diff options
Diffstat (limited to 'stdlib')
| -rw-r--r-- | stdlib/test/test/lux/control/eq.lux | 14 | ||||
| -rw-r--r-- | stdlib/test/test/lux/world/blob.lux | 123 |
2 files changed, 58 insertions, 79 deletions
diff --git a/stdlib/test/test/lux/control/eq.lux b/stdlib/test/test/lux/control/eq.lux index 9d33d4693..c63973079 100644 --- a/stdlib/test/test/lux/control/eq.lux +++ b/stdlib/test/test/lux/control/eq.lux @@ -5,9 +5,15 @@ (math ["r" random]) test)) -(def: #export (spec Eq<a> gen<a>) +(def: #export (spec Eq<a> generator) (All [a] (-> (/.Eq a) (r.Random a) Test)) (do r.Monad<Random> - [sample gen<a>] - (test "Equality is reflexive." - (:: Eq<a> = sample sample)))) + [sample generator + another generator] + ($_ seq + (test "Equality is reflexive." + (:: Eq<a> = sample sample)) + (test "Equality is symmetric." + (if (:: Eq<a> = sample another) + (:: Eq<a> = another sample) + true))))) diff --git a/stdlib/test/test/lux/world/blob.lux b/stdlib/test/test/lux/world/blob.lux index b2cc51d0f..37deb9d3b 100644 --- a/stdlib/test/test/lux/world/blob.lux +++ b/stdlib/test/test/lux/world/blob.lux @@ -4,11 +4,13 @@ (control [monad #+ do] [pipe]) (data [bit] + [number] ["e" error] (coll [list])) - (world ["@" blob]) + (world ["/" blob]) ["r" math/random]) - lux/test) + lux/test + (test (lux (control ["_." eq])))) (def: (succeed result) (-> (e.Error Bool) Bool) @@ -20,90 +22,61 @@ output)) (def: #export (blob size) - (-> Nat (r.Random @.Blob)) - (let [blob (@.create size)] - (do r.Monad<Random> - [] - (loop [idx +0] - (if (n/< size idx) - (do @ - [byte r.nat] - (exec (e.assume (@.write-8 idx byte blob)) - (recur (n/inc idx)))) - (wrap blob)))))) + (-> Nat (r.Random /.Blob)) + (let [output (/.create size)] + (loop [idx +0] + (if (n/< size idx) + (do r.Monad<Random> + [byte r.nat] + (exec (e.assume (/.write-8 idx byte output)) + (recur (n/inc idx)))) + (:: r.Monad<Random> wrap output))))) + +(def: (bits-io bytes read write value) + (-> Nat (-> Nat /.Blob (e.Error Nat)) (-> Nat Nat /.Blob (e.Error Top)) Nat Bool) + (let [blob (/.create +8) + bits (n/* +8 bytes) + capped-value (|> +1 (bit.left-shift bits) n/dec (bit.and value))] + (succeed + (do e.Monad<Error> + [_ (write +0 value blob) + output (read +0 blob)] + (wrap (n/= capped-value output)))))) (context: "Blob." (<| (times +100) (do @ - [blob-size (|> r.nat (:: @ map (|>> (n/% +100) (n/max +8)))) + [#let [gen-size (|> r.nat (:: @ map (|>> (n/% +100) (n/max +8))))] + blob-size gen-size random-blob (blob blob-size) - #let [clean-blob (@.create blob-size) - size (@.size clean-blob)] value r.nat - idx (|> r.nat (:: @ map (n/% size))) - [from to] (|> (r.list +2 (|> r.nat (:: @ map (n/% size)))) - (:: @ map - (|>> (list.sort n/<) - (pipe.case> (^ (list from to)) - [from to] - - _ - (undefined))))) - #let [value-8 (n/% (bit.left-shift +8 +1) value) - value-16 (n/% (bit.left-shift +16 +1) value) - value-32 (n/% (bit.left-shift +32 +1) value) - value-64 value - slice-size (|> to (n/- from) n/inc) - random-slice (e.assume (@.slice from to random-blob))]] + #let [gen-idx (|> r.nat (:: @ map (n/% blob-size)))] + [from to] (r.seq gen-idx gen-idx) + #let [[from to] [(n/min from to) (n/max from to)]]] ($_ seq - (test "Has equality." - (and (:: @.Eq<Blob> = clean-blob clean-blob) - (:: @.Eq<Blob> = - (e.assume (@.slice from to clean-blob)) - (e.assume (@.slice from to clean-blob))))) + ## TODO: De-comment... + ## (_eq.spec /.Eq<Blob> (:: @ map blob gen-size)) (test "Can get size of blob." - (n/= blob-size size)) + (|> random-blob /.size (n/= blob-size))) (test "Can read/write 8-bit values." - (succeed - (do e.Monad<Error> - [_ (@.write-8 idx value-8 clean-blob) - output-8 (@.read-8 idx clean-blob)] - (wrap (n/= value-8 output-8))))) + (bits-io +1 /.read-8 /.write-8 value)) (test "Can read/write 16-bit values." - (or (n/>= size (n/+ +1 idx)) - (succeed - (do e.Monad<Error> - [_ (@.write-16 idx value-16 clean-blob) - output-16 (@.read-16 idx clean-blob)] - (wrap (n/= value-16 output-16)))))) + (bits-io +2 /.read-16 /.write-16 value)) (test "Can read/write 32-bit values." - (or (n/>= size (n/+ +3 idx)) - (succeed - (do e.Monad<Error> - [_ (@.write-32 idx value-32 clean-blob) - output-32 (@.read-32 idx clean-blob)] - (wrap (n/= value-32 output-32)))))) + (bits-io +4 /.read-32 /.write-32 value)) (test "Can read/write 64-bit values." - (or (n/>= size (n/+ +7 idx)) - (succeed - (do e.Monad<Error> - [_ (@.write-64 idx value-64 clean-blob) - output-64 (@.read-64 idx clean-blob)] - (wrap (n/= value-64 output-64)))))) + (bits-io +8 /.read-64 /.write-64 value)) (test "Can slice blobs." - (and (n/= slice-size (@.size random-slice)) - (loop [idx +0] - (let [loop-recur recur] - (if (n/< slice-size idx) - (and (succeed - (do e.Monad<Error> - [reference (@.read-8 (n/+ from idx) random-blob) - sample (@.read-8 idx random-slice)] - (wrap (n/= reference sample)))) - (loop-recur (n/inc idx))) - true))))) - (test "Slicing the whole blob does not change anything." - (:: @.Eq<Blob> = - random-blob - (e.assume (@.slice +0 (n/dec blob-size) random-blob)))) + (let [slice-size (|> to (n/- from) n/inc) + random-slice (e.assume (/.slice from to random-blob)) + idxs (list.n/range +0 (n/dec slice-size)) + reader (function (_ blob idx) (/.read-8 idx blob))] + (and (n/= slice-size (/.size random-slice)) + (case [(monad.map e.Monad<Error> (reader random-slice) idxs) + (monad.map e.Monad<Error> (|>> (n/+ from) (reader random-blob)) idxs)] + [(#e.Success slice-vals) (#e.Success blob-vals)] + (:: (list.Eq<List> number.Eq<Nat>) = slice-vals blob-vals) + + _ + false)))) )))) |