discard """
output: '''
13
hello humans!
13
'''
"""
import asyncfile, asyncdispatch, os
proc main() {.async.} =
let fn = getTempDir() / "foobar.txt"
removeFile(fn)
# Simple write/read test.
block:
var file = openAsync(fn, fmReadWrite)
await file.write("testing")
file.setFilePos(0)
await file.write("foo")
file.setFileSize(4)
file.setFilePos(0)
let data = await file.readAll()
doAssert data == "foot"
file.close()
# Append test
block:
var file = openAsync(fn, fmAppend)
await file.write("\ntest2")
let errorTest = file.readAll()
yield errorTest
doAssert errorTest.failed
file.close()
file = openAsync(fn, fmRead)
let data = await file.readAll()
doAssert data == "foot\ntest2"
file.close()
# Issue #5531
block:
removeFile(fn)
var file = openAsync(fn, fmWrite)
await file.write("test2")
file.close()
file = openAsync(fn, fmWrite)
await file.write("t3")
file.close()
file = openAsync(fn, fmRead)
let data = await file.readAll()
doAssert data == "t3"
file.close()
# Issue #7347
block:
var file = openAsync( parentDir(currentSourcePath) / "hello.txt")
echo file.getFileSize()
echo await file.readAll()
echo file.getFilePos()
waitFor main()