diff options
| -rw-r--r-- | src/mosmllib/test/packreallittle.sml | 75 | ||||
| -rw-r--r-- | src/mosmllib/test/result.ok | 54 | ||||
| -rw-r--r-- | src/mosmllib/test/test.sml | 3 |
3 files changed, 122 insertions, 10 deletions
diff --git a/src/mosmllib/test/packreallittle.sml b/src/mosmllib/test/packreallittle.sml new file mode 100644 index 0000000..3bd29ef --- /dev/null +++ b/src/mosmllib/test/packreallittle.sml @@ -0,0 +1,75 @@ +use "auxil.sml"; +load "PackRealLittle"; +local + structure P = PackRealLittle + fun hex w = StringCvt.padLeft #"0" 2 (Word8.fmt StringCvt.HEX w) + fun pow n i = + let fun loop 0 acc = acc + | loop i acc = loop (i-1) (n * acc) + in loop i 1 + end +in + +fun roundtrip r = + let val packed = P.toBytes r + val endian = if P.isBigEndian then "(big endian)\n" + else "(little endian)\n" + in app print [" ", Real.fmt (StringCvt.FIX NONE) r, " is enconded as "] + ; Word8Vector.app (fn w => app print [hex w, " "]) packed + ; print endian + ; Real.== (r, P.fromBytes packed) + end + +val test_roundtrip = + check'(fn _ => + List.all roundtrip + [~420.0, + ~1.1, + ~0.123456789, + ~0.0, + 0.0, + 1.0, + 1.1, + 2.0, + 420E6, + real (valOf Int.maxInt), + real (pow 2 53 - 1), + real (pow 2 53), + real (pow 2 53 + 1), + Math.pi, + Math.e]); + +val encoded = + [0wx40, 0wx09, 0wx21, 0wxFB, 0wx54, 0wx44, 0wx2D, 0wx18, + 0wx40, 0wx09, 0wx21, 0wxFB, 0wx54, 0wx44, 0wx2D, 0wx18] + +val test_subvec = + let val encoded = Word8Vector.fromList encoded + in check'(fn _ => Real.== (P.subVec(encoded, 0), + P.subVec(encoded, 1))) + end; + +val test_subarr = + let val encoded = Word8Array.fromList encoded + in check'(fn _ => Real.== (P.subArr(encoded, 0), + P.subArr(encoded, 1))) + end; + +val test_update0 = + let val encoded = Word8Array.fromList encoded + in check'(fn _ => + ( P.update(encoded, 0, 0.0) + ; Real.== (P.subArr(encoded, 0), + 0.0) + )) + end; + +val test_update1 = + let val encoded = Word8Array.fromList encoded + in check'(fn _ => + ( P.update(encoded, 1, 1.0) + ; Real.== (P.subArr(encoded, 1), + 1.0) + )) + end; +end diff --git a/src/mosmllib/test/result.ok b/src/mosmllib/test/result.ok index b2d76aa..159b5bb 100644 --- a/src/mosmllib/test/result.ok +++ b/src/mosmllib/test/result.ok @@ -438,15 +438,15 @@ Enter `quit();' to quit. > val checkrange = fn : int * int -> (int -> bool) -> string [closing file "auxil.sml"] > val it = () : unit -VARYING: This is (local time) now: Fri Jul 2 20:31:32 2021 -VARYING: This is UTC now: Fri Jul 2 18:31:32 2021 -VARYING: This is an hour from now: Fri Jul 2 21:31:32 2021 -VARYING: This is a day from now: Sat Jul 3 20:31:32 2021 -VARYING: This is a week from now: Fri Jul 9 20:31:32 2021 -VARYING: This is 120 days from now: Sat Oct 30 20:31:32 2021 -VARYING: This is 160 days from now: Thu Dec 9 19:31:32 2021 -VARYING: This is 200 days from now: Tue Jan 18 19:31:32 2022 -VARYING: This is 240 days from now: Sun Feb 27 19:31:32 2022 +VARYING: This is (local time) now: Fri Jul 2 20:59:07 2021 +VARYING: This is UTC now: Fri Jul 2 18:59:07 2021 +VARYING: This is an hour from now: Fri Jul 2 21:59:07 2021 +VARYING: This is a day from now: Sat Jul 3 20:59:07 2021 +VARYING: This is a week from now: Fri Jul 9 20:59:07 2021 +VARYING: This is 120 days from now: Sat Oct 30 20:59:07 2021 +VARYING: This is 160 days from now: Thu Dec 9 19:59:07 2021 +VARYING: This is 200 days from now: Tue Jan 18 19:59:07 2022 +VARYING: This is 240 days from now: Sun Feb 27 19:59:07 2022 VARYING: This is the epoch (UTC): Thu Jan 1 00:00:00 1970 The UTC millenium (UTC time): Sat Jan 1 00:00:00 2000 The UTC millenium (UTC time): Sat Jan 1 00:00:00 2000 @@ -2146,4 +2146,40 @@ VARYING: ///////////////////////////////////// val test_update0 = "OK" : string val test_update1 = "OK" : string [closing file "packrealbig.sml"] +[opening file "packreallittle.sml"] +[opening file "auxil.sml"] +> infix 1 seq + val ('b, 'c) seq = fn : 'b * 'c -> 'c +> val check = fn : bool -> string +> val check' = fn : (unit -> bool) -> string +> val range = fn : int * int -> (int -> bool) -> bool +> val checkrange = fn : int * int -> (int -> bool) -> string +[closing file "auxil.sml"] +> val it = () : unit +> val it = () : unit + ~420.000000 is enconded as 00 00 00 00 00 40 7A C0 (little endian) + ~1.100000 is enconded as 9A 99 99 99 99 99 F1 BF (little endian) + ~0.123457 is enconded as 5F 63 39 37 DD 9A BF BF (little endian) + 0.000000 is enconded as 00 00 00 00 00 00 00 00 (little endian) + 0.000000 is enconded as 00 00 00 00 00 00 00 00 (little endian) + 1.000000 is enconded as 00 00 00 00 00 00 F0 3F (little endian) + 1.100000 is enconded as 9A 99 99 99 99 99 F1 3F (little endian) + 2.000000 is enconded as 00 00 00 00 00 00 00 40 (little endian) + 420000000.000000 is enconded as 00 00 00 00 B1 08 B9 41 (little endian) + 4611686018427387904.000000 is enconded as 00 00 00 00 00 00 D0 43 (little endian) + 9007199254740991.000000 is enconded as FF FF FF FF FF FF 3F 43 (little endian) + 9007199254740992.000000 is enconded as 00 00 00 00 00 00 40 43 (little endian) + 9007199254740992.000000 is enconded as 00 00 00 00 00 00 40 43 (little endian) + 3.141593 is enconded as 18 2D 44 54 FB 21 09 40 (little endian) + 2.718282 is enconded as 69 57 14 8B 0A BF 05 40 (little endian) +> val roundtrip = fn : real -> bool + val test_roundtrip = "OK" : string + val encoded = + [0wx40, 0wx9, 0wx21, 0wxFB, 0wx54, 0wx44, 0wx2D, 0wx18, 0wx40, 0wx9, 0wx21, + 0wxFB, 0wx54, 0wx44, 0wx2D, 0wx18] : word8 list + val test_subvec = "OK" : string + val test_subarr = "OK" : string + val test_update0 = "OK" : string + val test_update1 = "OK" : string +[closing file "packreallittle.sml"] > val it = () : unit diff --git a/src/mosmllib/test/test.sml b/src/mosmllib/test/test.sml index 560f1e7..1ddae63 100644 --- a/src/mosmllib/test/test.sml +++ b/src/mosmllib/test/test.sml @@ -39,7 +39,8 @@ app use "word8arrayslice.sml", "word8vector.sml", "word8vectorslice.sml", - "packrealbig.sml" + "packrealbig.sml", + "packreallittle.sml" ]; ignore(Process.exit Process.success); |