, 0, buf, 2 * block_size,
block_size, 0, 1, 0, 0,
EXPECT_INVALID_FIELD_IN_CDB);
CU_ASSERT_EQUAL(ret, 0);
@@ -75,12 +84,12 @@ test_compareandwrite_dpofua(void)
logging(LOG_VERBOSE, "Test COMPAREANDWRITE with FUA==1");
if (dpofua) {
ret = compareandwrite(sd, 0, buf, block_size,
ret = compareandwrite(sd, 0, buf, 2 * block_size,
block_size, 0, 0, 1, 0,
EXPECT_STATUS_GOOD);
CU_ASSERT_EQUAL(ret, 0);
} else {
ret = compareandwrite(sd, 0, buf, block_size,
ret = compareandwrite(sd, 0, buf, 2 * block_size,
block_size, 0, 0, 1, 0,
EXPECT_INVALID_FIELD_IN_CDB);
CU_ASSERT_EQUAL(ret, 0);
@@ -88,12 +97,12 @@ test_compareandwrite_dpofua(void)
logging(LOG_VERBOSE, "Test COMPAREANDWRITE with DPO==1 FUA==1");
if (dpofua) {
ret = compareandwrite(sd, 0, buf, block_size,
ret = compareandwrite(sd, 0, buf, 2 * block_size,
block_size, 0, 1, 1, 0,
EXPECT_STATUS_GOOD);
CU_ASSERT_EQUAL(ret, 0);
} else {
ret = compareandwrite(sd, 0, buf, block_size,
ret = compareandwrite(sd, 0, buf, 2 * block_size,
block_size, 0, 1, 1, 0,
EXPECT_INVALID_FIELD_IN_CDB);
CU_ASSERT_EQUAL(ret, 0);