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Test for ranges where min > max

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This commit is contained in:
Pieter Noordhuis 2011-01-17 11:10:30 +01:00
parent df278b8b0b
commit 8e1b327706
2 changed files with 8 additions and 0 deletions
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4
src/t_zset.c
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@ -196,6 +196,10 @@ static int zslValueInRange(double value, zrangespec *spec) {
int zslIsInRange(zskiplist *zsl, zrangespec *range) { int zslIsInRange(zskiplist *zsl, zrangespec *range) {
zskiplistNode *x; zskiplistNode *x;
/* Test for ranges that will always be empty. */
if (range->min > range->max ||
(range->min == range->max && (range->minex || range->maxex)))
return 0;
x = zsl->tail; x = zsl->tail;
if (x == NULL || !zslValueInMinRange(x->score,range)) if (x == NULL || !zslValueInMinRange(x->score,range))
return 0; return 0;

4
tests/unit/type/zset.tcl
View File

@ -233,12 +233,16 @@ start_server {tags {"zset"}} {
r zrem zset g r zrem zset g
# inclusive # inclusive
assert_equal {} [r zrangebyscore zset 4 2]
assert_equal {} [r zrangebyscore zset 6 +inf] assert_equal {} [r zrangebyscore zset 6 +inf]
assert_equal {} [r zrangebyscore zset -inf -6] assert_equal {} [r zrangebyscore zset -inf -6]
assert_equal {} [r zrevrangebyscore zset +inf 6] assert_equal {} [r zrevrangebyscore zset +inf 6]
assert_equal {} [r zrevrangebyscore zset -6 -inf] assert_equal {} [r zrevrangebyscore zset -6 -inf]
# exclusive # exclusive
assert_equal {} [r zrangebyscore zset (4 (2]
assert_equal {} [r zrangebyscore zset 2 (2]
assert_equal {} [r zrangebyscore zset (2 2]
assert_equal {} [r zrangebyscore zset (6 (+inf] assert_equal {} [r zrangebyscore zset (6 (+inf]
assert_equal {} [r zrangebyscore zset (-inf (-6] assert_equal {} [r zrangebyscore zset (-inf (-6]
assert_equal {} [r zrevrangebyscore zset (+inf (6] assert_equal {} [r zrevrangebyscore zset (+inf (6]