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BITFIELD basic unit tests.

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antirez 2016-03-02 16:31:02 +01:00
parent fc843784c3
commit ae7317e8e9
1 changed files with 85 additions and 1 deletions
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86
tests/unit/bitfield.tcl
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@ -1,5 +1,89 @@
start_server {tags {"bitops"}} {
test {BITFIELD overflow check fuzzing} {
test {BITFIELD signed SET and GET basics} {
r del bits
set results {}
lappend results [r bitfield bits set i8 0 -100]
lappend results [r bitfield bits set i8 0 101]
lappend results [r bitfield bits get i8 0]
set results
} {0 -100 101}
test {BITFIELD unsigned SET and GET basics} {
r del bits
set results {}
lappend results [r bitfield bits set u8 0 255]
lappend results [r bitfield bits set u8 0 100]
lappend results [r bitfield bits get u8 0]
set results
} {0 255 100}
test {BITFIELD #<idx> form} {
r del bits
set results {}
r bitfield bits set u8 #0 65
r bitfield bits set u8 #1 66
r bitfield bits set u8 #2 67
r get bits
} {ABC}
test {BITFIELD basic INCRBY form} {
r del bits
set results {}
r bitfield bits set u8 #0 10
lappend results [r bitfield bits incrby u8 #0 100]
lappend results [r bitfield bits incrby u8 #0 100]
set results
} {110 210}
test {BITFIELD chaining of multiple commands} {
r del bits
set results {}
r bitfield bits set u8 #0 10
lappend results [r bitfield bits incrby u8 #0 100 incrby u8 #0 100]
set results
} {{110 210}}
test {BITFIELD unsigned overflow wrap} {
r del bits
set results {}
r bitfield bits set u8 #0 100
lappend results [r bitfield bits overflow wrap incrby u8 #0 257]
lappend results [r bitfield bits get u8 #0]
lappend results [r bitfield bits overflow wrap incrby u8 #0 255]
lappend results [r bitfield bits get u8 #0]
} {101 101 100 100}
test {BITFIELD unsigned overflow sat} {
r del bits
set results {}
r bitfield bits set u8 #0 100
lappend results [r bitfield bits overflow sat incrby u8 #0 257]
lappend results [r bitfield bits get u8 #0]
lappend results [r bitfield bits overflow sat incrby u8 #0 -255]
lappend results [r bitfield bits get u8 #0]
} {255 255 0 0}
test {BITFIELD signed overflow wrap} {
r del bits
set results {}
r bitfield bits set i8 #0 100
lappend results [r bitfield bits overflow wrap incrby i8 #0 257]
lappend results [r bitfield bits get i8 #0]
lappend results [r bitfield bits overflow wrap incrby i8 #0 255]
lappend results [r bitfield bits get i8 #0]
} {101 101 100 100}
test {BITFIELD signed overflow sat} {
r del bits
set results {}
r bitfield bits set u8 #0 100
lappend results [r bitfield bits overflow sat incrby i8 #0 257]
lappend results [r bitfield bits get i8 #0]
lappend results [r bitfield bits overflow sat incrby i8 #0 -255]
lappend results [r bitfield bits get i8 #0]
} {127 127 -128 -128}
test {BITFIELD overflow detection fuzzing} {
for {set j 0} {$j < 1000} {incr j} {
set bits [expr {[randomInt 64]+1}]
set sign [randomInt 2]