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lib/test_bitmap.c
27.8 KB
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// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* Test cases for bitmap API. |
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*/ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/bitmap.h> #include <linux/init.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/printk.h> #include <linux/slab.h> #include <linux/string.h> |
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#include <linux/uaccess.h> |
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#include "../tools/testing/selftests/kselftest_module.h" |
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KSTM_MODULE_GLOBALS(); |
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static char pbl_buffer[PAGE_SIZE] __initdata; |
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static char print_buf[PAGE_SIZE * 2] __initdata; |
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static const unsigned long exp1[] __initconst = { BITMAP_FROM_U64(1), BITMAP_FROM_U64(2), BITMAP_FROM_U64(0x0000ffff), BITMAP_FROM_U64(0xffff0000), BITMAP_FROM_U64(0x55555555), BITMAP_FROM_U64(0xaaaaaaaa), BITMAP_FROM_U64(0x11111111), BITMAP_FROM_U64(0x22222222), BITMAP_FROM_U64(0xffffffff), BITMAP_FROM_U64(0xfffffffe), BITMAP_FROM_U64(0x3333333311111111ULL), BITMAP_FROM_U64(0xffffffff77777777ULL), BITMAP_FROM_U64(0), |
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BITMAP_FROM_U64(0x00008000), BITMAP_FROM_U64(0x80000000), |
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}; static const unsigned long exp2[] __initconst = { BITMAP_FROM_U64(0x3333333311111111ULL), BITMAP_FROM_U64(0xffffffff77777777ULL), }; |
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/* Fibonacci sequence */ static const unsigned long exp2_to_exp3_mask[] __initconst = { BITMAP_FROM_U64(0x008000020020212eULL), }; /* exp3_0_1 = (exp2[0] & ~exp2_to_exp3_mask) | (exp2[1] & exp2_to_exp3_mask) */ static const unsigned long exp3_0_1[] __initconst = { BITMAP_FROM_U64(0x33b3333311313137ULL), }; /* exp3_1_0 = (exp2[1] & ~exp2_to_exp3_mask) | (exp2[0] & exp2_to_exp3_mask) */ static const unsigned long exp3_1_0[] __initconst = { BITMAP_FROM_U64(0xff7fffff77575751ULL), }; |
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static bool __init __check_eq_uint(const char *srcfile, unsigned int line, const unsigned int exp_uint, unsigned int x) { if (exp_uint != x) { |
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pr_err("[%s:%u] expected %u, got %u ", |
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srcfile, line, exp_uint, x); return false; } return true; } static bool __init __check_eq_bitmap(const char *srcfile, unsigned int line, |
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const unsigned long *exp_bmap, const unsigned long *bmap, unsigned int nbits) |
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{ |
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if (!bitmap_equal(exp_bmap, bmap, nbits)) { pr_warn("[%s:%u] bitmaps contents differ: expected \"%*pbl\", got \"%*pbl\" ", srcfile, line, |
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nbits, exp_bmap, nbits, bmap); |
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return false; } return true; } static bool __init __check_eq_pbl(const char *srcfile, unsigned int line, const char *expected_pbl, const unsigned long *bitmap, unsigned int nbits) { snprintf(pbl_buffer, sizeof(pbl_buffer), "%*pbl", nbits, bitmap); if (strcmp(expected_pbl, pbl_buffer)) { pr_warn("[%s:%u] expected \"%s\", got \"%s\" ", srcfile, line, expected_pbl, pbl_buffer); return false; } return true; } static bool __init __check_eq_u32_array(const char *srcfile, unsigned int line, const u32 *exp_arr, unsigned int exp_len, |
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const u32 *arr, unsigned int len) __used; static bool __init __check_eq_u32_array(const char *srcfile, unsigned int line, const u32 *exp_arr, unsigned int exp_len, |
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const u32 *arr, unsigned int len) { if (exp_len != len) { pr_warn("[%s:%u] array length differ: expected %u, got %u ", srcfile, line, exp_len, len); return false; } if (memcmp(exp_arr, arr, len*sizeof(*arr))) { pr_warn("[%s:%u] array contents differ ", srcfile, line); print_hex_dump(KERN_WARNING, " exp: ", DUMP_PREFIX_OFFSET, 32, 4, exp_arr, exp_len*sizeof(*exp_arr), false); print_hex_dump(KERN_WARNING, " got: ", DUMP_PREFIX_OFFSET, 32, 4, arr, len*sizeof(*arr), false); return false; } return true; } |
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static bool __init __check_eq_clump8(const char *srcfile, unsigned int line, const unsigned int offset, const unsigned int size, const unsigned char *const clump_exp, const unsigned long *const clump) { unsigned long exp; if (offset >= size) { pr_warn("[%s:%u] bit offset for clump out-of-bounds: expected less than %u, got %u ", srcfile, line, size, offset); return false; } exp = clump_exp[offset / 8]; if (!exp) { pr_warn("[%s:%u] bit offset for zero clump: expected nonzero clump, got bit offset %u with clump value 0", srcfile, line, offset); return false; } if (*clump != exp) { pr_warn("[%s:%u] expected clump value of 0x%lX, got clump value of 0x%lX", srcfile, line, exp, *clump); return false; } return true; } |
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static bool __init __check_eq_str(const char *srcfile, unsigned int line, const char *exp_str, const char *str, unsigned int len) { bool eq; eq = strncmp(exp_str, str, len) == 0; if (!eq) pr_err("[%s:%u] expected %s, got %s ", srcfile, line, exp_str, str); return eq; } |
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#define __expect_eq(suffix, ...) \ ({ \ int result = 0; \ total_tests++; \ if (!__check_eq_ ## suffix(__FILE__, __LINE__, \ ##__VA_ARGS__)) { \ failed_tests++; \ result = 1; \ } \ result; \ }) #define expect_eq_uint(...) __expect_eq(uint, ##__VA_ARGS__) #define expect_eq_bitmap(...) __expect_eq(bitmap, ##__VA_ARGS__) #define expect_eq_pbl(...) __expect_eq(pbl, ##__VA_ARGS__) #define expect_eq_u32_array(...) __expect_eq(u32_array, ##__VA_ARGS__) |
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#define expect_eq_clump8(...) __expect_eq(clump8, ##__VA_ARGS__) |
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#define expect_eq_str(...) __expect_eq(str, ##__VA_ARGS__) |
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static void __init test_zero_clear(void) { DECLARE_BITMAP(bmap, 1024); /* Known way to set all bits */ memset(bmap, 0xff, 128); expect_eq_pbl("0-22", bmap, 23); expect_eq_pbl("0-1023", bmap, 1024); /* single-word bitmaps */ bitmap_clear(bmap, 0, 9); expect_eq_pbl("9-1023", bmap, 1024); bitmap_zero(bmap, 35); expect_eq_pbl("64-1023", bmap, 1024); /* cross boundaries operations */ bitmap_clear(bmap, 79, 19); expect_eq_pbl("64-78,98-1023", bmap, 1024); bitmap_zero(bmap, 115); expect_eq_pbl("128-1023", bmap, 1024); /* Zeroing entire area */ bitmap_zero(bmap, 1024); expect_eq_pbl("", bmap, 1024); } |
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static void __init test_fill_set(void) { DECLARE_BITMAP(bmap, 1024); /* Known way to clear all bits */ memset(bmap, 0x00, 128); expect_eq_pbl("", bmap, 23); expect_eq_pbl("", bmap, 1024); /* single-word bitmaps */ bitmap_set(bmap, 0, 9); expect_eq_pbl("0-8", bmap, 1024); bitmap_fill(bmap, 35); expect_eq_pbl("0-63", bmap, 1024); /* cross boundaries operations */ bitmap_set(bmap, 79, 19); expect_eq_pbl("0-63,79-97", bmap, 1024); bitmap_fill(bmap, 115); expect_eq_pbl("0-127", bmap, 1024); /* Zeroing entire area */ bitmap_fill(bmap, 1024); expect_eq_pbl("0-1023", bmap, 1024); } |
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static void __init test_copy(void) |
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{ DECLARE_BITMAP(bmap1, 1024); DECLARE_BITMAP(bmap2, 1024); bitmap_zero(bmap1, 1024); bitmap_zero(bmap2, 1024); /* single-word bitmaps */ |
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bitmap_set(bmap1, 0, 19); |
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bitmap_copy(bmap2, bmap1, 23); expect_eq_pbl("0-18", bmap2, 1024); |
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bitmap_set(bmap2, 0, 23); |
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bitmap_copy(bmap2, bmap1, 23); expect_eq_pbl("0-18", bmap2, 1024); |
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/* multi-word bitmaps */ |
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bitmap_set(bmap1, 0, 109); |
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bitmap_copy(bmap2, bmap1, 1024); expect_eq_pbl("0-108", bmap2, 1024); bitmap_fill(bmap2, 1024); |
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bitmap_copy(bmap2, bmap1, 1024); expect_eq_pbl("0-108", bmap2, 1024); /* the following tests assume a 32- or 64-bit arch (even 128b * if we care) */ bitmap_fill(bmap2, 1024); bitmap_copy(bmap2, bmap1, 109); /* ... but 0-padded til word length */ expect_eq_pbl("0-108,128-1023", bmap2, 1024); bitmap_fill(bmap2, 1024); bitmap_copy(bmap2, bmap1, 97); /* ... but aligned on word length */ expect_eq_pbl("0-108,128-1023", bmap2, 1024); |
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} |
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#define EXP2_IN_BITS (sizeof(exp2) * 8) static void __init test_replace(void) { unsigned int nbits = 64; |
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unsigned int nlongs = DIV_ROUND_UP(nbits, BITS_PER_LONG); |
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DECLARE_BITMAP(bmap, 1024); |
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BUILD_BUG_ON(EXP2_IN_BITS < nbits * 2); |
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bitmap_zero(bmap, 1024); |
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bitmap_replace(bmap, &exp2[0 * nlongs], &exp2[1 * nlongs], exp2_to_exp3_mask, nbits); |
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expect_eq_bitmap(bmap, exp3_0_1, nbits); bitmap_zero(bmap, 1024); |
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bitmap_replace(bmap, &exp2[1 * nlongs], &exp2[0 * nlongs], exp2_to_exp3_mask, nbits); |
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expect_eq_bitmap(bmap, exp3_1_0, nbits); bitmap_fill(bmap, 1024); |
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bitmap_replace(bmap, &exp2[0 * nlongs], &exp2[1 * nlongs], exp2_to_exp3_mask, nbits); |
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expect_eq_bitmap(bmap, exp3_0_1, nbits); bitmap_fill(bmap, 1024); |
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bitmap_replace(bmap, &exp2[1 * nlongs], &exp2[0 * nlongs], exp2_to_exp3_mask, nbits); |
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expect_eq_bitmap(bmap, exp3_1_0, nbits); } |
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#define PARSE_TIME 0x1 #define NO_LEN 0x2 |
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struct test_bitmap_parselist{ const int errno; const char *in; const unsigned long *expected; const int nbits; const int flags; }; |
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static const struct test_bitmap_parselist parselist_tests[] __initconst = { |
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#define step (sizeof(u64) / sizeof(unsigned long)) |
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{0, "0", &exp1[0], 8, 0}, {0, "1", &exp1[1 * step], 8, 0}, {0, "0-15", &exp1[2 * step], 32, 0}, {0, "16-31", &exp1[3 * step], 32, 0}, {0, "0-31:1/2", &exp1[4 * step], 32, 0}, {0, "1-31:1/2", &exp1[5 * step], 32, 0}, {0, "0-31:1/4", &exp1[6 * step], 32, 0}, {0, "1-31:1/4", &exp1[7 * step], 32, 0}, {0, "0-31:4/4", &exp1[8 * step], 32, 0}, {0, "1-31:4/4", &exp1[9 * step], 32, 0}, {0, "0-31:1/4,32-63:2/4", &exp1[10 * step], 64, 0}, {0, "0-31:3/4,32-63:4/4", &exp1[11 * step], 64, 0}, {0, " ,, 0-31:3/4 ,, 32-63:4/4 ,, ", &exp1[11 * step], 64, 0}, |
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{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}, |
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{0, "", &exp1[12 * step], 8, 0}, {0, " ", &exp1[12 * step], 8, 0}, {0, ",, ,, , , ,", &exp1[12 * step], 8, 0}, {0, " , ,, , , ", &exp1[12 * step], 8, 0}, {0, " , ,, , , ", &exp1[12 * step], 8, 0}, |
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{0, "0-0", &exp1[0], 32, 0}, {0, "1-1", &exp1[1 * step], 32, 0}, {0, "15-15", &exp1[13 * step], 32, 0}, {0, "31-31", &exp1[14 * step], 32, 0}, {0, "0-0:0/1", &exp1[12 * step], 32, 0}, {0, "0-0:1/1", &exp1[0], 32, 0}, {0, "0-0:1/31", &exp1[0], 32, 0}, {0, "0-0:31/31", &exp1[0], 32, 0}, {0, "1-1:1/1", &exp1[1 * step], 32, 0}, {0, "0-15:16/31", &exp1[2 * step], 32, 0}, {0, "15-15:1/2", &exp1[13 * step], 32, 0}, {0, "15-15:31/31", &exp1[13 * step], 32, 0}, {0, "15-31:1/31", &exp1[13 * step], 32, 0}, {0, "16-31:16/31", &exp1[3 * step], 32, 0}, {0, "31-31:31/31", &exp1[14 * step], 32, 0}, |
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{0, "N-N", &exp1[14 * step], 32, 0}, {0, "0-0:1/N", &exp1[0], 32, 0}, {0, "0-0:N/N", &exp1[0], 32, 0}, {0, "0-15:16/N", &exp1[2 * step], 32, 0}, {0, "15-15:N/N", &exp1[13 * step], 32, 0}, {0, "15-N:1/N", &exp1[13 * step], 32, 0}, {0, "16-N:16/N", &exp1[3 * step], 32, 0}, {0, "N-N:N/N", &exp1[14 * step], 32, 0}, {0, "0-N:1/3,1-N:1/3,2-N:1/3", &exp1[8 * step], 32, 0}, |
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{0, "0-31:1/3,1-31:1/3,2-31:1/3", &exp1[8 * step], 32, 0}, {0, "1-10:8/12,8-31:24/29,0-31:0/3", &exp1[9 * step], 32, 0}, |
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{0, "all", &exp1[8 * step], 32, 0}, {0, "0, 1, all, ", &exp1[8 * step], 32, 0}, {0, "all:1/2", &exp1[4 * step], 32, 0}, {0, "ALL:1/2", &exp1[4 * step], 32, 0}, {-EINVAL, "al", NULL, 8, 0}, {-EINVAL, "alll", NULL, 8, 0}, |
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{-EINVAL, "-1", NULL, 8, 0}, {-EINVAL, "-0", NULL, 8, 0}, {-EINVAL, "10-1", NULL, 8, 0}, |
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{-ERANGE, "8-8", NULL, 8, 0}, {-ERANGE, "0-31", NULL, 8, 0}, |
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{-EINVAL, "0-31:", NULL, 32, 0}, {-EINVAL, "0-31:0", NULL, 32, 0}, {-EINVAL, "0-31:0/", NULL, 32, 0}, {-EINVAL, "0-31:0/0", NULL, 32, 0}, {-EINVAL, "0-31:1/0", NULL, 32, 0}, {-EINVAL, "0-31:10/1", NULL, 32, 0}, |
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{-EOVERFLOW, "0-98765432123456789:10/1", NULL, 8, 0}, {-EINVAL, "a-31", NULL, 8, 0}, {-EINVAL, "0-a1", NULL, 8, 0}, {-EINVAL, "a-31:10/1", NULL, 8, 0}, {-EINVAL, "0-31:a/1", NULL, 8, 0}, {-EINVAL, "0- ", NULL, 8, 0}, |
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}; |
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static void __init test_bitmap_parselist(void) |
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{ int i; int err; |
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ktime_t time; |
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DECLARE_BITMAP(bmap, 2048); for (i = 0; i < ARRAY_SIZE(parselist_tests); i++) { #define ptest parselist_tests[i] |
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time = ktime_get(); err = bitmap_parselist(ptest.in, bmap, ptest.nbits); time = ktime_get() - time; |
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if (err != ptest.errno) { |
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pr_err("parselist: %d: input is %s, errno is %d, expected %d ", i, ptest.in, err, ptest.errno); |
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continue; } if (!err && ptest.expected && !__bitmap_equal(bmap, ptest.expected, ptest.nbits)) { |
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pr_err("parselist: %d: input is %s, result is 0x%lx, expected 0x%lx ", i, ptest.in, bmap[0], |
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*ptest.expected); |
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continue; } if (ptest.flags & PARSE_TIME) |
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pr_err("parselist: %d: input is '%s' OK, Time: %llu ", i, ptest.in, time); |
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#undef ptest |
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} } |
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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 = { |
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{0, "", &parse_test[0 * step], 32, 0}, {0, " ", &parse_test[0 * step], 32, 0}, |
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{0, "0", &parse_test[0 * step], 32, 0}, |
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{0, "0 ", &parse_test[0 * step], 32, 0}, |
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{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}, |
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{0, "deadbeef, ,0,1", &parse_test[2 * step], 96, 0}, |
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{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}, |
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{0, "badf00d,deadbeef,1,0", &parse_test2[2 * 2 * step], 124, NO_LEN}, {0, " badf00d,deadbeef,1,0 ", &parse_test2[2 * 2 * step], 124, 0}, {0, " , badf00d,deadbeef,1,0 , ", &parse_test2[2 * 2 * step], 124, 0}, {0, " , badf00d, ,, ,,deadbeef,1,0 , ", &parse_test2[2 * 2 * step], 124, 0}, |
7eb2e94e9 lib: add test for... |
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{-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 }; |
81b1e242b test_bitmap: remo... |
481 |
static void __init test_bitmap_parse(void) |
7eb2e94e9 lib: add test for... |
482 483 484 485 486 |
{ int i; int err; ktime_t time; DECLARE_BITMAP(bmap, 2048); |
7eb2e94e9 lib: add test for... |
487 488 489 |
for (i = 0; i < ARRAY_SIZE(parse_tests); i++) { struct test_bitmap_parselist test = parse_tests[i]; |
81b1e242b test_bitmap: remo... |
490 |
size_t len = test.flags & NO_LEN ? UINT_MAX : strlen(test.in); |
7eb2e94e9 lib: add test for... |
491 |
|
81b1e242b test_bitmap: remo... |
492 493 494 |
time = ktime_get(); err = bitmap_parse(test.in, len, bmap, test.nbits); time = ktime_get() - time; |
7eb2e94e9 lib: add test for... |
495 496 |
if (err != test.errno) { |
81b1e242b test_bitmap: remo... |
497 498 499 |
pr_err("parse: %d: input is %s, errno is %d, expected %d ", i, test.in, err, test.errno); |
7eb2e94e9 lib: add test for... |
500 501 502 503 504 |
continue; } if (!err && test.expected && !__bitmap_equal(bmap, test.expected, test.nbits)) { |
81b1e242b test_bitmap: remo... |
505 506 507 |
pr_err("parse: %d: input is %s, result is 0x%lx, expected 0x%lx ", i, test.in, bmap[0], |
7eb2e94e9 lib: add test for... |
508 509 510 511 512 |
*test.expected); continue; } if (test.flags & PARSE_TIME) |
81b1e242b test_bitmap: remo... |
513 514 515 |
pr_err("parse: %d: input is '%s' OK, Time: %llu ", i, test.in, time); |
7eb2e94e9 lib: add test for... |
516 517 |
} } |
0ee312e38 lib/test_bitmap: ... |
518 |
#define EXP1_IN_BITS (sizeof(exp1) * 8) |
f6f66c1bf lib/test_bitmap.c... |
519 |
|
3aa56885e bitmap: replace b... |
520 |
static void __init test_bitmap_arr32(void) |
5fd003f56 test_bitmap: unit... |
521 |
{ |
f6f66c1bf lib/test_bitmap.c... |
522 |
unsigned int nbits, next_bit; |
a4881d1cb lib/test_bitmap: ... |
523 524 |
u32 arr[EXP1_IN_BITS / 32]; DECLARE_BITMAP(bmap2, EXP1_IN_BITS); |
3aa56885e bitmap: replace b... |
525 526 |
memset(arr, 0xa5, sizeof(arr)); |
a4881d1cb lib/test_bitmap: ... |
527 |
for (nbits = 0; nbits < EXP1_IN_BITS; ++nbits) { |
0ee312e38 lib/test_bitmap: ... |
528 |
bitmap_to_arr32(arr, exp1, nbits); |
3aa56885e bitmap: replace b... |
529 |
bitmap_from_arr32(bmap2, arr, nbits); |
0ee312e38 lib/test_bitmap: ... |
530 |
expect_eq_bitmap(bmap2, exp1, nbits); |
3aa56885e bitmap: replace b... |
531 532 533 534 535 536 537 538 |
next_bit = find_next_bit(bmap2, round_up(nbits, BITS_PER_LONG), nbits); if (next_bit < round_up(nbits, BITS_PER_LONG)) pr_err("bitmap_copy_arr32(nbits == %d:" " tail is not safely cleared: %d ", nbits, next_bit); |
a4881d1cb lib/test_bitmap: ... |
539 |
if (nbits < EXP1_IN_BITS - 32) |
3aa56885e bitmap: replace b... |
540 541 |
expect_eq_uint(arr[DIV_ROUND_UP(nbits, 32)], 0xa5a5a5a5); |
5fd003f56 test_bitmap: unit... |
542 543 |
} } |
3cc78125a lib/test_bitmap.c... |
544 545 546 547 548 549 550 |
static void noinline __init test_mem_optimisations(void) { DECLARE_BITMAP(bmap1, 1024); DECLARE_BITMAP(bmap2, 1024); unsigned int start, nbits; for (start = 0; start < 1024; start += 8) { |
3cc78125a lib/test_bitmap.c... |
551 |
for (nbits = 0; nbits < 1024 - start; nbits += 8) { |
1e3054b98 lib/test_bitmap.c... |
552 553 |
memset(bmap1, 0x5a, sizeof(bmap1)); memset(bmap2, 0x5a, sizeof(bmap2)); |
3cc78125a lib/test_bitmap.c... |
554 555 |
bitmap_set(bmap1, start, nbits); __bitmap_set(bmap2, start, nbits); |
1e3054b98 lib/test_bitmap.c... |
556 |
if (!bitmap_equal(bmap1, bmap2, 1024)) { |
3cc78125a lib/test_bitmap.c... |
557 558 |
printk("set not equal %d %d ", start, nbits); |
1e3054b98 lib/test_bitmap.c... |
559 560 561 |
failed_tests++; } if (!__bitmap_equal(bmap1, bmap2, 1024)) { |
3cc78125a lib/test_bitmap.c... |
562 563 |
printk("set not __equal %d %d ", start, nbits); |
1e3054b98 lib/test_bitmap.c... |
564 565 |
failed_tests++; } |
3cc78125a lib/test_bitmap.c... |
566 567 568 |
bitmap_clear(bmap1, start, nbits); __bitmap_clear(bmap2, start, nbits); |
1e3054b98 lib/test_bitmap.c... |
569 |
if (!bitmap_equal(bmap1, bmap2, 1024)) { |
3cc78125a lib/test_bitmap.c... |
570 571 |
printk("clear not equal %d %d ", start, nbits); |
1e3054b98 lib/test_bitmap.c... |
572 573 574 |
failed_tests++; } if (!__bitmap_equal(bmap1, bmap2, 1024)) { |
3cc78125a lib/test_bitmap.c... |
575 576 577 |
printk("clear not __equal %d %d ", start, nbits); |
1e3054b98 lib/test_bitmap.c... |
578 579 |
failed_tests++; } |
3cc78125a lib/test_bitmap.c... |
580 581 582 |
} } } |
e4aa168de lib/test_bitmap.c... |
583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 |
static const unsigned char clump_exp[] __initconst = { 0x01, /* 1 bit set */ 0x02, /* non-edge 1 bit set */ 0x00, /* zero bits set */ 0x38, /* 3 bits set across 4-bit boundary */ 0x38, /* Repeated clump */ 0x0F, /* 4 bits set */ 0xFF, /* all bits set */ 0x05, /* non-adjacent 2 bits set */ }; static void __init test_for_each_set_clump8(void) { #define CLUMP_EXP_NUMBITS 64 DECLARE_BITMAP(bits, CLUMP_EXP_NUMBITS); unsigned int start; unsigned long clump; /* set bitmap to test case */ bitmap_zero(bits, CLUMP_EXP_NUMBITS); bitmap_set(bits, 0, 1); /* 0x01 */ bitmap_set(bits, 9, 1); /* 0x02 */ bitmap_set(bits, 27, 3); /* 0x28 */ bitmap_set(bits, 35, 3); /* 0x28 */ bitmap_set(bits, 40, 4); /* 0x0F */ bitmap_set(bits, 48, 8); /* 0xFF */ bitmap_set(bits, 56, 1); /* 0x05 - part 1 */ bitmap_set(bits, 58, 1); /* 0x05 - part 2 */ for_each_set_clump8(start, clump, bits, CLUMP_EXP_NUMBITS) expect_eq_clump8(start, CLUMP_EXP_NUMBITS, clump_exp, &clump); } |
bcb32a1d8 lib/test_bitmap.c... |
615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 |
struct test_bitmap_cut { unsigned int first; unsigned int cut; unsigned int nbits; unsigned long in[4]; unsigned long expected[4]; }; static struct test_bitmap_cut test_cut[] = { { 0, 0, 8, { 0x0000000aUL, }, { 0x0000000aUL, }, }, { 0, 0, 32, { 0xdadadeadUL, }, { 0xdadadeadUL, }, }, { 0, 3, 8, { 0x000000aaUL, }, { 0x00000015UL, }, }, { 3, 3, 8, { 0x000000aaUL, }, { 0x00000012UL, }, }, { 0, 1, 32, { 0xa5a5a5a5UL, }, { 0x52d2d2d2UL, }, }, { 0, 8, 32, { 0xdeadc0deUL, }, { 0x00deadc0UL, }, }, { 1, 1, 32, { 0x5a5a5a5aUL, }, { 0x2d2d2d2cUL, }, }, { 0, 15, 32, { 0xa5a5a5a5UL, }, { 0x00014b4bUL, }, }, { 0, 16, 32, { 0xa5a5a5a5UL, }, { 0x0000a5a5UL, }, }, { 15, 15, 32, { 0xa5a5a5a5UL, }, { 0x000125a5UL, }, }, { 15, 16, 32, { 0xa5a5a5a5UL, }, { 0x0000a5a5UL, }, }, { 16, 15, 32, { 0xa5a5a5a5UL, }, { 0x0001a5a5UL, }, }, { BITS_PER_LONG, BITS_PER_LONG, BITS_PER_LONG, { 0xa5a5a5a5UL, 0xa5a5a5a5UL, }, { 0xa5a5a5a5UL, 0xa5a5a5a5UL, }, }, { 1, BITS_PER_LONG - 1, BITS_PER_LONG, { 0xa5a5a5a5UL, 0xa5a5a5a5UL, }, { 0x00000001UL, 0x00000001UL, }, }, { 0, BITS_PER_LONG * 2, BITS_PER_LONG * 2 + 1, { 0xa5a5a5a5UL, 0x00000001UL, 0x00000001UL, 0x00000001UL }, { 0x00000001UL, }, }, { 16, BITS_PER_LONG * 2 + 1, BITS_PER_LONG * 2 + 1 + 16, { 0x0000ffffUL, 0x5a5a5a5aUL, 0x5a5a5a5aUL, 0x5a5a5a5aUL }, { 0x2d2dffffUL, }, }, }; static void __init test_bitmap_cut(void) { unsigned long b[5], *in = &b[1], *out = &b[0]; /* Partial overlap */ int i; for (i = 0; i < ARRAY_SIZE(test_cut); i++) { struct test_bitmap_cut *t = &test_cut[i]; memcpy(in, t->in, sizeof(t->in)); bitmap_cut(out, in, t->first, t->cut, t->nbits); expect_eq_bitmap(t->expected, out, t->nbits); } } |
291f93ca3 lib: test_bitmap:... |
671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 |
struct test_bitmap_print { const unsigned long *bitmap; unsigned long nbits; const char *mask; const char *list; }; static const unsigned long small_bitmap[] __initconst = { BITMAP_FROM_U64(0x3333333311111111ULL), }; static const char small_mask[] __initconst = "33333333,11111111 "; static const char small_list[] __initconst = "0,4,8,12,16,20,24,28,32-33,36-37,40-41,44-45,48-49,52-53,56-57,60-61 "; static const unsigned long large_bitmap[] __initconst = { BITMAP_FROM_U64(0x3333333311111111ULL), BITMAP_FROM_U64(0x3333333311111111ULL), BITMAP_FROM_U64(0x3333333311111111ULL), BITMAP_FROM_U64(0x3333333311111111ULL), BITMAP_FROM_U64(0x3333333311111111ULL), BITMAP_FROM_U64(0x3333333311111111ULL), BITMAP_FROM_U64(0x3333333311111111ULL), BITMAP_FROM_U64(0x3333333311111111ULL), BITMAP_FROM_U64(0x3333333311111111ULL), BITMAP_FROM_U64(0x3333333311111111ULL), BITMAP_FROM_U64(0x3333333311111111ULL), BITMAP_FROM_U64(0x3333333311111111ULL), BITMAP_FROM_U64(0x3333333311111111ULL), BITMAP_FROM_U64(0x3333333311111111ULL), BITMAP_FROM_U64(0x3333333311111111ULL), BITMAP_FROM_U64(0x3333333311111111ULL), BITMAP_FROM_U64(0x3333333311111111ULL), BITMAP_FROM_U64(0x3333333311111111ULL), BITMAP_FROM_U64(0x3333333311111111ULL), BITMAP_FROM_U64(0x3333333311111111ULL), BITMAP_FROM_U64(0x3333333311111111ULL), BITMAP_FROM_U64(0x3333333311111111ULL), BITMAP_FROM_U64(0x3333333311111111ULL), BITMAP_FROM_U64(0x3333333311111111ULL), BITMAP_FROM_U64(0x3333333311111111ULL), BITMAP_FROM_U64(0x3333333311111111ULL), BITMAP_FROM_U64(0x3333333311111111ULL), BITMAP_FROM_U64(0x3333333311111111ULL), BITMAP_FROM_U64(0x3333333311111111ULL), BITMAP_FROM_U64(0x3333333311111111ULL), BITMAP_FROM_U64(0x3333333311111111ULL), BITMAP_FROM_U64(0x3333333311111111ULL), BITMAP_FROM_U64(0x3333333311111111ULL), BITMAP_FROM_U64(0x3333333311111111ULL), BITMAP_FROM_U64(0x3333333311111111ULL), BITMAP_FROM_U64(0x3333333311111111ULL), BITMAP_FROM_U64(0x3333333311111111ULL), BITMAP_FROM_U64(0x3333333311111111ULL), BITMAP_FROM_U64(0x3333333311111111ULL), BITMAP_FROM_U64(0x3333333311111111ULL), }; static const char large_mask[] __initconst = "33333333,11111111,33333333,11111111," "33333333,11111111,33333333,11111111," "33333333,11111111,33333333,11111111," "33333333,11111111,33333333,11111111," "33333333,11111111,33333333,11111111," "33333333,11111111,33333333,11111111," "33333333,11111111,33333333,11111111," "33333333,11111111,33333333,11111111," "33333333,11111111,33333333,11111111," "33333333,11111111,33333333,11111111," "33333333,11111111,33333333,11111111," "33333333,11111111,33333333,11111111," "33333333,11111111,33333333,11111111," "33333333,11111111,33333333,11111111," "33333333,11111111,33333333,11111111," "33333333,11111111,33333333,11111111," "33333333,11111111,33333333,11111111," "33333333,11111111,33333333,11111111," "33333333,11111111,33333333,11111111," "33333333,11111111,33333333,11111111 "; static const char large_list[] __initconst = /* more than 4KB */ "0,4,8,12,16,20,24,28,32-33,36-37,40-41,44-45,48-49,52-53,56-57,60-61,64,68,72,76,80,84,88,92,96-97,100-101,104-1" "05,108-109,112-113,116-117,120-121,124-125,128,132,136,140,144,148,152,156,160-161,164-165,168-169,172-173,176-1" "77,180-181,184-185,188-189,192,196,200,204,208,212,216,220,224-225,228-229,232-233,236-237,240-241,244-245,248-2" "49,252-253,256,260,264,268,272,276,280,284,288-289,292-293,296-297,300-301,304-305,308-309,312-313,316-317,320,3" "24,328,332,336,340,344,348,352-353,356-357,360-361,364-365,368-369,372-373,376-377,380-381,384,388,392,396,400,4" "04,408,412,416-417,420-421,424-425,428-429,432-433,436-437,440-441,444-445,448,452,456,460,464,468,472,476,480-4" "81,484-485,488-489,492-493,496-497,500-501,504-505,508-509,512,516,520,524,528,532,536,540,544-545,548-549,552-5" "53,556-557,560-561,564-565,568-569,572-573,576,580,584,588,592,596,600,604,608-609,612-613,616-617,620-621,624-6" "25,628-629,632-633,636-637,640,644,648,652,656,660,664,668,672-673,676-677,680-681,684-685,688-689,692-693,696-6" "97,700-701,704,708,712,716,720,724,728,732,736-737,740-741,744-745,748-749,752-753,756-757,760-761,764-765,768,7" "72,776,780,784,788,792,796,800-801,804-805,808-809,812-813,816-817,820-821,824-825,828-829,832,836,840,844,848,8" "52,856,860,864-865,868-869,872-873,876-877,880-881,884-885,888-889,892-893,896,900,904,908,912,916,920,924,928-9" "29,932-933,936-937,940-941,944-945,948-949,952-953,956-957,960,964,968,972,976,980,984,988,992-993,996-997,1000-" "1001,1004-1005,1008-1009,1012-1013,1016-1017,1020-1021,1024,1028,1032,1036,1040,1044,1048,1052,1056-1057,1060-10" "61,1064-1065,1068-1069,1072-1073,1076-1077,1080-1081,1084-1085,1088,1092,1096,1100,1104,1108,1112,1116,1120-1121" ",1124-1125,1128-1129,1132-1133,1136-1137,1140-1141,1144-1145,1148-1149,1152,1156,1160,1164,1168,1172,1176,1180,1" "184-1185,1188-1189,1192-1193,1196-1197,1200-1201,1204-1205,1208-1209,1212-1213,1216,1220,1224,1228,1232,1236,124" "0,1244,1248-1249,1252-1253,1256-1257,1260-1261,1264-1265,1268-1269,1272-1273,1276-1277,1280,1284,1288,1292,1296," "1300,1304,1308,1312-1313,1316-1317,1320-1321,1324-1325,1328-1329,1332-1333,1336-1337,1340-1341,1344,1348,1352,13" "56,1360,1364,1368,1372,1376-1377,1380-1381,1384-1385,1388-1389,1392-1393,1396-1397,1400-1401,1404-1405,1408,1412" ",1416,1420,1424,1428,1432,1436,1440-1441,1444-1445,1448-1449,1452-1453,1456-1457,1460-1461,1464-1465,1468-1469,1" "472,1476,1480,1484,1488,1492,1496,1500,1504-1505,1508-1509,1512-1513,1516-1517,1520-1521,1524-1525,1528-1529,153" "2-1533,1536,1540,1544,1548,1552,1556,1560,1564,1568-1569,1572-1573,1576-1577,1580-1581,1584-1585,1588-1589,1592-" "1593,1596-1597,1600,1604,1608,1612,1616,1620,1624,1628,1632-1633,1636-1637,1640-1641,1644-1645,1648-1649,1652-16" "53,1656-1657,1660-1661,1664,1668,1672,1676,1680,1684,1688,1692,1696-1697,1700-1701,1704-1705,1708-1709,1712-1713" ",1716-1717,1720-1721,1724-1725,1728,1732,1736,1740,1744,1748,1752,1756,1760-1761,1764-1765,1768-1769,1772-1773,1" "776-1777,1780-1781,1784-1785,1788-1789,1792,1796,1800,1804,1808,1812,1816,1820,1824-1825,1828-1829,1832-1833,183" "6-1837,1840-1841,1844-1845,1848-1849,1852-1853,1856,1860,1864,1868,1872,1876,1880,1884,1888-1889,1892-1893,1896-" "1897,1900-1901,1904-1905,1908-1909,1912-1913,1916-1917,1920,1924,1928,1932,1936,1940,1944,1948,1952-1953,1956-19" "57,1960-1961,1964-1965,1968-1969,1972-1973,1976-1977,1980-1981,1984,1988,1992,1996,2000,2004,2008,2012,2016-2017" ",2020-2021,2024-2025,2028-2029,2032-2033,2036-2037,2040-2041,2044-2045,2048,2052,2056,2060,2064,2068,2072,2076,2" "080-2081,2084-2085,2088-2089,2092-2093,2096-2097,2100-2101,2104-2105,2108-2109,2112,2116,2120,2124,2128,2132,213" "6,2140,2144-2145,2148-2149,2152-2153,2156-2157,2160-2161,2164-2165,2168-2169,2172-2173,2176,2180,2184,2188,2192," "2196,2200,2204,2208-2209,2212-2213,2216-2217,2220-2221,2224-2225,2228-2229,2232-2233,2236-2237,2240,2244,2248,22" "52,2256,2260,2264,2268,2272-2273,2276-2277,2280-2281,2284-2285,2288-2289,2292-2293,2296-2297,2300-2301,2304,2308" ",2312,2316,2320,2324,2328,2332,2336-2337,2340-2341,2344-2345,2348-2349,2352-2353,2356-2357,2360-2361,2364-2365,2" "368,2372,2376,2380,2384,2388,2392,2396,2400-2401,2404-2405,2408-2409,2412-2413,2416-2417,2420-2421,2424-2425,242" "8-2429,2432,2436,2440,2444,2448,2452,2456,2460,2464-2465,2468-2469,2472-2473,2476-2477,2480-2481,2484-2485,2488-" "2489,2492-2493,2496,2500,2504,2508,2512,2516,2520,2524,2528-2529,2532-2533,2536-2537,2540-2541,2544-2545,2548-25" "49,2552-2553,2556-2557 "; static const struct test_bitmap_print test_print[] __initconst = { { small_bitmap, sizeof(small_bitmap) * BITS_PER_BYTE, small_mask, small_list }, { large_bitmap, sizeof(large_bitmap) * BITS_PER_BYTE, large_mask, large_list }, }; static void __init test_bitmap_print_buf(void) { int i; for (i = 0; i < ARRAY_SIZE(test_print); i++) { const struct test_bitmap_print *t = &test_print[i]; int n; n = bitmap_print_bitmask_to_buf(print_buf, t->bitmap, t->nbits, 0, 2 * PAGE_SIZE); expect_eq_uint(strlen(t->mask) + 1, n); expect_eq_str(t->mask, print_buf, n); n = bitmap_print_list_to_buf(print_buf, t->bitmap, t->nbits, 0, 2 * PAGE_SIZE); expect_eq_uint(strlen(t->list) + 1, n); expect_eq_str(t->list, print_buf, n); /* test by non-zero offset */ if (strlen(t->list) > PAGE_SIZE) { n = bitmap_print_list_to_buf(print_buf, t->bitmap, t->nbits, PAGE_SIZE, PAGE_SIZE); expect_eq_uint(strlen(t->list) + 1 - PAGE_SIZE, n); expect_eq_str(t->list + PAGE_SIZE, print_buf, n); } } } |
6b1a4d5b1 lib: Use new ksel... |
807 |
static void __init selftest(void) |
5fd003f56 test_bitmap: unit... |
808 |
{ |
ee3527bd5 lib/test_bitmap.c... |
809 |
test_zero_clear(); |
978f369c5 lib/test_bitmap.c... |
810 |
test_fill_set(); |
fe81814c3 lib/test_bitmap.c... |
811 |
test_copy(); |
30544ed5d lib/bitmap: intro... |
812 |
test_replace(); |
3aa56885e bitmap: replace b... |
813 |
test_bitmap_arr32(); |
7eb2e94e9 lib: add test for... |
814 |
test_bitmap_parse(); |
6df0d464d lib/test_bitmap.c... |
815 |
test_bitmap_parselist(); |
3cc78125a lib/test_bitmap.c... |
816 |
test_mem_optimisations(); |
e4aa168de lib/test_bitmap.c... |
817 |
test_for_each_set_clump8(); |
bcb32a1d8 lib/test_bitmap.c... |
818 |
test_bitmap_cut(); |
291f93ca3 lib: test_bitmap:... |
819 |
test_bitmap_print_buf(); |
5fd003f56 test_bitmap: unit... |
820 |
} |
6b1a4d5b1 lib: Use new ksel... |
821 |
KSTM_MODULE_LOADERS(test_bitmap); |
5fd003f56 test_bitmap: unit... |
822 823 |
MODULE_AUTHOR("david decotigny <david.decotigny@googlers.com>"); MODULE_LICENSE("GPL"); |