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Diffstat (limited to 'src/spdk/test/unit/lib/util/iov.c/iov_ut.c')
| -rw-r--r-- | src/spdk/test/unit/lib/util/iov.c/iov_ut.c | 249 |
1 files changed, 249 insertions, 0 deletions
diff --git a/src/spdk/test/unit/lib/util/iov.c/iov_ut.c b/src/spdk/test/unit/lib/util/iov.c/iov_ut.c new file mode 100644 index 000000000..248ab91ff --- /dev/null +++ b/src/spdk/test/unit/lib/util/iov.c/iov_ut.c @@ -0,0 +1,249 @@ +/*- + * BSD LICENSE + * + * Copyright (c) Intel Corporation. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "spdk/stdinc.h" + +#include "spdk_cunit.h" + +#include "util/iov.c" + +static int +_check_val(void *buf, size_t len, uint8_t val) +{ + size_t i; + uint8_t *data = buf; + + for (i = 0; i < len; i++) { + if (data[i] != val) { + return -1; + } + } + + return 0; +} + +static void +test_single_iov(void) +{ + struct iovec siov[1]; + struct iovec diov[1]; + uint8_t sdata[64]; + uint8_t ddata[64]; + ssize_t rc; + + /* Simplest cases- 1 element in each iovec. */ + + /* Same size. */ + memset(sdata, 1, sizeof(sdata)); + memset(ddata, 0, sizeof(ddata)); + siov[0].iov_base = sdata; + siov[0].iov_len = sizeof(sdata); + diov[0].iov_base = ddata; + diov[0].iov_len = sizeof(ddata); + + rc = spdk_iovcpy(siov, 1, diov, 1); + CU_ASSERT(rc == sizeof(sdata)); + CU_ASSERT(_check_val(ddata, 64, 1) == 0); + + /* Source smaller than dest */ + memset(sdata, 1, sizeof(sdata)); + memset(ddata, 0, sizeof(ddata)); + siov[0].iov_base = sdata; + siov[0].iov_len = 48; + diov[0].iov_base = ddata; + diov[0].iov_len = sizeof(ddata); + + rc = spdk_iovcpy(siov, 1, diov, 1); + CU_ASSERT(rc == 48); + CU_ASSERT(_check_val(ddata, 48, 1) == 0); + CU_ASSERT(_check_val(&ddata[48], 16, 0) == 0); + + /* Dest smaller than source */ + memset(sdata, 1, sizeof(sdata)); + memset(ddata, 0, sizeof(ddata)); + siov[0].iov_base = sdata; + siov[0].iov_len = sizeof(sdata); + diov[0].iov_base = ddata; + diov[0].iov_len = 48; + + rc = spdk_iovcpy(siov, 1, diov, 1); + CU_ASSERT(rc == 48); + CU_ASSERT(_check_val(ddata, 48, 1) == 0); + CU_ASSERT(_check_val(&ddata[48], 16, 0) == 0); +} + +static void +test_simple_iov(void) +{ + struct iovec siov[4]; + struct iovec diov[4]; + uint8_t sdata[64]; + uint8_t ddata[64]; + ssize_t rc; + int i; + + /* Simple cases with 4 iov elements */ + + /* Same size. */ + memset(sdata, 1, sizeof(sdata)); + memset(ddata, 0, sizeof(ddata)); + for (i = 0; i < 4; i++) { + siov[i].iov_base = sdata + (16 * i); + siov[i].iov_len = 16; + diov[i].iov_base = ddata + (16 * i); + diov[i].iov_len = 16; + } + + rc = spdk_iovcpy(siov, 4, diov, 4); + CU_ASSERT(rc == sizeof(sdata)); + CU_ASSERT(_check_val(ddata, 64, 1) == 0); + + /* Source smaller than dest */ + memset(sdata, 1, sizeof(sdata)); + memset(ddata, 0, sizeof(ddata)); + for (i = 0; i < 4; i++) { + siov[i].iov_base = sdata + (8 * i); + siov[i].iov_len = 8; + diov[i].iov_base = ddata + (16 * i); + diov[i].iov_len = 16; + } + + rc = spdk_iovcpy(siov, 4, diov, 4); + CU_ASSERT(rc == 32); + CU_ASSERT(_check_val(ddata, 32, 1) == 0); + CU_ASSERT(_check_val(&ddata[32], 32, 0) == 0); + + /* Dest smaller than source */ + memset(sdata, 1, sizeof(sdata)); + memset(ddata, 0, sizeof(ddata)); + for (i = 0; i < 4; i++) { + siov[i].iov_base = sdata + (16 * i); + siov[i].iov_len = 16; + diov[i].iov_base = ddata + (8 * i); + diov[i].iov_len = 8; + } + + rc = spdk_iovcpy(siov, 4, diov, 4); + CU_ASSERT(rc == 32); + CU_ASSERT(_check_val(ddata, 32, 1) == 0); + CU_ASSERT(_check_val(&ddata[32], 32, 0) == 0); +} + +static void +test_complex_iov(void) +{ + struct iovec siov[4]; + struct iovec diov[4]; + uint8_t sdata[64]; + uint8_t ddata[64]; + ssize_t rc; + int i; + + /* More source elements */ + memset(sdata, 1, sizeof(sdata)); + memset(ddata, 0, sizeof(ddata)); + for (i = 0; i < 4; i++) { + siov[i].iov_base = sdata + (16 * i); + siov[i].iov_len = 16; + } + diov[0].iov_base = ddata; + diov[0].iov_len = sizeof(ddata); + + rc = spdk_iovcpy(siov, 4, diov, 1); + CU_ASSERT(rc == sizeof(sdata)); + CU_ASSERT(_check_val(ddata, 64, 1) == 0); + + /* More dest elements */ + memset(sdata, 1, sizeof(sdata)); + memset(ddata, 0, sizeof(ddata)); + for (i = 0; i < 4; i++) { + diov[i].iov_base = ddata + (16 * i); + diov[i].iov_len = 16; + } + siov[0].iov_base = sdata; + siov[0].iov_len = sizeof(sdata); + + rc = spdk_iovcpy(siov, 1, diov, 4); + CU_ASSERT(rc == sizeof(sdata)); + CU_ASSERT(_check_val(ddata, 64, 1) == 0); + + /* Build one by hand that's really terrible */ + memset(sdata, 1, sizeof(sdata)); + memset(ddata, 0, sizeof(ddata)); + siov[0].iov_base = sdata; + siov[0].iov_len = 1; + siov[1].iov_base = siov[0].iov_base + siov[0].iov_len; + siov[1].iov_len = 13; + siov[2].iov_base = siov[1].iov_base + siov[1].iov_len; + siov[2].iov_len = 6; + siov[3].iov_base = siov[2].iov_base + siov[2].iov_len; + siov[3].iov_len = 44; + + diov[0].iov_base = ddata; + diov[0].iov_len = 31; + diov[1].iov_base = diov[0].iov_base + diov[0].iov_len; + diov[1].iov_len = 9; + diov[2].iov_base = diov[1].iov_base + diov[1].iov_len; + diov[2].iov_len = 1; + diov[3].iov_base = diov[2].iov_base + diov[2].iov_len; + diov[3].iov_len = 23; + + rc = spdk_iovcpy(siov, 4, diov, 4); + CU_ASSERT(rc == 64); + CU_ASSERT(_check_val(ddata, 64, 1) == 0); +} + +int +main(int argc, char **argv) +{ + CU_pSuite suite = NULL; + unsigned int num_failures; + + CU_set_error_action(CUEA_ABORT); + CU_initialize_registry(); + + suite = CU_add_suite("iov", NULL, NULL); + + CU_ADD_TEST(suite, test_single_iov); + CU_ADD_TEST(suite, test_simple_iov); + CU_ADD_TEST(suite, test_complex_iov); + + CU_basic_set_mode(CU_BRM_VERBOSE); + + CU_basic_run_tests(); + + num_failures = CU_get_number_of_failures(); + CU_cleanup_registry(); + + return num_failures; +} |