Move some tests into `bitmap_test_cases` and parameterize `test_bitmap_print_buf`. This gives us nicer output in the event of a failure. Signed-off-by: Tamir Duberstein <tamird@xxxxxxxxx> --- lib/bitmap_kunit.c | 182 ++++++++++++++++++++++++++--------------------------- 1 file changed, 89 insertions(+), 93 deletions(-) diff --git a/lib/bitmap_kunit.c b/lib/bitmap_kunit.c index 0605228288d6..f7b90f6d5f49 100644 --- a/lib/bitmap_kunit.c +++ b/lib/bitmap_kunit.c @@ -17,8 +17,6 @@ static char pbl_buffer[PAGE_SIZE]; static char print_buf[PAGE_SIZE * 2]; -static struct kunit *kunittest; - #define tc_err(fmt, ...) \ KUNIT_FAIL(kunittest, fmt, ##__VA_ARGS__) @@ -96,7 +94,7 @@ static const unsigned long exp3_1_0[] = { #define expect_eq_uint(x, y) expect_eq_ulong((unsigned int)(x), (unsigned int)(y)) -static void test_zero_clear(void) +static void test_zero_clear(struct kunit *kunittest) { DECLARE_BITMAP(bmap, 1024); @@ -125,7 +123,7 @@ static void test_zero_clear(void) expect_eq_pbl("", bmap, 1024); } -static void test_find_nth_bit(void) +static void test_find_nth_bit(struct kunit *kunittest) { unsigned long b, bit, cnt = 0; DECLARE_BITMAP(bmap, 64 * 3); @@ -166,7 +164,7 @@ static void test_find_nth_bit(void) } } -static void test_fill_set(void) +static void test_fill_set(struct kunit *kunittest) { DECLARE_BITMAP(bmap, 1024); @@ -195,7 +193,7 @@ static void test_fill_set(void) expect_eq_pbl("0-1023", bmap, 1024); } -static void test_copy(void) +static void test_copy(struct kunit *kunittest) { DECLARE_BITMAP(bmap1, 1024); DECLARE_BITMAP(bmap2, 1024); @@ -234,7 +232,7 @@ static void test_copy(void) expect_eq_pbl("0-108,128-1023", bmap2, 1024); } -static void test_bitmap_region(void) +static void test_bitmap_region(struct kunit *kunittest) { int pos, order; @@ -259,7 +257,7 @@ static void test_bitmap_region(void) #define EXP2_IN_BITS (sizeof(exp2) * 8) -static void test_replace(void) +static void test_replace(struct kunit *kunittest) { unsigned int nbits = 64; unsigned int nlongs = DIV_ROUND_UP(nbits, BITS_PER_LONG); @@ -300,7 +298,7 @@ static const unsigned long sg_scatter_exp[] = { BITMAP_FROM_U64(0x000000000000021aULL), }; -static void test_bitmap_sg(void) +static void test_bitmap_sg(struct kunit *kunittest) { unsigned int nbits = 64; DECLARE_BITMAP(bmap_gather, 100); @@ -421,7 +419,7 @@ static const struct test_bitmap_parselist parselist_tests[] = { }; -static void test_bitmap_parselist(void) +static void test_bitmap_parselist(struct kunit *kunittest) { int i; int err; @@ -457,7 +455,7 @@ static void test_bitmap_parselist(void) } } -static void test_bitmap_printlist(void) +static void test_bitmap_printlist(struct kunit *kunittest) { unsigned long *bmap = kmalloc(PAGE_SIZE, GFP_KERNEL); char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); @@ -533,7 +531,7 @@ static const struct test_bitmap_parselist parse_tests[] = { #undef step }; -static void test_bitmap_parse(void) +static void test_bitmap_parse(struct kunit *kunittest) { int i; int err; @@ -568,7 +566,7 @@ static void test_bitmap_parse(void) } } -static void test_bitmap_arr32(void) +static void test_bitmap_arr32(struct kunit *kunittest) { unsigned int nbits, next_bit; u32 arr[EXP1_IN_BITS / 32]; @@ -594,7 +592,7 @@ static void test_bitmap_arr32(void) } } -static void test_bitmap_arr64(void) +static void test_bitmap_arr64(struct kunit *kunittest) { unsigned int nbits, next_bit; u64 arr[EXP1_IN_BITS / 64]; @@ -626,7 +624,7 @@ static void test_bitmap_arr64(void) } } -static noinline void test_mem_optimisations(void) +static noinline void test_mem_optimisations(struct kunit *kunittest) { DECLARE_BITMAP(bmap1, 1024); DECLARE_BITMAP(bmap2, 1024); @@ -669,7 +667,7 @@ static const unsigned char clump_exp[] = { 0x05, /* non-adjacent 2 bits set */ }; -static void test_for_each_set_clump8(void) +static void test_for_each_set_clump8(struct kunit *kunittest) { #define CLUMP_EXP_NUMBITS 64 DECLARE_BITMAP(bits, CLUMP_EXP_NUMBITS); @@ -691,7 +689,7 @@ static void test_for_each_set_clump8(void) expect_eq_clump8(start, CLUMP_EXP_NUMBITS, clump_exp, &clump); } -static void test_for_each_set_bit_wrap(void) +static void test_for_each_set_bit_wrap(struct kunit *kunittest) { DECLARE_BITMAP(orig, 500); DECLARE_BITMAP(copy, 500); @@ -716,7 +714,7 @@ static void test_for_each_set_bit_wrap(void) } } -static void test_for_each_set_bit(void) +static void test_for_each_set_bit(struct kunit *kunittest) { DECLARE_BITMAP(orig, 500); DECLARE_BITMAP(copy, 500); @@ -738,7 +736,7 @@ static void test_for_each_set_bit(void) expect_eq_bitmap(orig, copy, 500); } -static void test_for_each_set_bit_from(void) +static void test_for_each_set_bit_from(struct kunit *kunittest) { DECLARE_BITMAP(orig, 500); DECLARE_BITMAP(copy, 500); @@ -768,7 +766,7 @@ static void test_for_each_set_bit_from(void) } } -static void test_for_each_clear_bit(void) +static void test_for_each_clear_bit(struct kunit *kunittest) { DECLARE_BITMAP(orig, 500); DECLARE_BITMAP(copy, 500); @@ -790,7 +788,7 @@ static void test_for_each_clear_bit(void) expect_eq_bitmap(orig, copy, 500); } -static void test_for_each_clear_bit_from(void) +static void test_for_each_clear_bit_from(struct kunit *kunittest) { DECLARE_BITMAP(orig, 500); DECLARE_BITMAP(copy, 500); @@ -820,7 +818,7 @@ static void test_for_each_clear_bit_from(void) } } -static void test_for_each_set_bitrange(void) +static void test_for_each_set_bitrange(struct kunit *kunittest) { DECLARE_BITMAP(orig, 500); DECLARE_BITMAP(copy, 500); @@ -842,7 +840,7 @@ static void test_for_each_set_bitrange(void) expect_eq_bitmap(orig, copy, 500); } -static void test_for_each_clear_bitrange(void) +static void test_for_each_clear_bitrange(struct kunit *kunittest) { DECLARE_BITMAP(orig, 500); DECLARE_BITMAP(copy, 500); @@ -864,7 +862,7 @@ static void test_for_each_clear_bitrange(void) expect_eq_bitmap(orig, copy, 500); } -static void test_for_each_set_bitrange_from(void) +static void test_for_each_set_bitrange_from(struct kunit *kunittest) { DECLARE_BITMAP(orig, 500); DECLARE_BITMAP(copy, 500); @@ -894,7 +892,7 @@ static void test_for_each_set_bitrange_from(void) } } -static void test_for_each_clear_bitrange_from(void) +static void test_for_each_clear_bitrange_from(struct kunit *kunittest) { DECLARE_BITMAP(orig, 500); DECLARE_BITMAP(copy, 500); @@ -965,7 +963,7 @@ static struct test_bitmap_cut test_cut[] = { }, }; -static void test_bitmap_cut(void) +static void test_bitmap_cut(struct kunit *kunittest) { unsigned long b[5], *in = &b[1], *out = &b[0]; /* Partial overlap */ int i; @@ -986,8 +984,14 @@ struct test_bitmap_print { unsigned long nbits; const char *mask; const char *list; + const char *name; }; +static void param_to_desc(const struct test_bitmap_print *param, char *desc) +{ + strscpy(desc, param->name, KUNIT_PARAM_DESC_SIZE); +} + static const unsigned long small_bitmap[] = { BITMAP_FROM_U64(0x3333333311111111ULL), }; @@ -1082,35 +1086,34 @@ static const char large_list[] = /* more than 4KB */ "49,2552-2553,2556-2557\n"; static const struct test_bitmap_print test_print[] = { - { small_bitmap, sizeof(small_bitmap) * BITS_PER_BYTE, small_mask, small_list }, - { large_bitmap, sizeof(large_bitmap) * BITS_PER_BYTE, large_mask, large_list }, + { small_bitmap, sizeof(small_bitmap) * BITS_PER_BYTE, small_mask, small_list, "small" }, + { large_bitmap, sizeof(large_bitmap) * BITS_PER_BYTE, large_mask, large_list, "large" }, }; -static void test_bitmap_print_buf(void) +KUNIT_ARRAY_PARAM(test_print, test_print, param_to_desc); + +static void test_bitmap_print_buf(struct kunit *kunittest) { - int i; + int n; - for (i = 0; i < ARRAY_SIZE(test_print); i++) { - const struct test_bitmap_print *t = &test_print[i]; - int n; + const struct test_bitmap_print *t = kunittest->param_value; - 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_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, - 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); - } + PAGE_SIZE, PAGE_SIZE); + expect_eq_uint(strlen(t->list) + 1 - PAGE_SIZE, n); + expect_eq_str(t->list + PAGE_SIZE, print_buf, n); } } @@ -1118,7 +1121,7 @@ static void test_bitmap_print_buf(void) * FIXME: Clang breaks compile-time evaluations when KASAN and GCOV are enabled. * To workaround it, GCOV is force-disabled in Makefile for this configuration. */ -static void test_bitmap_const_eval(void) +static void test_bitmap_const_eval(struct kunit *kunittest) { DECLARE_BITMAP(bitmap, BITS_PER_LONG); unsigned long initvar = BIT(2); @@ -1186,7 +1189,7 @@ static void test_bitmap_const_eval(void) /* * Helper function to test bitmap_write() overwriting the chosen byte pattern. */ -static void test_bitmap_write_helper(const char *pattern) +static void test_bitmap_write_helper(struct kunit *kunittest, const char *pattern) { DECLARE_BITMAP(bitmap, TEST_BIT_LEN); DECLARE_BITMAP(exp_bitmap, TEST_BIT_LEN); @@ -1240,7 +1243,7 @@ static void test_bitmap_write_helper(const char *pattern) } } -static void test_bitmap_read_write(void) +static void test_bitmap_read_write(struct kunit *kunittest) { unsigned char *pattern[3] = {"", "all:1/2", "all"}; DECLARE_BITMAP(bitmap, TEST_BIT_LEN); @@ -1286,10 +1289,10 @@ static void test_bitmap_read_write(void) } for (pi = 0; pi < ARRAY_SIZE(pattern); pi++) - test_bitmap_write_helper(pattern[pi]); + test_bitmap_write_helper(kunittest, pattern[pi]); } -static void test_bitmap_read_perf(void) +static void test_bitmap_read_perf(struct kunit *kunittest) { DECLARE_BITMAP(bitmap, TEST_BIT_LEN); unsigned int cnt, nbits, i; @@ -1312,10 +1315,10 @@ static void test_bitmap_read_perf(void) } } time = ktime_get() - time; - kunit_info(kunittest, "Time spent in %s:\t%llu\n", __func__, time); + kunit_info(kunittest, "Time spent:\t%llu\n", time); } -static void test_bitmap_write_perf(void) +static void test_bitmap_write_perf(struct kunit *kunittest) { DECLARE_BITMAP(bitmap, TEST_BIT_LEN); unsigned int cnt, nbits, i; @@ -1334,49 +1337,42 @@ static void test_bitmap_write_perf(void) } } time = ktime_get() - time; - kunit_info(kunittest, "Time spent in %s:\t%llu\n", __func__, time); + kunit_info(kunittest, "Time spent:\t%llu\n", time); } #undef TEST_BIT_LEN -static void bitmap_test(struct kunit *test) -{ - kunittest = test; - - test_zero_clear(); - test_fill_set(); - test_copy(); - test_bitmap_region(); - test_replace(); - test_bitmap_sg(); - test_bitmap_arr32(); - test_bitmap_arr64(); - test_bitmap_parse(); - test_bitmap_parselist(); - test_bitmap_printlist(); - test_mem_optimisations(); - test_bitmap_cut(); - test_bitmap_print_buf(); - test_bitmap_const_eval(); - test_bitmap_read_write(); - test_bitmap_read_perf(); - test_bitmap_write_perf(); - - test_find_nth_bit(); - test_for_each_set_bit(); - test_for_each_set_bit_from(); - test_for_each_clear_bit(); - test_for_each_clear_bit_from(); - test_for_each_set_bitrange(); - test_for_each_clear_bitrange(); - test_for_each_set_bitrange_from(); - test_for_each_clear_bitrange_from(); - test_for_each_set_clump8(); - test_for_each_set_bit_wrap(); -} - static struct kunit_case bitmap_test_cases[] = { - KUNIT_CASE(bitmap_test), + KUNIT_CASE(test_zero_clear), + KUNIT_CASE(test_fill_set), + KUNIT_CASE(test_copy), + KUNIT_CASE(test_bitmap_region), + KUNIT_CASE(test_replace), + KUNIT_CASE(test_bitmap_sg), + KUNIT_CASE(test_bitmap_arr32), + KUNIT_CASE(test_bitmap_arr64), + KUNIT_CASE(test_bitmap_parse), + KUNIT_CASE(test_bitmap_parselist), + KUNIT_CASE(test_bitmap_printlist), + KUNIT_CASE(test_mem_optimisations), + KUNIT_CASE(test_bitmap_cut), + KUNIT_CASE_PARAM(test_bitmap_print_buf, test_print_gen_params), + KUNIT_CASE(test_bitmap_const_eval), + KUNIT_CASE(test_bitmap_read_write), + KUNIT_CASE(test_bitmap_read_perf), + KUNIT_CASE(test_bitmap_write_perf), + + KUNIT_CASE(test_find_nth_bit), + KUNIT_CASE(test_for_each_set_bit), + KUNIT_CASE(test_for_each_set_bit_from), + KUNIT_CASE(test_for_each_clear_bit), + KUNIT_CASE(test_for_each_clear_bit_from), + KUNIT_CASE(test_for_each_set_bitrange), + KUNIT_CASE(test_for_each_clear_bitrange), + KUNIT_CASE(test_for_each_set_bitrange_from), + KUNIT_CASE(test_for_each_clear_bitrange_from), + KUNIT_CASE(test_for_each_set_clump8), + KUNIT_CASE(test_for_each_set_bit_wrap), {} }; -- 2.48.1