factor/core/hashtables/hashtables-tests.factor

166 lines
3.8 KiB
Factor
Executable File

IN: temporary
USING: kernel math namespaces tools.test vectors sequences
sequences.private hashtables io prettyprint assocs
continuations ;
[ f ] [ "hi" V{ 1 2 3 } at ] unit-test
[ H{ } ] [ { } [ dup ] H{ } map>assoc ] unit-test
[ ] [ 1000 [ dup sq ] H{ } map>assoc "testhash" set ] unit-test
[ V{ } ]
[ 1000 [ dup sq swap "testhash" get at = not ] subset ]
unit-test
[ t ]
[ "testhash" get hashtable? ]
unit-test
[ f ]
[ { 1 { 2 3 } } hashtable? ]
unit-test
! Test some hashcodes.
[ t ] [ [ 1 2 3 ] hashcode [ 1 2 3 ] hashcode = ] unit-test
[ t ] [ [ 1 [ 2 3 ] 4 ] hashcode [ 1 [ 2 3 ] 4 ] hashcode = ] unit-test
[ t ] [ 12 hashcode 12 hashcode = ] unit-test
[ t ] [ 12 >bignum hashcode 12 hashcode = ] unit-test
[ t ] [ 12.0 hashcode 12 >bignum hashcode = ] unit-test
! Test various odd keys to see if they work.
16 <hashtable> "testhash" set
t { 2 3 } "testhash" get set-at
f 100000000000000000000000000 "testhash" get set-at
{ } { [ { } ] } "testhash" get set-at
[ t ] [ { 2 3 } "testhash" get at ] unit-test
[ f ] [ 100000000000000000000000000 "testhash" get at* drop ] unit-test
[ { } ] [ { [ { } ] } clone "testhash" get at* drop ] unit-test
! Regression
3 <hashtable> "broken-remove" set
1 W{ \ + } dup "x" set "broken-remove" get set-at
2 W{ \ = } dup "y" set "broken-remove" get set-at
"x" get "broken-remove" get delete-at
2 "y" get "broken-remove" get set-at
[ 1 ] [ "broken-remove" get keys length ] unit-test
{
{ "salmon" "fish" }
{ "crocodile" "reptile" }
{ "cow" "mammal" }
{ "visual basic" "language" }
} >hashtable "testhash" set
[ f f ] [
"visual basic" "testhash" get delete-at
"visual basic" "testhash" get at*
] unit-test
[ t ] [ H{ } dup = ] unit-test
[ f ] [ "xyz" H{ } = ] unit-test
[ t ] [ H{ } H{ } = ] unit-test
[ f ] [ H{ { 1 3 } } H{ } = ] unit-test
[ f ] [ H{ } H{ { 1 3 } } = ] unit-test
[ t ] [ H{ { 1 3 } } H{ { 1 3 } } = ] unit-test
[ f ] [ H{ { 1 3 } } H{ { 1 "hey" } } = ] unit-test
! Testing the hash element counting
H{ } clone "counting" set
"value" "key" "counting" get set-at
[ 1 ] [ "counting" get assoc-size ] unit-test
"value" "key" "counting" get set-at
[ 1 ] [ "counting" get assoc-size ] unit-test
"key" "counting" get delete-at
[ 0 ] [ "counting" get assoc-size ] unit-test
"key" "counting" get delete-at
[ 0 ] [ "counting" get assoc-size ] unit-test
! Test rehashing
2 <hashtable> "rehash" set
1 1 "rehash" get set-at
2 2 "rehash" get set-at
3 3 "rehash" get set-at
4 4 "rehash" get set-at
5 5 "rehash" get set-at
6 6 "rehash" get set-at
[ 6 ] [ "rehash" get assoc-size ] unit-test
[ 6 ] [ "rehash" get clone assoc-size ] unit-test
"rehash" get clear-assoc
[ 0 ] [ "rehash" get assoc-size ] unit-test
[
3
] [
2 H{
{ 1 2 }
{ 2 3 }
} clone at
] unit-test
! There was an assoc in place of assoc* somewhere
3 <hashtable> "f-hash-test" set
10 [ f f "f-hash-test" get set-at ] times
[ 1 ] [ "f-hash-test" get assoc-size ] unit-test
! Resource leak...
H{ } "x" set
100 [ drop "x" get clear-assoc ] each
! Crash discovered by erg
[ t ] [ 0.75 <hashtable> dup clone = ] unit-test
! Another crash discovered by erg
[ ] [
H{ } clone
[ 1 swap set-at ] catch drop
[ 2 swap set-at ] catch drop
[ 3 swap set-at ] catch drop
drop
] unit-test
[ H{ { -1 4 } { -3 16 } { -5 36 } } ] [
H{ { 1 2 } { 3 4 } { 5 6 } }
[ >r neg r> sq ] assoc-map
] unit-test
! Bug discovered by littledan
[ { 5 5 5 5 } ] [
[
H{
{ 1 2 }
{ 2 3 }
{ 3 4 }
{ 4 5 }
{ 5 6 }
} clone
dup keys length ,
dup assoc-size ,
dup rehash
dup keys length ,
assoc-size ,
] { } make
] unit-test
[ { "one" "two" 3 } ] [
H{ { 1 "one" } { 2 "two" } }
{ 1 2 3 } clone [ substitute ] keep
] unit-test
[ f ] [ { 0 1 1 2 3 5 } all-unique? ] unit-test
[ t ] [ { 0 1 2 3 4 5 } all-unique? ] unit-test