mirror of
https://github.com/nim-lang/Nim.git
synced 2025-12-29 01:14:41 +00:00
3d2f0e2c7c
* make more standard libraries work with `nimPreviewSlimSystem` * typo * part two * Delete specutils.nim * fixes more tests * more fixes * fixes tests * fixes three more tests * add formatfloat import * fix * last
70 lines
1.6 KiB
Nim
70 lines
1.6 KiB
Nim
import std/varints
|
|
import std/assertions
|
|
|
|
# xxx doesn't work with js: tvarints.nim(18, 14) `wrLen == rdLen` [AssertionDefect]
|
|
|
|
block:
|
|
var dest: array[50, byte]
|
|
var got: uint64
|
|
|
|
for test in [0xFFFF_FFFF_FFFFF_FFFFu64, 77u64, 0u64, 10_000_000u64, uint64(high(int64)),
|
|
uint64(high(int32)), uint64(high(int32)), uint64(high(int64))]:
|
|
let wrLen = writeVu64(dest, test)
|
|
let rdLen = readVu64(dest, got)
|
|
doAssert wrLen == rdLen
|
|
doAssert got == test
|
|
|
|
for test in 0u64..300u64:
|
|
let wrLen = writeVu64(dest, test)
|
|
let rdLen = readVu64(dest, got)
|
|
doAssert wrLen == rdLen
|
|
doAssert got == test
|
|
|
|
# check this also works for floats:
|
|
for test in [0.0, 0.1, 2.0, +Inf, NegInf]:
|
|
let t = cast[uint64](test)
|
|
let wrLenB = writeVu64(dest, t)
|
|
let rdLenB = readVu64(dest, got)
|
|
doAssert wrLenB == rdLenB
|
|
doAssert cast[float64](got) == test
|
|
|
|
block:
|
|
var hugeIntArray: array[50, byte]
|
|
var readedInt: uint64
|
|
|
|
template chk(a) =
|
|
let b = cast[uint64](a)
|
|
doAssert writeVu64(hugeIntArray, b) == readVu64(hugeIntArray, readedInt)
|
|
doAssert readedInt == b
|
|
|
|
chk 0
|
|
chk uint64.high
|
|
chk int64.high
|
|
chk int32.high
|
|
chk int16.high
|
|
chk int16.high
|
|
chk int8.high
|
|
chk 0.0
|
|
chk -0.0
|
|
chk 0.1
|
|
chk Inf
|
|
chk NegInf
|
|
chk NaN
|
|
chk 3.1415926535897932384626433
|
|
|
|
block:
|
|
template chk(a) =
|
|
let b = cast[uint64](a)
|
|
doAssert encodeZigzag(decodeZigzag(b)) == b
|
|
chk 0
|
|
chk uint32.high
|
|
chk int32.high
|
|
chk int16.high
|
|
chk int8.high
|
|
chk 0.0
|
|
chk 0.1
|
|
chk 0.9555555555555555555555501
|
|
chk Inf
|
|
chk 3.1415926535897932384626433
|
|
chk 2.71828182845904523536028747
|