diff options
Diffstat (limited to 'lib/test_bitmap.c')
| -rw-r--r-- | lib/test_bitmap.c | 97 |
1 files changed, 95 insertions, 2 deletions
diff --git a/lib/test_bitmap.c b/lib/test_bitmap.c index 71ec3afe1681..bde8ed8c0e79 100644 --- a/lib/test_bitmap.c +++ b/lib/test_bitmap.c @@ -295,7 +295,8 @@ static void __init test_replace(void) expect_eq_bitmap(bmap, exp3_1_0, nbits); } -#define PARSE_TIME 0x1 +#define PARSE_TIME 0x1 +#define NO_LEN 0x2 struct test_bitmap_parselist{ const int errno; @@ -349,7 +350,6 @@ static const struct test_bitmap_parselist parselist_tests[] __initconst = { {-EINVAL, "0-31:a/1", NULL, 8, 0}, {-EINVAL, "0-\n", NULL, 8, 0}, -#undef step }; static void __init __test_bitmap_parselist(int is_user) @@ -401,6 +401,87 @@ static void __init __test_bitmap_parselist(int is_user) } } +static const unsigned long parse_test[] __initconst = { + BITMAP_FROM_U64(0), + BITMAP_FROM_U64(1), + BITMAP_FROM_U64(0xdeadbeef), + BITMAP_FROM_U64(0x100000000ULL), +}; + +static const unsigned long parse_test2[] __initconst = { + BITMAP_FROM_U64(0x100000000ULL), BITMAP_FROM_U64(0xdeadbeef), + BITMAP_FROM_U64(0x100000000ULL), BITMAP_FROM_U64(0xbaadf00ddeadbeef), + BITMAP_FROM_U64(0x100000000ULL), BITMAP_FROM_U64(0x0badf00ddeadbeef), +}; + +static const struct test_bitmap_parselist parse_tests[] __initconst = { + {0, "0", &parse_test[0 * step], 32, 0}, + {0, "1", &parse_test[1 * step], 32, 0}, + {0, "deadbeef", &parse_test[2 * step], 32, 0}, + {0, "1,0", &parse_test[3 * step], 33, 0}, + + {0, "deadbeef,1,0", &parse_test2[0 * 2 * step], 96, 0}, + {0, "baadf00d,deadbeef,1,0", &parse_test2[1 * 2 * step], 128, 0}, + {0, "badf00d,deadbeef,1,0", &parse_test2[2 * 2 * step], 124, 0}, + + {-EINVAL, "goodfood,deadbeef,1,0", NULL, 128, 0}, + {-EOVERFLOW, "3,0", NULL, 33, 0}, + {-EOVERFLOW, "123badf00d,deadbeef,1,0", NULL, 128, 0}, + {-EOVERFLOW, "badf00d,deadbeef,1,0", NULL, 90, 0}, + {-EOVERFLOW, "fbadf00d,deadbeef,1,0", NULL, 95, 0}, + {-EOVERFLOW, "badf00d,deadbeef,1,0", NULL, 100, 0}, +#undef step +}; + +static void __init __test_bitmap_parse(int is_user) +{ + int i; + int err; + ktime_t time; + DECLARE_BITMAP(bmap, 2048); + char *mode = is_user ? "_user" : ""; + + for (i = 0; i < ARRAY_SIZE(parse_tests); i++) { + struct test_bitmap_parselist test = parse_tests[i]; + + if (is_user) { + size_t len = strlen(test.in); + mm_segment_t orig_fs = get_fs(); + + set_fs(KERNEL_DS); + time = ktime_get(); + err = bitmap_parse_user((__force const char __user *)test.in, len, + bmap, test.nbits); + time = ktime_get() - time; + set_fs(orig_fs); + } else { + size_t len = test.flags & NO_LEN ? + UINT_MAX : strlen(test.in); + time = ktime_get(); + err = bitmap_parse(test.in, len, bmap, test.nbits); + time = ktime_get() - time; + } + + if (err != test.errno) { + pr_err("parse%s: %d: input is %s, errno is %d, expected %d\n", + mode, i, test.in, err, test.errno); + continue; + } + + if (!err && test.expected + && !__bitmap_equal(bmap, test.expected, test.nbits)) { + pr_err("parse%s: %d: input is %s, result is 0x%lx, expected 0x%lx\n", + mode, i, test.in, bmap[0], + *test.expected); + continue; + } + + if (test.flags & PARSE_TIME) + pr_err("parse%s: %d: input is '%s' OK, Time: %llu\n", + mode, i, test.in, time); + } +} + static void __init test_bitmap_parselist(void) { __test_bitmap_parselist(0); @@ -411,6 +492,16 @@ static void __init test_bitmap_parselist_user(void) __test_bitmap_parselist(1); } +static void __init test_bitmap_parse(void) +{ + __test_bitmap_parse(0); +} + +static void __init test_bitmap_parse_user(void) +{ + __test_bitmap_parse(1); +} + #define EXP1_IN_BITS (sizeof(exp1) * 8) static void __init test_bitmap_arr32(void) @@ -516,6 +607,8 @@ static void __init selftest(void) test_copy(); test_replace(); test_bitmap_arr32(); + test_bitmap_parse(); + test_bitmap_parse_user(); test_bitmap_parselist(); test_bitmap_parselist_user(); test_mem_optimisations(); |