diff options
Diffstat (limited to 'app/test/test_eal_fs.c')
| -rw-r--r-- | app/test/test_eal_fs.c | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/app/test/test_eal_fs.c b/app/test/test_eal_fs.c new file mode 100644 index 00000000..1cbcb9d9 --- /dev/null +++ b/app/test/test_eal_fs.c @@ -0,0 +1,210 @@ +/*- + * 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 "test.h" +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <errno.h> + +/* eal_filesystem.h is not a public header file, so use relative path */ +#include "../../lib/librte_eal/common/eal_filesystem.h" + +static int +test_parse_sysfs_value(void) +{ + char filename[PATH_MAX] = ""; + char proc_path[PATH_MAX]; + char file_template[] = "/tmp/eal_test_XXXXXX"; + int tmp_file_handle = -1; + FILE *fd = NULL; + unsigned valid_number; + unsigned long retval = 0; + +#ifdef RTE_EXEC_ENV_BSDAPP + /* BSD doesn't have /proc/pid/fd */ + return 0; +#endif + + printf("Testing function eal_parse_sysfs_value()\n"); + + /* get a temporary filename to use for all tests - create temp file handle and then + * use /proc to get the actual file that we can open */ + tmp_file_handle = mkstemp(file_template); + if (tmp_file_handle == -1) { + perror("mkstemp() failure"); + goto error; + } + snprintf(proc_path, sizeof(proc_path), "/proc/self/fd/%d", tmp_file_handle); + if (readlink(proc_path, filename, sizeof(filename)) < 0) { + perror("readlink() failure"); + goto error; + } + printf("Temporary file is: %s\n", filename); + + /* test we get an error value if we use file before it's created */ + printf("Test reading a missing file ...\n"); + if (eal_parse_sysfs_value("/dev/not-quite-null", &retval) == 0) { + printf("Error with eal_parse_sysfs_value() - returned success on reading empty file\n"); + goto error; + } + printf("Confirmed return error when reading empty file\n"); + + /* test reading a valid number value with "\n" on the end */ + printf("Test reading valid values ...\n"); + valid_number = 15; + fd = fopen(filename,"w"); + if (fd == NULL) { + printf("line %d, Error opening %s: %s\n", __LINE__, filename, strerror(errno)); + goto error; + } + fprintf(fd,"%u\n", valid_number); + fclose(fd); + fd = NULL; + if (eal_parse_sysfs_value(filename, &retval) < 0) { + printf("eal_parse_sysfs_value() returned error - test failed\n"); + goto error; + } + if (retval != valid_number) { + printf("Invalid value read by eal_parse_sysfs_value() - test failed\n"); + goto error; + } + printf("Read '%u\\n' ok\n", valid_number); + + /* test reading a valid hex number value with "\n" on the end */ + valid_number = 25; + fd = fopen(filename,"w"); + if (fd == NULL) { + printf("line %d, Error opening %s: %s\n", __LINE__, filename, strerror(errno)); + goto error; + } + fprintf(fd,"0x%x\n", valid_number); + fclose(fd); + fd = NULL; + if (eal_parse_sysfs_value(filename, &retval) < 0) { + printf("eal_parse_sysfs_value() returned error - test failed\n"); + goto error; + } + if (retval != valid_number) { + printf("Invalid value read by eal_parse_sysfs_value() - test failed\n"); + goto error; + } + printf("Read '0x%x\\n' ok\n", valid_number); + + printf("Test reading invalid values ...\n"); + + /* test reading an empty file - expect failure!*/ + fd = fopen(filename,"w"); + if (fd == NULL) { + printf("line %d, Error opening %s: %s\n", __LINE__, filename, strerror(errno)); + goto error; + } + fclose(fd); + fd = NULL; + if (eal_parse_sysfs_value(filename, &retval) == 0) { + printf("eal_parse_sysfs_value() read invalid value - test failed\n"); + goto error; + } + + /* test reading a valid number value *without* "\n" on the end - expect failure!*/ + valid_number = 3; + fd = fopen(filename,"w"); + if (fd == NULL) { + printf("line %d, Error opening %s: %s\n", __LINE__, filename, strerror(errno)); + goto error; + } + fprintf(fd,"%u", valid_number); + fclose(fd); + fd = NULL; + if (eal_parse_sysfs_value(filename, &retval) == 0) { + printf("eal_parse_sysfs_value() read invalid value - test failed\n"); + goto error; + } + + /* test reading a valid number value followed by string - expect failure!*/ + valid_number = 3; + fd = fopen(filename,"w"); + if (fd == NULL) { + printf("line %d, Error opening %s: %s\n", __LINE__, filename, strerror(errno)); + goto error; + } + fprintf(fd,"%uJ\n", valid_number); + fclose(fd); + fd = NULL; + if (eal_parse_sysfs_value(filename, &retval) == 0) { + printf("eal_parse_sysfs_value() read invalid value - test failed\n"); + goto error; + } + + /* test reading a non-numeric value - expect failure!*/ + fd = fopen(filename,"w"); + if (fd == NULL) { + printf("line %d, Error opening %s: %s\n", __LINE__, filename, strerror(errno)); + goto error; + } + fprintf(fd,"error\n"); + fclose(fd); + fd = NULL; + if (eal_parse_sysfs_value(filename, &retval) == 0) { + printf("eal_parse_sysfs_value() read invalid value - test failed\n"); + goto error; + } + + close(tmp_file_handle); + unlink(filename); + printf("eal_parse_sysfs_value() - OK\n"); + return 0; + +error: + if (fd) + fclose(fd); + if (tmp_file_handle > 0) + close(tmp_file_handle); + if (filename[0] != '\0') + unlink(filename); + return -1; +} + +static int +test_eal_fs(void) +{ + if (test_parse_sysfs_value() < 0) + return -1; + return 0; +} + +static struct test_command eal_fs_cmd = { + .command = "eal_fs_autotest", + .callback = test_eal_fs, +}; +REGISTER_TEST_COMMAND(eal_fs_cmd); |