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authorPaul Gortmaker <paul.gortmaker@windriver.com>2021-02-21 03:08:22 -0500
committerPaul E. McKenney <paulmck@kernel.org>2021-03-08 14:16:58 -0800
commit97330db3af9a41302d1ccb0f495fcb5b5da2cc44 (patch)
treeeff37f6f777b0f596da59aeba56fdc0280648acf /lib
parent6fef5905fbd691aeb91093056b27d5ee7b106097 (diff)
downloadlinux-97330db3af9a41302d1ccb0f495fcb5b5da2cc44.tar.gz
lib: test_bitmap: add more start-end:offset/len tests
There are inputs to bitmap_parselist() that would probably never be entered manually by a person, but might result from some kind of automated input generator. Things like ranges of length 1, or group lengths longer than nbits, overlaps, or offsets of zero. Adding these tests serve two purposes: 1) document what might seem odd but nonetheless valid input. 2) don't regress from what we currently accept as valid. Cc: Yury Norov <yury.norov@gmail.com> Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Yury Norov <yury.norov@gmail.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Diffstat (limited to 'lib')
-rw-r--r--lib/test_bitmap.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/lib/test_bitmap.c b/lib/test_bitmap.c
index 0f2e91d0a84c..3c1c46deb8fe 100644
--- a/lib/test_bitmap.c
+++ b/lib/test_bitmap.c
@@ -34,6 +34,8 @@ static const unsigned long exp1[] __initconst = {
BITMAP_FROM_U64(0x3333333311111111ULL),
BITMAP_FROM_U64(0xffffffff77777777ULL),
BITMAP_FROM_U64(0),
+ BITMAP_FROM_U64(0x00008000),
+ BITMAP_FROM_U64(0x80000000),
};
static const unsigned long exp2[] __initconst = {
@@ -334,6 +336,26 @@ static const struct test_bitmap_parselist parselist_tests[] __initconst = {
{0, " , ,, , , ", &exp1[12 * step], 8, 0},
{0, " , ,, , , \n", &exp1[12 * step], 8, 0},
+ {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},
+
+ {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},
+
{-EINVAL, "-1", NULL, 8, 0},
{-EINVAL, "-0", NULL, 8, 0},
{-EINVAL, "10-1", NULL, 8, 0},