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more tests for zrange and zrevrange; fix behavior for out-of-range negative end index

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This commit is contained in:
Pieter Noordhuis 2010-06-15 15:40:28 +02:00
parent d5096a28d7
commit 184d74abc6
2 changed files with 62 additions and 12 deletions
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5
redis.c
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@ -6662,11 +6662,10 @@ static void zrangeGenericCommand(redisClient *c, int reverse) {
if (start < 0) start = llen+start;
if (end < 0) end = llen+end;
if (start < 0) start = 0;
if (end < 0) end = 0;
/* indexes sanity checks */
/* Invariant: start >= 0, so this test will be true when end < 0.
* The range is empty when start > end or start >= length. */
if (start > end || start >= llen) {
/* Out of range start or start > end result in empty list */
addReply(c,shared.emptymultibulk);
return;
}

69
tests/unit/type/zset.tcl
View File

@ -17,6 +17,66 @@ start_server {tags {"zset"}} {
r zcard ztmp-blabla
} {0}
test "ZRANGE basics" {
r del ztmp
r zadd ztmp 1 a
r zadd ztmp 2 b
r zadd ztmp 3 c
r zadd ztmp 4 d
assert_equal {a b c d} [r zrange ztmp 0 -1]
assert_equal {a b c} [r zrange ztmp 0 -2]
assert_equal {b c d} [r zrange ztmp 1 -1]
assert_equal {b c} [r zrange ztmp 1 -2]
assert_equal {c d} [r zrange ztmp -2 -1]
assert_equal {c} [r zrange ztmp -2 -2]
# out of range start index
assert_equal {a b c} [r zrange ztmp -5 2]
assert_equal {a b} [r zrange ztmp -5 1]
assert_equal {} [r zrange ztmp 5 -1]
assert_equal {} [r zrange ztmp 5 -2]
# out of range end index
assert_equal {a b c d} [r zrange ztmp 0 5]
assert_equal {b c d} [r zrange ztmp 1 5]
assert_equal {} [r zrange ztmp 0 -5]
assert_equal {} [r zrange ztmp 1 -5]
# withscores
assert_equal {a 1 b 2 c 3 d 4} [r zrange ztmp 0 -1 withscores]
}
test "ZREVRANGE basics" {
r del ztmp
r zadd ztmp 1 a
r zadd ztmp 2 b
r zadd ztmp 3 c
r zadd ztmp 4 d
assert_equal {d c b a} [r zrevrange ztmp 0 -1]
assert_equal {d c b} [r zrevrange ztmp 0 -2]
assert_equal {c b a} [r zrevrange ztmp 1 -1]
assert_equal {c b} [r zrevrange ztmp 1 -2]
assert_equal {b a} [r zrevrange ztmp -2 -1]
assert_equal {b} [r zrevrange ztmp -2 -2]
# out of range start index
assert_equal {d c b} [r zrevrange ztmp -5 2]
assert_equal {d c} [r zrevrange ztmp -5 1]
assert_equal {} [r zrevrange ztmp 5 -1]
assert_equal {} [r zrevrange ztmp 5 -2]
# out of range end index
assert_equal {d c b a} [r zrevrange ztmp 0 5]
assert_equal {c b a} [r zrevrange ztmp 1 5]
assert_equal {} [r zrevrange ztmp 0 -5]
assert_equal {} [r zrevrange ztmp 1 -5]
# withscores
assert_equal {d 4 c 3 b 2 a 1} [r zrevrange ztmp 0 -1 withscores]
}
test {ZRANK basics} {
r zadd zranktmp 10 x
r zadd zranktmp 20 y
@ -69,15 +129,6 @@ start_server {tags {"zset"}} {
set _ $err
} {}
test {ZRANGE and ZREVRANGE basics} {
list [r zrange ztmp 0 -1] [r zrevrange ztmp 0 -1] \
[r zrange ztmp 1 -1] [r zrevrange ztmp 1 -1]
} {{y x z} {z x y} {x z} {x y}}
test {ZRANGE WITHSCORES} {
r zrange ztmp 0 -1 withscores
} {y 1 x 10 z 30}
test {ZSETs stress tester - sorting is working well?} {
set delta 0
for {set test 0} {$test < 2} {incr test} {