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discard """
matrix: "--mm:refc; --mm:orc"
input: "Arne"
output: '''
Hello! What is your name?
Nice name: Arne
fs is: nil
threw exception
_heh_
'''
nimout: '''
I
AM
GROOT
'''
"""
import std/[syncio, streams, assertions]
block tstreams:
var outp = newFileStream(stdout)
var inp = newFileStream(stdin)
writeLine(outp, "Hello! What is your name?")
var line = readLine(inp)
writeLine(outp, "Nice name: " & line)
block tstreams2:
var
fs = newFileStream("amissingfile.txt")
line = ""
echo "fs is: ",repr(fs)
if not isNil(fs):
while fs.readLine(line):
echo line
fs.close()
block tstreams3:
try:
var fs = openFileStream("shouldneverexist.txt")
except IOError:
echo "threw exception"
static:
var s = newStringStream("I\nAM\nGROOT")
for line in s.lines:
echo line
s.close
block:
let fs = newFileStream("amissingfile.txt")
defer: fs.close()
doAssert isNil(fs)
# bug #12410
var a = newStringStream "hehohihahuhyh"
a.readDataStrImpl = nil
var buffer = "_ooo_"
doAssert a.readDataStr(buffer, 1..3) == 3
echo buffer
block:
var ss = newStringStream("The quick brown fox jumped over the lazy dog.\nThe lazy dog ran")
doAssert(ss.getPosition == 0)
doAssert(ss.peekStr(5) == "The q")
doAssert(ss.getPosition == 0) # haven't moved
doAssert(ss.readStr(5) == "The q")
doAssert(ss.getPosition == 5) # did move
doAssert(ss.peekLine() == "uick brown fox jumped over the lazy dog.")
doAssert(ss.getPosition == 5) # haven't moved
var str = newString(100)
doAssert(ss.peekLine(str))
doAssert(str == "uick brown fox jumped over the lazy dog.")
doAssert(ss.getPosition == 5) # haven't moved
# bug #19707 - Ensure we dont error with writing over literals on arc/orc
ss.setPosition(0)
ss.write("hello")
ss.setPosition(0)
doAssert(ss.peekStr(5) == "hello")
# bug #19716
static: # Ensure streams it doesnt break with nimscript on arc/orc #19716
let s = newStringStream("a")
doAssert s.data == "a"
static: # issue #24054, readStr
var s = newStringStream("foo bar baz")
doAssert s.readStr(3) == "foo"
template main =
var strm = newStringStream("abcde")
var buffer = "12345"
doAssert strm.readDataStr(buffer, 0..3) == 4
doAssert buffer == "abcd5"
strm.close()
static: main()
main()
|
