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test_hexdump: print statistics at the end

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Like others test are doing print the gathered statistics after test module
is finished.  Return from the module based on the result.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Andy Shevchenko 2016-01-20 14:59:07 -08:00 committed by Linus Torvalds
parent 1dacd9ddd3
commit 7aaf4c3e12
1 changed files with 23 additions and 3 deletions
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26
lib/test_hexdump.c
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@ -44,6 +44,9 @@ static const char * const test_data_8_le[] __initconst = {
#define FILL_CHAR '#' #define FILL_CHAR '#'
static unsigned total_tests __initdata;
static unsigned failed_tests __initdata;
static void __init test_hexdump_prepare_test(size_t len, int rowsize, static void __init test_hexdump_prepare_test(size_t len, int rowsize,
int groupsize, char *test, int groupsize, char *test,
size_t testlen, bool ascii) size_t testlen, bool ascii)
@ -107,6 +110,8 @@ static void __init test_hexdump(size_t len, int rowsize, int groupsize,
char test[TEST_HEXDUMP_BUF_SIZE]; char test[TEST_HEXDUMP_BUF_SIZE];
char real[TEST_HEXDUMP_BUF_SIZE]; char real[TEST_HEXDUMP_BUF_SIZE];
total_tests++;
memset(real, FILL_CHAR, sizeof(real)); memset(real, FILL_CHAR, sizeof(real));
hex_dump_to_buffer(data_b, len, rowsize, groupsize, real, sizeof(real), hex_dump_to_buffer(data_b, len, rowsize, groupsize, real, sizeof(real),
ascii); ascii);
@ -119,6 +124,7 @@ static void __init test_hexdump(size_t len, int rowsize, int groupsize,
pr_err("Len: %zu row: %d group: %d\n", len, rowsize, groupsize); pr_err("Len: %zu row: %d group: %d\n", len, rowsize, groupsize);
pr_err("Result: '%s'\n", real); pr_err("Result: '%s'\n", real);
pr_err("Expect: '%s'\n", test); pr_err("Expect: '%s'\n", test);
failed_tests++;
} }
} }
@ -143,6 +149,8 @@ static void __init test_hexdump_overflow(size_t buflen, size_t len,
int ae, he, e, f, r; int ae, he, e, f, r;
bool a; bool a;
total_tests++;
memset(buf, FILL_CHAR, sizeof(buf)); memset(buf, FILL_CHAR, sizeof(buf));
r = hex_dump_to_buffer(data_b, len, rs, gs, buf, buflen, ascii); r = hex_dump_to_buffer(data_b, len, rs, gs, buf, buflen, ascii);
@ -175,6 +183,7 @@ static void __init test_hexdump_overflow(size_t buflen, size_t len,
len, buflen, strnlen(buf, sizeof(buf))); len, buflen, strnlen(buf, sizeof(buf)));
pr_err("Result: %d '%s'\n", r, buf); pr_err("Result: %d '%s'\n", r, buf);
pr_err("Expect: %d '%s'\n", e, test); pr_err("Expect: %d '%s'\n", e, test);
failed_tests++;
} }
} }
@ -196,8 +205,6 @@ static int __init test_hexdump_init(void)
unsigned int i; unsigned int i;
int rowsize; int rowsize;
pr_info("Running tests...\n");
rowsize = (get_random_int() % 2 + 1) * 16; rowsize = (get_random_int() % 2 + 1) * 16;
for (i = 0; i < 16; i++) for (i = 0; i < 16; i++)
test_hexdump_set(rowsize, false); test_hexdump_set(rowsize, false);
@ -212,7 +219,20 @@ static int __init test_hexdump_init(void)
for (i = 0; i <= TEST_HEXDUMP_BUF_SIZE; i++) for (i = 0; i <= TEST_HEXDUMP_BUF_SIZE; i++)
test_hexdump_overflow_set(i, true); test_hexdump_overflow_set(i, true);
return -EINVAL; if (failed_tests == 0)
pr_info("all %u tests passed\n", total_tests);
else
pr_err("failed %u out of %u tests\n", failed_tests, total_tests);
return failed_tests ? -EINVAL : 0;
} }
module_init(test_hexdump_init); module_init(test_hexdump_init);
static void __exit test_hexdump_exit(void)
{
/* do nothing */
}
module_exit(test_hexdump_exit);
MODULE_AUTHOR("Andy Shevchenko <andriy.shevchenko@linux.intel.com>");
MODULE_LICENSE("Dual BSD/GPL"); MODULE_LICENSE("Dual BSD/GPL");