diff options
Diffstat (limited to 'test/test/test_errno.c')
| -rw-r--r-- | test/test/test_errno.c | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/test/test/test_errno.c b/test/test/test_errno.c new file mode 100644 index 00000000..388decbb --- /dev/null +++ b/test/test/test_errno.c @@ -0,0 +1,116 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. + * 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 <stdint.h> +#include <stdio.h> +#include <stdarg.h> +#include <errno.h> +#include <string.h> +#include <rte_per_lcore.h> +#include <rte_errno.h> +#include <rte_string_fns.h> + +#include "test.h" + +static int +test_errno(void) +{ + const char *rte_retval; + const char *libc_retval; +#ifdef RTE_EXEC_ENV_BSDAPP + /* BSD has a colon in the string, unlike linux */ + const char unknown_code_result[] = "Unknown error: %d"; +#else + const char unknown_code_result[] = "Unknown error %d"; +#endif + char expected_libc_retval[sizeof(unknown_code_result)+3]; + + /* use a small selection of standard errors for testing */ + int std_errs[] = {EAGAIN, EBADF, EACCES, EINTR, EINVAL}; + /* test ALL registered RTE error codes for overlap */ + int rte_errs[] = {E_RTE_SECONDARY, E_RTE_NO_CONFIG}; + unsigned i; + + rte_errno = 0; + if (rte_errno != 0) + return -1; + /* check for standard errors we return the same as libc */ + for (i = 0; i < sizeof(std_errs)/sizeof(std_errs[0]); i++){ + rte_retval = rte_strerror(std_errs[i]); + libc_retval = strerror(std_errs[i]); + printf("rte_strerror: '%s', strerror: '%s'\n", + rte_retval, libc_retval); + if (strcmp(rte_retval, libc_retval) != 0) + return -1; + } + /* for rte-specific errors ensure we return a different string + * and that the string for libc is for an unknown error + */ + for (i = 0; i < sizeof(rte_errs)/sizeof(rte_errs[0]); i++){ + rte_retval = rte_strerror(rte_errs[i]); + libc_retval = strerror(rte_errs[i]); + printf("rte_strerror: '%s', strerror: '%s'\n", + rte_retval, libc_retval); + if (strcmp(rte_retval, libc_retval) == 0) + return -1; + /* generate appropriate error string for unknown error number + * and then check that this is what we got back. If not, we have + * a duplicate error number that conflicts with errno.h */ + snprintf(expected_libc_retval, sizeof(expected_libc_retval), + unknown_code_result, rte_errs[i]); + if ((strcmp(expected_libc_retval, libc_retval) != 0) && + (strcmp("", libc_retval) != 0)){ + printf("Error, duplicate error code %d\n", rte_errs[i]); + return -1; + } + } + + /* ensure that beyond RTE_MAX_ERRNO, we always get an unknown code */ + rte_retval = rte_strerror(RTE_MAX_ERRNO + 1); + libc_retval = strerror(RTE_MAX_ERRNO + 1); + snprintf(expected_libc_retval, sizeof(expected_libc_retval), + unknown_code_result, RTE_MAX_ERRNO + 1); + printf("rte_strerror: '%s', strerror: '%s'\n", + rte_retval, libc_retval); + if ((strcmp(rte_retval, libc_retval) != 0) || + (strcmp(expected_libc_retval, libc_retval) != 0)){ + if (strcmp("", libc_retval) != 0){ + printf("Failed test for RTE_MAX_ERRNO + 1 value\n"); + return -1; + } + } + + return 0; +} + +REGISTER_TEST_COMMAND(errno_autotest, test_errno); |