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discard """
matrix: "--mm:refc; --mm:orc"
"""
# xxx move to here other tests that belong here; io is a proper module
import std/os
from stdtest/specialpaths import buildDir
import std/[assertions, syncio]
block: # readChars
let file = buildDir / "D20201118T205105.txt"
let s = "he\0l\0lo"
writeFile(file, s)
defer: removeFile(file)
let f = open(file)
defer: close(f)
let n = f.getFileInfo.blockSize
var buf = newString(n)
template fn =
let n2 = f.readChars(buf)
doAssert n2 == s.len
doAssert buf[0..<n2] == s
fn()
setFilePos(f, 0)
fn()
block:
setFilePos(f, 0)
var s2: string
let nSmall = 2
for ai in buf.mitems: ai = '\0'
var n2s: seq[int]
while true:
let n2 = f.readChars(toOpenArray(buf, 0, nSmall-1))
# xxx: maybe we could support: toOpenArray(buf, 0..nSmall)
n2s.add n2
s2.add buf[0..<n2]
if n2 == 0:
break
doAssert n2s == @[2,2,2,1,0]
doAssert s2 == s
import std/strutils
block: # bug #21273
let FILE = buildDir / "D20220119T134305.txt"
let hex = "313632313920313632343720313632353920313632363020313632393020323035363520323037323120323131353020323239393820323331303520323332313020323332343820323332363820"
writeFile FILE, parseHexStr(hex)
doAssert readFile(FILE).toHex == hex
let f = open(FILE)
var s = newString(80)
while f.readLine(s):
doAssert s.toHex == hex
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