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lib/bitmap: add tests for for_each() loops 

We have a test for test_for_each_set_clump8 only. Add basic tests for
the others.

Signed-off-by: Yury Norov <yury.norov@gmail.com>
This commit is contained in:
Yury Norov 2022-09-19 14:05:59 -07:00
parent fdae96a3fc
commit 8173aa2626
1 changed files with 243 additions and 1 deletions
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244
lib/test_bitmap.c
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@ -726,6 +726,239 @@ static void __init test_for_each_set_clump8(void)
expect_eq_clump8(start, CLUMP_EXP_NUMBITS, clump_exp, &clump);
}
static void __init test_for_each_set_bit_wrap(void)
{
DECLARE_BITMAP(orig, 500);
DECLARE_BITMAP(copy, 500);
unsigned int wr, bit;
bitmap_zero(orig, 500);
/* Set individual bits */
for (bit = 0; bit < 500; bit += 10)
bitmap_set(orig, bit, 1);
/* Set range of bits */
bitmap_set(orig, 100, 50);
for (wr = 0; wr < 500; wr++) {
bitmap_zero(copy, 500);
for_each_set_bit_wrap(bit, orig, 500, wr)
bitmap_set(copy, bit, 1);
expect_eq_bitmap(orig, copy, 500);
}
}
static void __init test_for_each_set_bit(void)
{
DECLARE_BITMAP(orig, 500);
DECLARE_BITMAP(copy, 500);
unsigned int bit;
bitmap_zero(orig, 500);
bitmap_zero(copy, 500);
/* Set individual bits */
for (bit = 0; bit < 500; bit += 10)
bitmap_set(orig, bit, 1);
/* Set range of bits */
bitmap_set(orig, 100, 50);
for_each_set_bit(bit, orig, 500)
bitmap_set(copy, bit, 1);
expect_eq_bitmap(orig, copy, 500);
}
static void __init test_for_each_set_bit_from(void)
{
DECLARE_BITMAP(orig, 500);
DECLARE_BITMAP(copy, 500);
unsigned int wr, bit;
bitmap_zero(orig, 500);
/* Set individual bits */
for (bit = 0; bit < 500; bit += 10)
bitmap_set(orig, bit, 1);
/* Set range of bits */
bitmap_set(orig, 100, 50);
for (wr = 0; wr < 500; wr++) {
DECLARE_BITMAP(tmp, 500);
bitmap_zero(copy, 500);
bit = wr;
for_each_set_bit_from(bit, orig, 500)
bitmap_set(copy, bit, 1);
bitmap_copy(tmp, orig, 500);
bitmap_clear(tmp, 0, wr);
expect_eq_bitmap(tmp, copy, 500);
}
}
static void __init test_for_each_clear_bit(void)
{
DECLARE_BITMAP(orig, 500);
DECLARE_BITMAP(copy, 500);
unsigned int bit;
bitmap_fill(orig, 500);
bitmap_fill(copy, 500);
/* Set individual bits */
for (bit = 0; bit < 500; bit += 10)
bitmap_clear(orig, bit, 1);
/* Set range of bits */
bitmap_clear(orig, 100, 50);
for_each_clear_bit(bit, orig, 500)
bitmap_clear(copy, bit, 1);
expect_eq_bitmap(orig, copy, 500);
}
static void __init test_for_each_clear_bit_from(void)
{
DECLARE_BITMAP(orig, 500);
DECLARE_BITMAP(copy, 500);
unsigned int wr, bit;
bitmap_fill(orig, 500);
/* Set individual bits */
for (bit = 0; bit < 500; bit += 10)
bitmap_clear(orig, bit, 1);
/* Set range of bits */
bitmap_clear(orig, 100, 50);
for (wr = 0; wr < 500; wr++) {
DECLARE_BITMAP(tmp, 500);
bitmap_fill(copy, 500);
bit = wr;
for_each_clear_bit_from(bit, orig, 500)
bitmap_clear(copy, bit, 1);
bitmap_copy(tmp, orig, 500);
bitmap_set(tmp, 0, wr);
expect_eq_bitmap(tmp, copy, 500);
}
}
static void __init test_for_each_set_bitrange(void)
{
DECLARE_BITMAP(orig, 500);
DECLARE_BITMAP(copy, 500);
unsigned int s, e;
bitmap_zero(orig, 500);
bitmap_zero(copy, 500);
/* Set individual bits */
for (s = 0; s < 500; s += 10)
bitmap_set(orig, s, 1);
/* Set range of bits */
bitmap_set(orig, 100, 50);
for_each_set_bitrange(s, e, orig, 500)
bitmap_set(copy, s, e-s);
expect_eq_bitmap(orig, copy, 500);
}
static void __init test_for_each_clear_bitrange(void)
{
DECLARE_BITMAP(orig, 500);
DECLARE_BITMAP(copy, 500);
unsigned int s, e;
bitmap_fill(orig, 500);
bitmap_fill(copy, 500);
/* Set individual bits */
for (s = 0; s < 500; s += 10)
bitmap_clear(orig, s, 1);
/* Set range of bits */
bitmap_clear(orig, 100, 50);
for_each_clear_bitrange(s, e, orig, 500)
bitmap_clear(copy, s, e-s);
expect_eq_bitmap(orig, copy, 500);
}
static void __init test_for_each_set_bitrange_from(void)
{
DECLARE_BITMAP(orig, 500);
DECLARE_BITMAP(copy, 500);
unsigned int wr, s, e;
bitmap_zero(orig, 500);
/* Set individual bits */
for (s = 0; s < 500; s += 10)
bitmap_set(orig, s, 1);
/* Set range of bits */
bitmap_set(orig, 100, 50);
for (wr = 0; wr < 500; wr++) {
DECLARE_BITMAP(tmp, 500);
bitmap_zero(copy, 500);
s = wr;
for_each_set_bitrange_from(s, e, orig, 500)
bitmap_set(copy, s, e - s);
bitmap_copy(tmp, orig, 500);
bitmap_clear(tmp, 0, wr);
expect_eq_bitmap(tmp, copy, 500);
}
}
static void __init test_for_each_clear_bitrange_from(void)
{
DECLARE_BITMAP(orig, 500);
DECLARE_BITMAP(copy, 500);
unsigned int wr, s, e;
bitmap_fill(orig, 500);
/* Set individual bits */
for (s = 0; s < 500; s += 10)
bitmap_clear(orig, s, 1);
/* Set range of bits */
bitmap_set(orig, 100, 50);
for (wr = 0; wr < 500; wr++) {
DECLARE_BITMAP(tmp, 500);
bitmap_fill(copy, 500);
s = wr;
for_each_clear_bitrange_from(s, e, orig, 500)
bitmap_clear(copy, s, e - s);
bitmap_copy(tmp, orig, 500);
bitmap_set(tmp, 0, wr);
expect_eq_bitmap(tmp, copy, 500);
}
}
struct test_bitmap_cut {
unsigned int first;
unsigned int cut;
@ -989,12 +1222,21 @@ static void __init selftest(void)
test_bitmap_parselist();
test_bitmap_printlist();
test_mem_optimisations();
test_for_each_set_clump8();
test_bitmap_cut();
test_bitmap_print_buf();
test_bitmap_const_eval();
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();
}
KSTM_MODULE_LOADERS(test_bitmap);