diff options
Diffstat (limited to 'lib/test_bitmap.c')
| -rw-r--r-- | lib/test_bitmap.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/lib/test_bitmap.c b/lib/test_bitmap.c index 2526a2975c51..431c97fb1aa0 100644 --- a/lib/test_bitmap.c +++ b/lib/test_bitmap.c @@ -165,6 +165,79 @@ static void __init test_zero_fill_copy(void) expect_eq_pbl("128-1023", bmap2, 1024); } +#define PARSE_TIME 0x1 + +struct test_bitmap_parselist{ + const int errno; + const char *in; + const unsigned long *expected; + const int nbits; + const int flags; +}; + +static const unsigned long exp[] = {1, 2, 0x0000ffff, 0xffff0000, 0x55555555, + 0xaaaaaaaa, 0x11111111, 0x22222222, 0xffffffff, + 0xfffffffe, 0x3333333311111111, 0xffffffff77777777}; +static const unsigned long exp2[] = {0x3333333311111111, 0xffffffff77777777}; + +static const struct test_bitmap_parselist parselist_tests[] __initconst = { + {0, "0", &exp[0], 8, 0}, + {0, "1", &exp[1], 8, 0}, + {0, "0-15", &exp[2], 32, 0}, + {0, "16-31", &exp[3], 32, 0}, + {0, "0-31:1/2", &exp[4], 32, 0}, + {0, "1-31:1/2", &exp[5], 32, 0}, + {0, "0-31:1/4", &exp[6], 32, 0}, + {0, "1-31:1/4", &exp[7], 32, 0}, + {0, "0-31:4/4", &exp[8], 32, 0}, + {0, "1-31:4/4", &exp[9], 32, 0}, + {0, "0-31:1/4,32-63:2/4", &exp[10], 64, 0}, + {0, "0-31:3/4,32-63:4/4", &exp[11], 64, 0}, + + {0, "0-31:1/4,32-63:2/4,64-95:3/4,96-127:4/4", exp2, 128, 0}, + + {0, "0-2047:128/256", NULL, 2048, PARSE_TIME}, + + {-EINVAL, "-1", NULL, 8, 0}, + {-EINVAL, "-0", NULL, 8, 0}, + {-EINVAL, "10-1", NULL, 8, 0}, + {-EINVAL, "0-31:10/1", NULL, 8, 0}, +}; + +static void __init test_bitmap_parselist(void) +{ + int i; + int err; + cycles_t cycles; + DECLARE_BITMAP(bmap, 2048); + + for (i = 0; i < ARRAY_SIZE(parselist_tests); i++) { +#define ptest parselist_tests[i] + + cycles = get_cycles(); + err = bitmap_parselist(ptest.in, bmap, ptest.nbits); + cycles = get_cycles() - cycles; + + if (err != ptest.errno) { + pr_err("test %d: input is %s, errno is %d, expected %d\n", + i, ptest.in, err, ptest.errno); + continue; + } + + if (!err && ptest.expected + && !__bitmap_equal(bmap, ptest.expected, ptest.nbits)) { + pr_err("test %d: input is %s, result is 0x%lx, expected 0x%lx\n", + i, ptest.in, bmap[0], *ptest.expected); + continue; + } + + if (ptest.flags & PARSE_TIME) + pr_err("test %d: input is '%s' OK, Time: %llu\n", + i, ptest.in, + (unsigned long long)cycles); + } +} + static void __init test_bitmap_u32_array_conversions(void) { DECLARE_BITMAP(bmap1, 1024); @@ -365,6 +438,7 @@ static int __init test_bitmap_init(void) { test_zero_fill_copy(); test_bitmap_u32_array_conversions(); + test_bitmap_parselist(); test_mem_optimisations(); if (failed_tests == 0) |