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Diffstat (limited to 'app/test/test_common.c')
| -rw-r--r-- | app/test/test_common.c | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/app/test/test_common.c b/app/test/test_common.c new file mode 100644 index 00000000..66e91098 --- /dev/null +++ b/app/test/test_common.c @@ -0,0 +1,176 @@ +/*- + * 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 <stdio.h> +#include <string.h> +#include <rte_common.h> +#include <rte_hexdump.h> + +#include "test.h" + +#define MAX_NUM 1 << 20 + +#define FAIL(x)\ + {printf(x "() test failed!\n");\ + return -1;} + +/* this is really a sanity check */ +static int +test_macros(int __rte_unused unused_parm) +{ +#define SMALLER 0x1000U +#define BIGGER 0x2000U +#define PTR_DIFF BIGGER - SMALLER +#define FAIL_MACRO(x)\ + {printf(#x "() test failed!\n");\ + return -1;} + + uintptr_t unused = 0; + + RTE_SET_USED(unused); + + if ((uintptr_t)RTE_PTR_ADD(SMALLER, PTR_DIFF) != BIGGER) + FAIL_MACRO(RTE_PTR_ADD); + if ((uintptr_t)RTE_PTR_SUB(BIGGER, PTR_DIFF) != SMALLER) + FAIL_MACRO(RTE_PTR_SUB); + if (RTE_PTR_DIFF(BIGGER, SMALLER) != PTR_DIFF) + FAIL_MACRO(RTE_PTR_DIFF); + if (RTE_MAX(SMALLER, BIGGER) != BIGGER) + FAIL_MACRO(RTE_MAX); + if (RTE_MIN(SMALLER, BIGGER) != SMALLER) + FAIL_MACRO(RTE_MIN); + + if (strncmp(RTE_STR(test), "test", sizeof("test"))) + FAIL_MACRO(RTE_STR); + + return 0; +} + +static int +test_misc(void) +{ + char memdump[] = "memdump_test"; + if (rte_bsf32(129)) + FAIL("rte_bsf32"); + + rte_memdump(stdout, "test", memdump, sizeof(memdump)); + rte_hexdump(stdout, "test", memdump, sizeof(memdump)); + + rte_pause(); + + return 0; +} + +static int +test_align(void) +{ +#define FAIL_ALIGN(x, i, p)\ + {printf(x "() test failed: %u %u\n", i, p);\ + return -1;} +#define ERROR_FLOOR(res, i, pow) \ + (res % pow) || /* check if not aligned */ \ + ((res / pow) != (i / pow)) /* check if correct alignment */ +#define ERROR_CEIL(res, i, pow) \ + (res % pow) || /* check if not aligned */ \ + ((i % pow) == 0 ? /* check if ceiling is invoked */ \ + val / pow != i / pow : /* if aligned */ \ + val / pow != (i / pow) + 1) /* if not aligned, hence +1 */ + + uint32_t i, p, val; + + for (i = 1, p = 1; i <= MAX_NUM; i ++) { + if (rte_align32pow2(i) != p) + FAIL_ALIGN("rte_align32pow2", i, p); + if (i == p) + p <<= 1; + } + + for (p = 2; p <= MAX_NUM; p <<= 1) { + + if (!rte_is_power_of_2(p)) + FAIL("rte_is_power_of_2"); + + for (i = 1; i <= MAX_NUM; i++) { + /* align floor */ + if (RTE_ALIGN_FLOOR((uintptr_t)i, p) % p) + FAIL_ALIGN("RTE_ALIGN_FLOOR", i, p); + + val = RTE_PTR_ALIGN_FLOOR((uintptr_t) i, p); + if (ERROR_FLOOR(val, i, p)) + FAIL_ALIGN("RTE_PTR_ALIGN_FLOOR", i, p); + + val = RTE_ALIGN_FLOOR(i, p); + if (ERROR_FLOOR(val, i, p)) + FAIL_ALIGN("RTE_ALIGN_FLOOR", i, p); + + /* align ceiling */ + val = RTE_PTR_ALIGN((uintptr_t) i, p); + if (ERROR_CEIL(val, i, p)) + FAIL_ALIGN("RTE_PTR_ALIGN", i, p); + + val = RTE_ALIGN(i, p); + if (ERROR_CEIL(val, i, p)) + FAIL_ALIGN("RTE_ALIGN", i, p); + + val = RTE_ALIGN_CEIL(i, p); + if (ERROR_CEIL(val, i, p)) + FAIL_ALIGN("RTE_ALIGN_CEIL", i, p); + + val = RTE_PTR_ALIGN_CEIL((uintptr_t)i, p); + if (ERROR_CEIL(val, i, p)) + FAIL_ALIGN("RTE_PTR_ALIGN_CEIL", i, p); + + /* by this point we know that val is aligned to p */ + if (!rte_is_aligned((void*)(uintptr_t) val, p)) + FAIL("rte_is_aligned"); + } + } + return 0; +} + +static int +test_common(void) +{ + int ret = 0; + ret |= test_align(); + ret |= test_macros(0); + ret |= test_misc(); + + return ret; +} + +static struct test_command common_cmd = { + .command = "common_autotest", + .callback = test_common, +}; +REGISTER_TEST_COMMAND(common_cmd); |