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ruby--ruby/test/ruby/test_io.rb
Jeremy Evans ffd0820ab3 Deprecate taint/trust and related methods, and make the methods no-ops 
This removes the related tests, and puts the related specs behind
version guards.  This affects all code in lib, including some
libraries that may want to support older versions of Ruby.
2019-11-18 01:00:25 +02:00

3956 lines
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Ruby
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# coding: US-ASCII
# frozen_string_literal: false
require 'test/unit'
require 'tmpdir'
require "fcntl"
require 'io/nonblock'
require 'pathname'
require 'socket'
require 'stringio'
require 'timeout'
require 'tempfile'
require 'weakref'
class TestIO < Test::Unit::TestCase
module Feature
def have_close_on_exec?
$stdin.close_on_exec?
true
rescue NotImplementedError
false
end
def have_nonblock?
IO.method_defined?("nonblock=")
end
end
include Feature
extend Feature
def pipe(wp, rp)
re, we = nil, nil
r, w = IO.pipe
rt = Thread.new do
begin
rp.call(r)
rescue Exception
r.close
re = $!
end
end
wt = Thread.new do
begin
wp.call(w)
rescue Exception
w.close
we = $!
end
end
flunk("timeout") unless wt.join(10) && rt.join(10)
ensure
w&.close
r&.close
(wt.kill; wt.join) if wt
(rt.kill; rt.join) if rt
raise we if we
raise re if re
end
def with_pipe
r, w = IO.pipe
begin
yield r, w
ensure
r.close
w.close
end
end
def with_read_pipe(content)
pipe(proc do |w|
w << content
w.close
end, proc do |r|
yield r
end)
end
def mkcdtmpdir
Dir.mktmpdir {|d|
Dir.chdir(d) {
yield
}
}
end
def trapping_usr2
@usr2_rcvd = 0
r, w = IO.pipe
trap(:USR2) do
w.write([@usr2_rcvd += 1].pack('L'))
end
yield r
ensure
trap(:USR2, "DEFAULT")
w&.close
r&.close
end
def test_pipe
r, w = IO.pipe
assert_instance_of(IO, r)
assert_instance_of(IO, w)
[
Thread.start{
w.print "abc"
w.close
},
Thread.start{
assert_equal("abc", r.read)
r.close
}
].each{|thr| thr.join}
end
def test_binmode_pipe
EnvUtil.with_default_internal(Encoding::UTF_8) do
EnvUtil.with_default_external(Encoding::UTF_8) do
begin
reader0, writer0 = IO.pipe
reader0.binmode
writer0.binmode
reader1, writer1 = IO.pipe
reader2, writer2 = IO.pipe(binmode: true)
assert_predicate writer0, :binmode?
assert_predicate writer2, :binmode?
assert_equal writer0.binmode?, writer2.binmode?
assert_equal writer0.external_encoding, writer2.external_encoding
assert_equal writer0.internal_encoding, writer2.internal_encoding
assert_predicate reader0, :binmode?
assert_predicate reader2, :binmode?
assert_equal reader0.binmode?, reader2.binmode?
assert_equal reader0.external_encoding, reader2.external_encoding
assert_equal reader0.internal_encoding, reader2.internal_encoding
reader3, writer3 = IO.pipe("UTF-8:UTF-8", binmode: true)
assert_predicate writer3, :binmode?
assert_equal writer1.external_encoding, writer3.external_encoding
assert_equal writer1.internal_encoding, writer3.internal_encoding
assert_predicate reader3, :binmode?
assert_equal reader1.external_encoding, reader3.external_encoding
assert_equal reader1.internal_encoding, reader3.internal_encoding
reader4, writer4 = IO.pipe("UTF-8:UTF-8", binmode: true)
assert_predicate writer4, :binmode?
assert_equal writer1.external_encoding, writer4.external_encoding
assert_equal writer1.internal_encoding, writer4.internal_encoding
assert_predicate reader4, :binmode?
assert_equal reader1.external_encoding, reader4.external_encoding
assert_equal reader1.internal_encoding, reader4.internal_encoding
reader5, writer5 = IO.pipe("UTF-8", "UTF-8", binmode: true)
assert_predicate writer5, :binmode?
assert_equal writer1.external_encoding, writer5.external_encoding
assert_equal writer1.internal_encoding, writer5.internal_encoding
assert_predicate reader5, :binmode?
assert_equal reader1.external_encoding, reader5.external_encoding
assert_equal reader1.internal_encoding, reader5.internal_encoding
ensure
[
reader0, writer0,
reader1, writer1,
reader2, writer2,
reader3, writer3,
reader4, writer4,
reader5, writer5,
].compact.map(&:close)
end
end
end
end
def test_pipe_block
x = nil
ret = IO.pipe {|r, w|
x = [r,w]
assert_instance_of(IO, r)
assert_instance_of(IO, w)
[
Thread.start do
w.print "abc"
w.close
end,
Thread.start do
assert_equal("abc", r.read)
end
].each{|thr| thr.join}
assert_not_predicate(r, :closed?)
assert_predicate(w, :closed?)
:foooo
}
assert_equal(:foooo, ret)
assert_predicate(x[0], :closed?)
assert_predicate(x[1], :closed?)
end
def test_pipe_block_close
4.times {|i|
x = nil
IO.pipe {|r, w|
x = [r,w]
r.close if (i&1) == 0
w.close if (i&2) == 0
}
assert_predicate(x[0], :closed?)
assert_predicate(x[1], :closed?)
}
end
def test_gets_rs
rs = ":"
pipe(proc do |w|
w.print "aaa:bbb"
w.close
end, proc do |r|
assert_equal "aaa:", r.gets(rs)
assert_equal "bbb", r.gets(rs)
assert_nil r.gets(rs)
r.close
end)
end
def test_gets_default_rs
pipe(proc do |w|
w.print "aaa\nbbb\n"
w.close
end, proc do |r|
assert_equal "aaa\n", r.gets
assert_equal "bbb\n", r.gets
assert_nil r.gets
r.close
end)
end
def test_gets_rs_nil
pipe(proc do |w|
w.print "a\n\nb\n\n"
w.close
end, proc do |r|
assert_equal "a\n\nb\n\n", r.gets(nil)
assert_nil r.gets("")
r.close
end)
end
def test_gets_rs_377
pipe(proc do |w|
w.print "\377xyz"
w.close
end, proc do |r|
r.binmode
assert_equal("\377", r.gets("\377"), "[ruby-dev:24460]")
r.close
end)
end
def test_gets_paragraph
pipe(proc do |w|
w.print "a\n\nb\n\n"
w.close
end, proc do |r|
assert_equal "a\n\n", r.gets(""), "[ruby-core:03771]"
assert_equal "b\n\n", r.gets("")
assert_nil r.gets("")
r.close
end)
end
def test_gets_chomp_rs
rs = ":"
pipe(proc do |w|
w.print "aaa:bbb"
w.close
end, proc do |r|
assert_equal "aaa", r.gets(rs, chomp: true)
assert_equal "bbb", r.gets(rs, chomp: true)
assert_nil r.gets(rs, chomp: true)
r.close
end)
end
def test_gets_chomp_default_rs
pipe(proc do |w|
w.print "aaa\r\nbbb\nccc"
w.close
end, proc do |r|
assert_equal "aaa", r.gets(chomp: true)
assert_equal "bbb", r.gets(chomp: true)
assert_equal "ccc", r.gets(chomp: true)
assert_nil r.gets
r.close
end)
(0..3).each do |i|
pipe(proc do |w|
w.write("a" * ((4096 << i) - 4), "\r\n" "a\r\n")
w.close
end,
proc do |r|
r.gets
assert_equal "a", r.gets(chomp: true)
assert_nil r.gets
r.close
end)
end
end
def test_gets_chomp_rs_nil
pipe(proc do |w|
w.print "a\n\nb\n\n"
w.close
end, proc do |r|
assert_equal "a\n\nb\n", r.gets(nil, chomp: true)
assert_nil r.gets("")
r.close
end)
end
def test_gets_chomp_paragraph
pipe(proc do |w|
w.print "a\n\nb\n\n"
w.close
end, proc do |r|
assert_equal "a", r.gets("", chomp: true)
assert_equal "b", r.gets("", chomp: true)
assert_nil r.gets("", chomp: true)
r.close
end)
end
def test_gets_limit_extra_arg
pipe(proc do |w|
w << "0123456789\n0123456789"
w.close
end, proc do |r|
assert_equal("0123456789\n0", r.gets(nil, 12))
assert_raise(TypeError) { r.gets(3,nil) }
end)
end
# This test cause SEGV.
def test_ungetc
pipe(proc do |w|
w.close
end, proc do |r|
s = "a" * 1000
assert_raise(IOError, "[ruby-dev:31650]") { 200.times { r.ungetc s } }
end)
end
def test_ungetbyte
make_tempfile {|t|
t.open
t.binmode
t.ungetbyte(0x41)
assert_equal(-1, t.pos)
assert_equal(0x41, t.getbyte)
t.rewind
assert_equal(0, t.pos)
t.ungetbyte("qux")
assert_equal(-3, t.pos)
assert_equal("quxfoo\n", t.gets)
assert_equal(4, t.pos)
t.set_encoding("utf-8")
t.ungetbyte(0x89)
t.ungetbyte(0x8e)
t.ungetbyte("\xe7")
t.ungetbyte("\xe7\xb4\x85")
assert_equal(-2, t.pos)
assert_equal("\u7d05\u7389bar\n", t.gets)
}
end
def test_each_byte
pipe(proc do |w|
w << "abc def"
w.close
end, proc do |r|
r.each_byte {|byte| break if byte == 32 }
assert_equal("def", r.read, "[ruby-dev:31659]")
end)
end
def test_each_byte_with_seek
make_tempfile {|t|
bug5119 = '[ruby-core:38609]'
i = 0
open(t.path) do |f|
f.each_byte {i = f.pos}
end
assert_equal(12, i, bug5119)
}
end
def test_each_codepoint
make_tempfile {|t|
bug2959 = '[ruby-core:28650]'
a = ""
File.open(t, 'rt') {|f|
f.each_codepoint {|c| a << c}
}
assert_equal("foo\nbar\nbaz\n", a, bug2959)
}
end
def test_codepoints
make_tempfile {|t|
bug2959 = '[ruby-core:28650]'
a = ""
File.open(t, 'rt') {|f|
assert_warn(/deprecated/) {
f.codepoints {|c| a << c}
}
}
assert_equal("foo\nbar\nbaz\n", a, bug2959)
}
end
def test_rubydev33072
t = make_tempfile
path = t.path
t.close!
assert_raise(Errno::ENOENT, "[ruby-dev:33072]") do
File.read(path, nil, nil, **{})
end
end
def with_srccontent(content = "baz")
src = "src"
mkcdtmpdir {
File.open(src, "w") {|f| f << content }
yield src, content
}
end
def test_copy_stream_small
with_srccontent("foobar") {|src, content|
ret = IO.copy_stream(src, "dst")
assert_equal(content.bytesize, ret)
assert_equal(content, File.read("dst"))
}
end
def test_copy_stream_append
with_srccontent("foobar") {|src, content|
File.open('dst', 'ab') do |dst|
ret = IO.copy_stream(src, dst)
assert_equal(content.bytesize, ret)
assert_equal(content, File.read("dst"))
end
}
end
def test_copy_stream_smaller
with_srccontent {|src, content|
# overwrite by smaller file.
dst = "dst"
File.open(dst, "w") {|f| f << "foobar"}
ret = IO.copy_stream(src, dst)
assert_equal(content.bytesize, ret)
assert_equal(content, File.read(dst))
ret = IO.copy_stream(src, dst, 2)
assert_equal(2, ret)
assert_equal(content[0,2], File.read(dst))
ret = IO.copy_stream(src, dst, 0)
assert_equal(0, ret)
assert_equal("", File.read(dst))
ret = IO.copy_stream(src, dst, nil, 1)
assert_equal(content.bytesize-1, ret)
assert_equal(content[1..-1], File.read(dst))
}
end
def test_copy_stream_noent
with_srccontent {|src, content|
assert_raise(Errno::ENOENT) {
IO.copy_stream("nodir/foo", "dst")
}
assert_raise(Errno::ENOENT) {
IO.copy_stream(src, "nodir/bar")
}
}
end
def test_copy_stream_pipe
with_srccontent {|src, content|
pipe(proc do |w|
ret = IO.copy_stream(src, w)
assert_equal(content.bytesize, ret)
w.close
end, proc do |r|
assert_equal(content, r.read)
end)
}
end
def test_copy_stream_write_pipe
with_srccontent {|src, content|
with_pipe {|r, w|
w.close
assert_raise(IOError) { IO.copy_stream(src, w) }
}
}
end
def with_pipecontent
mkcdtmpdir {
yield "abc"
}
end
def test_copy_stream_pipe_to_file
with_pipecontent {|pipe_content|
dst = "dst"
with_read_pipe(pipe_content) {|r|
ret = IO.copy_stream(r, dst)
assert_equal(pipe_content.bytesize, ret)
assert_equal(pipe_content, File.read(dst))
}
}
end
def test_copy_stream_read_pipe
with_pipecontent {|pipe_content|
with_read_pipe(pipe_content) {|r1|
assert_equal("a", r1.getc)
pipe(proc do |w2|
w2.sync = false
w2 << "def"
ret = IO.copy_stream(r1, w2)
assert_equal(2, ret)
w2.close
end, proc do |r2|
assert_equal("defbc", r2.read)
end)
}
with_read_pipe(pipe_content) {|r1|
assert_equal("a", r1.getc)
pipe(proc do |w2|
w2.sync = false
w2 << "def"
ret = IO.copy_stream(r1, w2, 1)
assert_equal(1, ret)
w2.close
end, proc do |r2|
assert_equal("defb", r2.read)
end)
}
with_read_pipe(pipe_content) {|r1|
assert_equal("a", r1.getc)
pipe(proc do |w2|
ret = IO.copy_stream(r1, w2)
assert_equal(2, ret)
w2.close
end, proc do |r2|
assert_equal("bc", r2.read)
end)
}
with_read_pipe(pipe_content) {|r1|
assert_equal("a", r1.getc)
pipe(proc do |w2|
ret = IO.copy_stream(r1, w2, 1)
assert_equal(1, ret)
w2.close
end, proc do |r2|
assert_equal("b", r2.read)
end)
}
with_read_pipe(pipe_content) {|r1|
assert_equal("a", r1.getc)
pipe(proc do |w2|
ret = IO.copy_stream(r1, w2, 0)
assert_equal(0, ret)
w2.close
end, proc do |r2|
assert_equal("", r2.read)
end)
}
pipe(proc do |w1|
w1 << "abc"
w1 << "def"
w1.close
end, proc do |r1|
assert_equal("a", r1.getc)
pipe(proc do |w2|
ret = IO.copy_stream(r1, w2)
assert_equal(5, ret)
w2.close
end, proc do |r2|
assert_equal("bcdef", r2.read)
end)
end)
}
end
def test_copy_stream_file_to_pipe
with_srccontent {|src, content|
pipe(proc do |w|
ret = IO.copy_stream(src, w, 1, 1)
assert_equal(1, ret)
w.close
end, proc do |r|
assert_equal(content[1,1], r.read)
end)
}
end
if have_nonblock?
def test_copy_stream_no_busy_wait
skip "MJIT has busy wait on GC. This sometimes fails with --jit." if RubyVM::MJIT.enabled?
skip "multiple threads already active" if Thread.list.size > 1
msg = 'r58534 [ruby-core:80969] [Backport #13533]'
IO.pipe do |r,w|
r.nonblock = true
assert_cpu_usage_low(msg, stop: ->{w.close}) do
IO.copy_stream(r, IO::NULL)
end
end
end
def test_copy_stream_pipe_nonblock
mkcdtmpdir {
with_read_pipe("abc") {|r1|
assert_equal("a", r1.getc)
with_pipe {|r2, w2|
begin
w2.nonblock = true
rescue Errno::EBADF
skip "nonblocking IO for pipe is not implemented"
end
s = w2.syswrite("a" * 100000)
t = Thread.new { sleep 0.1; r2.read }
ret = IO.copy_stream(r1, w2)
w2.close
assert_equal(2, ret)
assert_equal("a" * s + "bc", t.value)
}
}
}
end
end
def with_bigcontent
yield "abc" * 123456
end
def with_bigsrc
mkcdtmpdir {
with_bigcontent {|bigcontent|
bigsrc = "bigsrc"
File.open("bigsrc", "w") {|f| f << bigcontent }
yield bigsrc, bigcontent
}
}
end
def test_copy_stream_bigcontent
with_bigsrc {|bigsrc, bigcontent|
ret = IO.copy_stream(bigsrc, "bigdst")
assert_equal(bigcontent.bytesize, ret)
assert_equal(bigcontent, File.read("bigdst"))
}
end
def test_copy_stream_bigcontent_chop
with_bigsrc {|bigsrc, bigcontent|
ret = IO.copy_stream(bigsrc, "bigdst", nil, 100)
assert_equal(bigcontent.bytesize-100, ret)
assert_equal(bigcontent[100..-1], File.read("bigdst"))
}
end
def test_copy_stream_bigcontent_mid
with_bigsrc {|bigsrc, bigcontent|
ret = IO.copy_stream(bigsrc, "bigdst", 30000, 100)
assert_equal(30000, ret)
assert_equal(bigcontent[100, 30000], File.read("bigdst"))
}
end
def test_copy_stream_bigcontent_fpos
with_bigsrc {|bigsrc, bigcontent|
File.open(bigsrc) {|f|
begin
assert_equal(0, f.pos)
ret = IO.copy_stream(f, "bigdst", nil, 10)
assert_equal(bigcontent.bytesize-10, ret)
assert_equal(bigcontent[10..-1], File.read("bigdst"))
assert_equal(0, f.pos)
ret = IO.copy_stream(f, "bigdst", 40, 30)
assert_equal(40, ret)
assert_equal(bigcontent[30, 40], File.read("bigdst"))
assert_equal(0, f.pos)
rescue NotImplementedError
#skip "pread(2) is not implemented."
end
}
}
end
def test_copy_stream_closed_pipe
with_srccontent {|src,|
with_pipe {|r, w|
w.close
assert_raise(IOError) { IO.copy_stream(src, w) }
}
}
end
def with_megacontent
yield "abc" * 1234567
end
def with_megasrc
mkcdtmpdir {
with_megacontent {|megacontent|
megasrc = "megasrc"
File.open(megasrc, "w") {|f| f << megacontent }
yield megasrc, megacontent
}
}
end
if have_nonblock?
def test_copy_stream_megacontent_nonblock
with_megacontent {|megacontent|
with_pipe {|r1, w1|
with_pipe {|r2, w2|
begin
r1.nonblock = true
w2.nonblock = true
rescue Errno::EBADF
skip "nonblocking IO for pipe is not implemented"
end
t1 = Thread.new { w1 << megacontent; w1.close }
t2 = Thread.new { r2.read }
t3 = Thread.new {
ret = IO.copy_stream(r1, w2)
assert_equal(megacontent.bytesize, ret)
w2.close
}
_, t2_value, _ = assert_join_threads([t1, t2, t3])
assert_equal(megacontent, t2_value)
}
}
}
end
end
def test_copy_stream_megacontent_pipe_to_file
with_megasrc {|megasrc, megacontent|
with_pipe {|r1, w1|
with_pipe {|r2, w2|
t1 = Thread.new { w1 << megacontent; w1.close }
t2 = Thread.new { r2.read }
t3 = Thread.new {
ret = IO.copy_stream(r1, w2)
assert_equal(megacontent.bytesize, ret)
w2.close
}
_, t2_value, _ = assert_join_threads([t1, t2, t3])
assert_equal(megacontent, t2_value)
}
}
}
end
def test_copy_stream_megacontent_file_to_pipe
with_megasrc {|megasrc, megacontent|
with_pipe {|r, w|
t1 = Thread.new { r.read }
t2 = Thread.new {
ret = IO.copy_stream(megasrc, w)
assert_equal(megacontent.bytesize, ret)
w.close
}
t1_value, _ = assert_join_threads([t1, t2])
assert_equal(megacontent, t1_value)
}
}
end
def test_copy_stream_rbuf
mkcdtmpdir {
begin
pipe(proc do |w|
File.open("foo", "w") {|f| f << "abcd" }
File.open("foo") {|f|
f.read(1)
assert_equal(3, IO.copy_stream(f, w, 10, 1))
}
w.close
end, proc do |r|
assert_equal("bcd", r.read)
end)
rescue NotImplementedError
skip "pread(2) is not implemtented."
end
}
end
def with_socketpair
s1, s2 = UNIXSocket.pair
begin
yield s1, s2
ensure
s1.close unless s1.closed?
s2.close unless s2.closed?
end
end
def test_copy_stream_socket1
with_srccontent("foobar") {|src, content|
with_socketpair {|s1, s2|
ret = IO.copy_stream(src, s1)
assert_equal(content.bytesize, ret)
s1.close
assert_equal(content, s2.read)
}
}
end if defined? UNIXSocket
def test_copy_stream_socket2
with_bigsrc {|bigsrc, bigcontent|
with_socketpair {|s1, s2|
t1 = Thread.new { s2.read }
t2 = Thread.new {
ret = IO.copy_stream(bigsrc, s1)
assert_equal(bigcontent.bytesize, ret)
s1.close
}
result, _ = assert_join_threads([t1, t2])
assert_equal(bigcontent, result)
}
}
end if defined? UNIXSocket
def test_copy_stream_socket3
with_bigsrc {|bigsrc, bigcontent|
with_socketpair {|s1, s2|
t1 = Thread.new { s2.read }
t2 = Thread.new {
ret = IO.copy_stream(bigsrc, s1, 10000)
assert_equal(10000, ret)
s1.close
}
result, _ = assert_join_threads([t1, t2])
assert_equal(bigcontent[0,10000], result)
}
}
end if defined? UNIXSocket
def test_copy_stream_socket4
with_bigsrc {|bigsrc, bigcontent|
File.open(bigsrc) {|f|
assert_equal(0, f.pos)
with_socketpair {|s1, s2|
t1 = Thread.new { s2.read }
t2 = Thread.new {
ret = IO.copy_stream(f, s1, nil, 100)
assert_equal(bigcontent.bytesize-100, ret)
assert_equal(0, f.pos)
s1.close
}
result, _ = assert_join_threads([t1, t2])
assert_equal(bigcontent[100..-1], result)
}
}
}
end if defined? UNIXSocket
def test_copy_stream_socket5
with_bigsrc {|bigsrc, bigcontent|
File.open(bigsrc) {|f|
assert_equal(bigcontent[0,100], f.read(100))
assert_equal(100, f.pos)
with_socketpair {|s1, s2|
t1 = Thread.new { s2.read }
t2 = Thread.new {
ret = IO.copy_stream(f, s1)
assert_equal(bigcontent.bytesize-100, ret)
assert_equal(bigcontent.length, f.pos)
s1.close
}
result, _ = assert_join_threads([t1, t2])
assert_equal(bigcontent[100..-1], result)
}
}
}
end if defined? UNIXSocket
def test_copy_stream_socket6
mkcdtmpdir {
megacontent = "abc" * 1234567
File.open("megasrc", "w") {|f| f << megacontent }
with_socketpair {|s1, s2|
begin
s1.nonblock = true
rescue Errno::EBADF
skip "nonblocking IO for pipe is not implemented"
end
t1 = Thread.new { s2.read }
t2 = Thread.new {
ret = IO.copy_stream("megasrc", s1)
assert_equal(megacontent.bytesize, ret)
s1.close
}
result, _ = assert_join_threads([t1, t2])
assert_equal(megacontent, result)
}
}
end if defined? UNIXSocket
def test_copy_stream_socket7
GC.start
mkcdtmpdir {
megacontent = "abc" * 1234567
File.open("megasrc", "w") {|f| f << megacontent }
with_socketpair {|s1, s2|
begin
s1.nonblock = true
rescue Errno::EBADF
skip "nonblocking IO for pipe is not implemented"
end
trapping_usr2 do |rd|
nr = 30
begin
pid = fork do
s1.close
IO.select([s2])
Process.kill(:USR2, Process.ppid)
buf = String.new(capacity: 16384)
nil while s2.read(16384, buf)
end
s2.close
nr.times do
assert_equal megacontent.bytesize, IO.copy_stream("megasrc", s1)
end
assert_equal(1, rd.read(4).unpack1('L'))
ensure
s1.close
_, status = Process.waitpid2(pid) if pid
end
assert_predicate(status, :success?)
end
}
}
end if defined? UNIXSocket and IO.method_defined?("nonblock=")
def test_copy_stream_strio
src = StringIO.new("abcd")
dst = StringIO.new
ret = IO.copy_stream(src, dst)
assert_equal(4, ret)
assert_equal("abcd", dst.string)
assert_equal(4, src.pos)
end
def test_copy_stream_strio_len
src = StringIO.new("abcd")
dst = StringIO.new
ret = IO.copy_stream(src, dst, 3)
assert_equal(3, ret)
assert_equal("abc", dst.string)
assert_equal(3, src.pos)
end
def test_copy_stream_strio_off
src = StringIO.new("abcd")
with_pipe {|r, w|
assert_raise(ArgumentError) {
IO.copy_stream(src, w, 3, 1)
}
}
end
def test_copy_stream_fname_to_strio
mkcdtmpdir {
File.open("foo", "w") {|f| f << "abcd" }
src = "foo"
dst = StringIO.new
ret = IO.copy_stream(src, dst, 3)
assert_equal(3, ret)
assert_equal("abc", dst.string)
}
end
def test_copy_stream_strio_to_fname
mkcdtmpdir {
# StringIO to filename
src = StringIO.new("abcd")
ret = IO.copy_stream(src, "fooo", 3)
assert_equal(3, ret)
assert_equal("abc", File.read("fooo"))
assert_equal(3, src.pos)
}
end
def test_copy_stream_io_to_strio
mkcdtmpdir {
# IO to StringIO
File.open("bar", "w") {|f| f << "abcd" }
File.open("bar") {|src|
dst = StringIO.new
ret = IO.copy_stream(src, dst, 3)
assert_equal(3, ret)
assert_equal("abc", dst.string)
assert_equal(3, src.pos)
}
}
end
def test_copy_stream_strio_to_io
mkcdtmpdir {
# StringIO to IO
src = StringIO.new("abcd")
ret = File.open("baz", "w") {|dst|
IO.copy_stream(src, dst, 3)
}
assert_equal(3, ret)
assert_equal("abc", File.read("baz"))
assert_equal(3, src.pos)
}
end
def test_copy_stream_strio_to_tempfile
bug11015 = '[ruby-core:68676] [Bug #11015]'
# StringIO to Tempfile
src = StringIO.new("abcd")
dst = Tempfile.new("baz")
ret = IO.copy_stream(src, dst)
assert_equal(4, ret)
pos = dst.pos
dst.rewind
assert_equal("abcd", dst.read)
assert_equal(4, pos, bug11015)
ensure
dst.close!
end
def test_copy_stream_pathname_to_pathname
bug11199 = '[ruby-dev:49008] [Bug #11199]'
mkcdtmpdir {
File.open("src", "w") {|f| f << "ok" }
src = Pathname.new("src")
dst = Pathname.new("dst")
IO.copy_stream(src, dst)
assert_equal("ok", IO.read("dst"), bug11199)
}
end
def test_copy_stream_write_in_binmode
bug8767 = '[ruby-core:56518] [Bug #8767]'
mkcdtmpdir {
EnvUtil.with_default_internal(Encoding::UTF_8) do
# StringIO to object with to_path
bytes = "\xDE\xAD\xBE\xEF".force_encoding(Encoding::ASCII_8BIT)
src = StringIO.new(bytes)
dst = Object.new
def dst.to_path
"qux"
end
assert_nothing_raised(bug8767) {
IO.copy_stream(src, dst)
}
assert_equal(bytes, File.binread("qux"), bug8767)
assert_equal(4, src.pos, bug8767)
end
}
end
def test_copy_stream_read_in_binmode
bug8767 = '[ruby-core:56518] [Bug #8767]'
mkcdtmpdir {
EnvUtil.with_default_internal(Encoding::UTF_8) do
# StringIO to object with to_path
bytes = "\xDE\xAD\xBE\xEF".force_encoding(Encoding::ASCII_8BIT)
File.binwrite("qux", bytes)
dst = StringIO.new
src = Object.new
def src.to_path
"qux"
end
assert_nothing_raised(bug8767) {
IO.copy_stream(src, dst)
}
assert_equal(bytes, dst.string.b, bug8767)
assert_equal(4, dst.pos, bug8767)
end
}
end
class Rot13IO
def initialize(io)
@io = io
end
def readpartial(*args)
ret = @io.readpartial(*args)
ret.tr!('a-zA-Z', 'n-za-mN-ZA-M')
ret
end
def write(str)
@io.write(str.tr('a-zA-Z', 'n-za-mN-ZA-M'))
end
def to_io
@io
end
end
def test_copy_stream_io_to_rot13
mkcdtmpdir {
File.open("bar", "w") {|f| f << "vex" }
File.open("bar") {|src|
File.open("baz", "w") {|dst0|
dst = Rot13IO.new(dst0)
ret = IO.copy_stream(src, dst, 3)
assert_equal(3, ret)
}
assert_equal("irk", File.read("baz"))
}
}
end
def test_copy_stream_rot13_to_io
mkcdtmpdir {
File.open("bar", "w") {|f| f << "flap" }
File.open("bar") {|src0|
src = Rot13IO.new(src0)
File.open("baz", "w") {|dst|
ret = IO.copy_stream(src, dst, 4)
assert_equal(4, ret)
}
}
assert_equal("sync", File.read("baz"))
}
end
def test_copy_stream_rot13_to_rot13
mkcdtmpdir {
File.open("bar", "w") {|f| f << "bin" }
File.open("bar") {|src0|
src = Rot13IO.new(src0)
File.open("baz", "w") {|dst0|
dst = Rot13IO.new(dst0)
ret = IO.copy_stream(src, dst, 3)
assert_equal(3, ret)
}
}
assert_equal("bin", File.read("baz"))
}
end
def test_copy_stream_strio_flush
with_pipe {|r, w|
w.sync = false
w.write "zz"
src = StringIO.new("abcd")
IO.copy_stream(src, w)
t1 = Thread.new {
w.close
}
t2 = Thread.new { r.read }
_, result = assert_join_threads([t1, t2])
assert_equal("zzabcd", result)
}
end
def test_copy_stream_strio_rbuf
pipe(proc do |w|
w << "abcd"
w.close
end, proc do |r|
assert_equal("a", r.read(1))
sio = StringIO.new
IO.copy_stream(r, sio)
assert_equal("bcd", sio.string)
end)
end
def test_copy_stream_src_wbuf
mkcdtmpdir {
pipe(proc do |w|
File.open("foe", "w+") {|f|
f.write "abcd\n"
f.rewind
f.write "xy"
IO.copy_stream(f, w)
}
assert_equal("xycd\n", File.read("foe"))
w.close
end, proc do |r|
assert_equal("cd\n", r.read)
r.close
end)
}
end
class Bug5237
attr_reader :count
def initialize
@count = 0
end
def read(bytes, buffer)
@count += 1
buffer.replace "this is a test"
nil
end
end
def test_copy_stream_broken_src_read_eof
src = Bug5237.new
dst = StringIO.new
assert_equal 0, src.count
th = Thread.new { IO.copy_stream(src, dst) }
flunk("timeout") unless th.join(10)
assert_equal 1, src.count
end
def test_copy_stream_dst_rbuf
mkcdtmpdir {
pipe(proc do |w|
w << "xyz"
w.close
end, proc do |r|
File.open("fom", "w+b") {|f|
f.write "abcd\n"
f.rewind
assert_equal("abc", f.read(3))
f.ungetc "c"
IO.copy_stream(r, f)
}
assert_equal("abxyz", File.read("fom"))
end)
}
end
def test_copy_stream_to_duplex_io
result = IO.pipe {|a,w|
th = Thread.start {w.puts "yes"; w.close}
IO.popen([EnvUtil.rubybin, '-pe$_="#$.:#$_"'], "r+") {|b|
IO.copy_stream(a, b)
b.close_write
assert_join_threads([th])
b.read
}
}
assert_equal("1:yes\n", result)
end
def ruby(*args)
args = ['-e', '$>.write($<.read)'] if args.empty?
ruby = EnvUtil.rubybin
opts = {}
if defined?(Process::RLIMIT_NPROC)
lim = Process.getrlimit(Process::RLIMIT_NPROC)[1]
opts[:rlimit_nproc] = [lim, 2048].min
end
f = IO.popen([ruby] + args, 'r+', opts)
pid = f.pid
yield(f)
ensure
f.close unless !f || f.closed?
begin
Process.wait(pid)
rescue Errno::ECHILD, Errno::ESRCH
end
end
def test_try_convert
assert_equal(STDOUT, IO.try_convert(STDOUT))
assert_equal(nil, IO.try_convert("STDOUT"))
end
def test_ungetc2
f = false
pipe(proc do |w|
Thread.pass until f
w.write("1" * 10000)
w.close
end, proc do |r|
r.ungetc("0" * 10000)
f = true
assert_equal("0" * 10000 + "1" * 10000, r.read)
end)
end
def test_write_with_multiple_arguments
pipe(proc do |w|
w.write("foo", "bar")
w.close
end, proc do |r|
assert_equal("foobar", r.read)
end)
end
def test_write_with_multiple_arguments_and_buffer
mkcdtmpdir do
line = "x"*9+"\n"
file = "test.out"
open(file, "wb") do |w|
w.write(line)
assert_equal(11, w.write(line, "\n"))
end
open(file, "rb") do |r|
assert_equal([line, line, "\n"], r.readlines)
end
line = "x"*99+"\n"
open(file, "wb") do |w|
w.write(line*81) # 8100 bytes
assert_equal(100, w.write("a"*99, "\n"))
end
open(file, "rb") do |r|
81.times {assert_equal(line, r.gets)}
assert_equal("a"*99+"\n", r.gets)
end
end
end
def test_write_with_many_arguments
[1023, 1024].each do |n|
pipe(proc do |w|
w.write(*(["a"] * n))
w.close
end, proc do |r|
assert_equal("a" * n, r.read)
end)
end
end
def test_write_with_multiple_nonstring_arguments
assert_in_out_err([], "STDOUT.write(:foo, :bar)", ["foobar"])
end
def test_write_buffered_with_multiple_arguments
out, err, (_, status) = EnvUtil.invoke_ruby(["-e", "sleep 0.1;puts 'foo'"], "", true, true) do |_, o, e, i|
[o.read, e.read, Process.waitpid2(i)]
end
assert_predicate(status, :success?)
assert_equal("foo\n", out)
assert_empty(err)
end
def test_write_no_args
IO.pipe do |r, w|
assert_equal 0, w.write, '[ruby-core:86285] [Bug #14338]'
assert_equal :wait_readable, r.read_nonblock(1, exception: false)
end
end
def test_write_non_writable
with_pipe do |r, w|
assert_raise(IOError) do
r.write "foobarbaz"
end
end
end
def test_dup
ruby do |f|
begin
f2 = f.dup
f.puts "foo"
f2.puts "bar"
f.close_write
f2.close_write
assert_equal("foo\nbar\n", f.read)
assert_equal("", f2.read)
ensure
f2.close
end
end
end
def test_dup_many
opts = {}
opts[:rlimit_nofile] = 1024 if defined?(Process::RLIMIT_NOFILE)
assert_separately([], <<-'End', **opts)
a = []
assert_raise(Errno::EMFILE, Errno::ENFILE, Errno::ENOMEM) do
loop {a << IO.pipe}
end
assert_raise(Errno::EMFILE, Errno::ENFILE, Errno::ENOMEM) do
loop {a << [a[-1][0].dup, a[-1][1].dup]}
end
End
end
def test_inspect
with_pipe do |r, w|
assert_match(/^#<IO:fd \d+>$/, r.inspect)
r.freeze
assert_match(/^#<IO:fd \d+>$/, r.inspect)
end
end
def test_readpartial
pipe(proc do |w|
w.write "foobarbaz"
w.close
end, proc do |r|
assert_raise(ArgumentError) { r.readpartial(-1) }
assert_equal("fooba", r.readpartial(5))
r.readpartial(5, s = "")
assert_equal("rbaz", s)
end)
end
def test_readpartial_lock
with_pipe do |r, w|
s = ""
t = Thread.new { r.readpartial(5, s) }
Thread.pass until t.stop?
assert_raise(RuntimeError) { s.clear }
w.write "foobarbaz"
w.close
assert_equal("fooba", t.value)
end
end
def test_readpartial_pos
mkcdtmpdir {
open("foo", "w") {|f| f << "abc" }
open("foo") {|f|
f.seek(0)
assert_equal("ab", f.readpartial(2))
assert_equal(2, f.pos)
}
}
end
def test_readpartial_with_not_empty_buffer
pipe(proc do |w|
w.write "foob"
w.close
end, proc do |r|
r.readpartial(5, s = "01234567")
assert_equal("foob", s)
end)
end
def test_readpartial_buffer_error
with_pipe do |r, w|
s = ""
t = Thread.new { r.readpartial(5, s) }
Thread.pass until t.stop?
t.kill
t.value
assert_equal("", s)
end
end if /cygwin/ !~ RUBY_PLATFORM
def test_read
pipe(proc do |w|
w.write "foobarbaz"
w.close
end, proc do |r|
assert_raise(ArgumentError) { r.read(-1) }
assert_equal("fooba", r.read(5))
r.read(nil, s = "")
assert_equal("rbaz", s)
end)
end
def test_read_lock
with_pipe do |r, w|
s = ""
t = Thread.new { r.read(5, s) }
Thread.pass until t.stop?
assert_raise(RuntimeError) { s.clear }
w.write "foobarbaz"
w.close
assert_equal("fooba", t.value)
end
end
def test_read_with_not_empty_buffer
pipe(proc do |w|
w.write "foob"
w.close
end, proc do |r|
r.read(nil, s = "01234567")
assert_equal("foob", s)
end)
end
def test_read_buffer_error
with_pipe do |r, w|
s = ""
t = Thread.new { r.read(5, s) }
Thread.pass until t.stop?
t.kill
t.value
assert_equal("", s)
end
with_pipe do |r, w|
s = "xxx"
t = Thread.new {r.read(2, s)}
Thread.pass until t.stop?
t.kill
t.value
assert_equal("xxx", s)
end
end if /cygwin/ !~ RUBY_PLATFORM
def test_write_nonblock
pipe(proc do |w|
w.write_nonblock(1)
w.close
end, proc do |r|
assert_equal("1", r.read)
end)
end
def test_read_nonblock_with_not_empty_buffer
with_pipe {|r, w|
w.write "foob"
w.close
r.read_nonblock(5, s = "01234567")
assert_equal("foob", s)
}
end
def test_write_nonblock_simple_no_exceptions
pipe(proc do |w|
w.write_nonblock('1', exception: false)
w.close
end, proc do |r|
assert_equal("1", r.read)
end)
end
def test_read_nonblock_error
with_pipe {|r, w|
begin
r.read_nonblock 4096
rescue Errno::EWOULDBLOCK
assert_kind_of(IO::WaitReadable, $!)
end
}
with_pipe {|r, w|
begin
r.read_nonblock 4096, ""
rescue Errno::EWOULDBLOCK
assert_kind_of(IO::WaitReadable, $!)
end
}
end if have_nonblock?
def test_read_nonblock_invalid_exception
with_pipe {|r, w|
assert_raise(ArgumentError) {r.read_nonblock(4096, exception: 1)}
}
end if have_nonblock?
def test_read_nonblock_no_exceptions
skip '[ruby-core:90895] MJIT worker may leave fd open in a forked child' if RubyVM::MJIT.enabled? # TODO: consider acquiring GVL from MJIT worker.
with_pipe {|r, w|
assert_equal :wait_readable, r.read_nonblock(4096, exception: false)
w.puts "HI!"
assert_equal "HI!\n", r.read_nonblock(4096, exception: false)
w.close
assert_equal nil, r.read_nonblock(4096, exception: false)
}
end if have_nonblock?
def test_read_nonblock_with_buffer_no_exceptions
with_pipe {|r, w|
assert_equal :wait_readable, r.read_nonblock(4096, "", exception: false)
w.puts "HI!"
buf = "buf"
value = r.read_nonblock(4096, buf, exception: false)
assert_equal value, "HI!\n"
assert_same(buf, value)
w.close
assert_equal nil, r.read_nonblock(4096, "", exception: false)
}
end if have_nonblock?
def test_write_nonblock_error
with_pipe {|r, w|
begin
loop {
w.write_nonblock "a"*100000
}
rescue Errno::EWOULDBLOCK
assert_kind_of(IO::WaitWritable, $!)
end
}
end if have_nonblock?
def test_write_nonblock_invalid_exception
with_pipe {|r, w|
assert_raise(ArgumentError) {w.write_nonblock(4096, exception: 1)}
}
end if have_nonblock?
def test_write_nonblock_no_exceptions
with_pipe {|r, w|
loop {
ret = w.write_nonblock("a"*100000, exception: false)
if ret.is_a?(Symbol)
assert_equal :wait_writable, ret
break
end
}
}
end if have_nonblock?
def test_gets
pipe(proc do |w|
w.write "foobarbaz"
w.close
end, proc do |r|
assert_equal("", r.gets(0))
assert_equal("foobarbaz", r.gets(9))
end)
end
def test_close_read
ruby do |f|
f.close_read
f.write "foobarbaz"
assert_raise(IOError) { f.read }
assert_nothing_raised(IOError) {f.close_read}
assert_nothing_raised(IOError) {f.close}
assert_nothing_raised(IOError) {f.close_read}
end
end
def test_close_read_pipe
with_pipe do |r, w|
r.close_read
assert_raise(Errno::EPIPE) { w.write "foobarbaz" }
assert_nothing_raised(IOError) {r.close_read}
assert_nothing_raised(IOError) {r.close}
assert_nothing_raised(IOError) {r.close_read}
end
end
def test_write_epipe_nosync
assert_separately([], <<-"end;")
r, w = IO.pipe
r.close
w.sync = false
assert_raise(Errno::EPIPE) {
loop { w.write "a" }
}
end;
end
def test_close_read_non_readable
with_pipe do |r, w|
assert_raise(IOError) do
w.close_read
end
end
end
def test_close_write
ruby do |f|
f.write "foobarbaz"
f.close_write
assert_equal("foobarbaz", f.read)
assert_nothing_raised(IOError) {f.close_write}
assert_nothing_raised(IOError) {f.close}
assert_nothing_raised(IOError) {f.close_write}
end
end
def test_close_write_non_readable
with_pipe do |r, w|
assert_raise(IOError) do
r.close_write
end
end
end
def test_close_read_write_separately
bug = '[ruby-list:49598]'
(1..10).each do |i|
assert_nothing_raised(IOError, "#{bug} trying ##{i}") do
IO.popen(EnvUtil.rubybin, "r+") {|f|
th = Thread.new {f.close_write}
f.close_read
th.join
}
end
end
end
def test_pid
IO.pipe {|r, w|
assert_equal(nil, r.pid)
assert_equal(nil, w.pid)
}
begin
pipe = IO.popen(EnvUtil.rubybin, "r+")
pid1 = pipe.pid
pipe.puts "p $$"
pipe.close_write
pid2 = pipe.read.chomp.to_i
assert_equal(pid2, pid1)
assert_equal(pid2, pipe.pid)
ensure
pipe.close
end
assert_raise(IOError) { pipe.pid }
end
def test_pid_after_close_read
pid1 = pid2 = nil
IO.popen("exit ;", "r+") do |io|
pid1 = io.pid
io.close_read
pid2 = io.pid
end
assert_not_nil(pid1)
assert_equal(pid1, pid2)
end
def make_tempfile
t = Tempfile.new("test_io")
t.binmode
t.puts "foo"
t.puts "bar"
t.puts "baz"
t.close
if block_given?
begin
yield t
ensure
t.close(true)
end
else
t
end
end
def test_set_lineno
make_tempfile {|t|
assert_separately(["-", t.path], <<-SRC)
open(ARGV[0]) do |f|
assert_equal(0, $.)
f.gets; assert_equal(1, $.)
f.gets; assert_equal(2, $.)
f.lineno = 1000; assert_equal(2, $.)
f.gets; assert_equal(1001, $.)
f.gets; assert_equal(1001, $.)
f.rewind; assert_equal(1001, $.)
f.gets; assert_equal(1, $.)
f.gets; assert_equal(2, $.)
f.gets; assert_equal(3, $.)
f.gets; assert_equal(3, $.)
end
SRC
}
end
def test_set_lineno_gets
pipe(proc do |w|
w.puts "foo"
w.puts "bar"
w.puts "baz"
w.close
end, proc do |r|
r.gets; assert_equal(1, $.)
r.gets; assert_equal(2, $.)
r.lineno = 1000; assert_equal(2, $.)
r.gets; assert_equal(1001, $.)
r.gets; assert_equal(1001, $.)
end)
end
def test_set_lineno_readline
pipe(proc do |w|
w.puts "foo"
w.puts "bar"
w.puts "baz"
w.close
end, proc do |r|
r.readline; assert_equal(1, $.)
r.readline; assert_equal(2, $.)
r.lineno = 1000; assert_equal(2, $.)
r.readline; assert_equal(1001, $.)
assert_raise(EOFError) { r.readline }
end)
end
def test_each_char
pipe(proc do |w|
w.puts "foo"
w.puts "bar"
w.puts "baz"
w.close
end, proc do |r|
a = []
r.each_char {|c| a << c }
assert_equal(%w(f o o) + ["\n"] + %w(b a r) + ["\n"] + %w(b a z) + ["\n"], a)
end)
end
def test_lines
verbose, $VERBOSE = $VERBOSE, nil
pipe(proc do |w|
w.puts "foo"
w.puts "bar"
w.puts "baz"
w.close
end, proc do |r|
e = nil
assert_warn(/deprecated/) {
e = r.lines
}
assert_equal("foo\n", e.next)
assert_equal("bar\n", e.next)
assert_equal("baz\n", e.next)
assert_raise(StopIteration) { e.next }
end)
ensure
$VERBOSE = verbose
end
def test_bytes
verbose, $VERBOSE = $VERBOSE, nil
pipe(proc do |w|
w.binmode
w.puts "foo"
w.puts "bar"
w.puts "baz"
w.close
end, proc do |r|
e = nil
assert_warn(/deprecated/) {
e = r.bytes
}
(%w(f o o) + ["\n"] + %w(b a r) + ["\n"] + %w(b a z) + ["\n"]).each do |c|
assert_equal(c.ord, e.next)
end
assert_raise(StopIteration) { e.next }
end)
ensure
$VERBOSE = verbose
end
def test_chars
verbose, $VERBOSE = $VERBOSE, nil
pipe(proc do |w|
w.puts "foo"
w.puts "bar"
w.puts "baz"
w.close
end, proc do |r|
e = nil
assert_warn(/deprecated/) {
e = r.chars
}
(%w(f o o) + ["\n"] + %w(b a r) + ["\n"] + %w(b a z) + ["\n"]).each do |c|
assert_equal(c, e.next)
end
assert_raise(StopIteration) { e.next }
end)
ensure
$VERBOSE = verbose
end
def test_readbyte
pipe(proc do |w|
w.binmode
w.puts "foo"
w.puts "bar"
w.puts "baz"
w.close
end, proc do |r|
r.binmode
(%w(f o o) + ["\n"] + %w(b a r) + ["\n"] + %w(b a z) + ["\n"]).each do |c|
assert_equal(c.ord, r.readbyte)
end
assert_raise(EOFError) { r.readbyte }
end)
end
def test_readchar
pipe(proc do |w|
w.puts "foo"
w.puts "bar"
w.puts "baz"
w.close
end, proc do |r|
(%w(f o o) + ["\n"] + %w(b a r) + ["\n"] + %w(b a z) + ["\n"]).each do |c|
assert_equal(c, r.readchar)
end
assert_raise(EOFError) { r.readchar }
end)
end
def test_close_on_exec
ruby do |f|
assert_equal(true, f.close_on_exec?)
f.close_on_exec = false
assert_equal(false, f.close_on_exec?)
f.close_on_exec = true
assert_equal(true, f.close_on_exec?)
f.close_on_exec = false
assert_equal(false, f.close_on_exec?)
end
with_pipe do |r, w|
assert_equal(true, r.close_on_exec?)
r.close_on_exec = false
assert_equal(false, r.close_on_exec?)
r.close_on_exec = true
assert_equal(true, r.close_on_exec?)
r.close_on_exec = false
assert_equal(false, r.close_on_exec?)
assert_equal(true, w.close_on_exec?)
w.close_on_exec = false
assert_equal(false, w.close_on_exec?)
w.close_on_exec = true
assert_equal(true, w.close_on_exec?)
w.close_on_exec = false
assert_equal(false, w.close_on_exec?)
end
end if have_close_on_exec?
def test_pos
make_tempfile {|t|
open(t.path, IO::RDWR|IO::CREAT|IO::TRUNC, 0600) do |f|
f.write "Hello"
assert_equal(5, f.pos)
end
open(t.path, IO::RDWR|IO::CREAT|IO::TRUNC, 0600) do |f|
f.sync = true
f.read
f.write "Hello"
assert_equal(5, f.pos)
end
}
end
def test_pos_with_getc
_bug6179 = '[ruby-core:43497]'
make_tempfile {|t|
["", "t", "b"].each do |mode|
open(t.path, "w#{mode}") do |f|
f.write "0123456789\n"
end
open(t.path, "r#{mode}") do |f|
assert_equal 0, f.pos, "mode=r#{mode}"
assert_equal '0', f.getc, "mode=r#{mode}"
assert_equal 1, f.pos, "mode=r#{mode}"
assert_equal '1', f.getc, "mode=r#{mode}"
assert_equal 2, f.pos, "mode=r#{mode}"
assert_equal '2', f.getc, "mode=r#{mode}"
assert_equal 3, f.pos, "mode=r#{mode}"
assert_equal '3', f.getc, "mode=r#{mode}"
assert_equal 4, f.pos, "mode=r#{mode}"
assert_equal '4', f.getc, "mode=r#{mode}"
end
end
}
end
def can_seek_data(f)
if /linux/ =~ RUBY_PLATFORM
require "-test-/file"
# lseek(2)
case Bug::File::Fs.fsname(f.path)
when "btrfs"
return true if (Etc.uname[:release].split('.').map(&:to_i) <=> [3,1]) >= 0
when "ocfs"
return true if (Etc.uname[:release].split('.').map(&:to_i) <=> [3,2]) >= 0
when "xfs"
return true if (Etc.uname[:release].split('.').map(&:to_i) <=> [3,5]) >= 0
when "ext4"
return true if (Etc.uname[:release].split('.').map(&:to_i) <=> [3,8]) >= 0
when "tmpfs"
return true if (Etc.uname[:release].split('.').map(&:to_i) <=> [3,8]) >= 0
end
end
false
end
def test_seek
make_tempfile {|t|
open(t.path) { |f|
f.seek(9)
assert_equal("az\n", f.read)
}
open(t.path) { |f|
f.seek(9, IO::SEEK_SET)
assert_equal("az\n", f.read)
}
open(t.path) { |f|
f.seek(-4, IO::SEEK_END)
assert_equal("baz\n", f.read)
}
open(t.path) { |f|
assert_equal("foo\n", f.gets)
f.seek(2, IO::SEEK_CUR)
assert_equal("r\nbaz\n", f.read)
}
if defined?(IO::SEEK_DATA)
open(t.path) { |f|
break unless can_seek_data(f)
assert_equal("foo\n", f.gets)
f.seek(0, IO::SEEK_DATA)
assert_equal("foo\nbar\nbaz\n", f.read)
}
open(t.path, 'r+') { |f|
break unless can_seek_data(f)
f.seek(100*1024, IO::SEEK_SET)
f.print("zot\n")
f.seek(50*1024, IO::SEEK_DATA)
assert_operator(f.pos, :>=, 50*1024)
assert_match(/\A\0*zot\n\z/, f.read)
}
end
if defined?(IO::SEEK_HOLE)
open(t.path) { |f|
break unless can_seek_data(f)
assert_equal("foo\n", f.gets)
f.seek(0, IO::SEEK_HOLE)
assert_operator(f.pos, :>, 20)
f.seek(100*1024, IO::SEEK_HOLE)
assert_equal("", f.read)
}
end
}
end
def test_seek_symwhence
make_tempfile {|t|
open(t.path) { |f|
f.seek(9, :SET)
assert_equal("az\n", f.read)
}
open(t.path) { |f|
f.seek(-4, :END)
assert_equal("baz\n", f.read)
}
open(t.path) { |f|
assert_equal("foo\n", f.gets)
f.seek(2, :CUR)
assert_equal("r\nbaz\n", f.read)
}
if defined?(IO::SEEK_DATA)
open(t.path) { |f|
break unless can_seek_data(f)
assert_equal("foo\n", f.gets)
f.seek(0, :DATA)
assert_equal("foo\nbar\nbaz\n", f.read)
}
open(t.path, 'r+') { |f|
break unless can_seek_data(f)
f.seek(100*1024, :SET)
f.print("zot\n")
f.seek(50*1024, :DATA)
assert_operator(f.pos, :>=, 50*1024)
assert_match(/\A\0*zot\n\z/, f.read)
}
end
if defined?(IO::SEEK_HOLE)
open(t.path) { |f|
break unless can_seek_data(f)
assert_equal("foo\n", f.gets)
f.seek(0, :HOLE)
assert_operator(f.pos, :>, 20)
f.seek(100*1024, :HOLE)
assert_equal("", f.read)
}
end
}
end
def test_sysseek
make_tempfile {|t|
open(t.path) do |f|
f.sysseek(-4, IO::SEEK_END)
assert_equal("baz\n", f.read)
end
open(t.path) do |f|
a = [f.getc, f.getc, f.getc]
a.reverse_each {|c| f.ungetc c }
assert_raise(IOError) { f.sysseek(1) }
end
}
end
def test_syswrite
make_tempfile {|t|
open(t.path, "w") do |f|
o = Object.new
def o.to_s; "FOO\n"; end
f.syswrite(o)
end
assert_equal("FOO\n", File.read(t.path))
}
end
def test_sysread
make_tempfile {|t|
open(t.path) do |f|
a = [f.getc, f.getc, f.getc]
a.reverse_each {|c| f.ungetc c }
assert_raise(IOError) { f.sysread(1) }
end
}
end
def test_sysread_with_not_empty_buffer
pipe(proc do |w|
w.write "foob"
w.close
end, proc do |r|
r.sysread( 5, s = "01234567" )
assert_equal( "foob", s )
end)
end
def test_flag
make_tempfile {|t|
assert_raise(ArgumentError) do
open(t.path, "z") { }
end
assert_raise(ArgumentError) do
open(t.path, "rr") { }
end
assert_raise(ArgumentError) do
open(t.path, "rbt") { }
end
}
end
def test_sysopen
make_tempfile {|t|
fd = IO.sysopen(t.path)
assert_kind_of(Integer, fd)
f = IO.for_fd(fd)
assert_equal("foo\nbar\nbaz\n", f.read)
f.close
fd = IO.sysopen(t.path, "w", 0666)
assert_kind_of(Integer, fd)
if defined?(Fcntl::F_GETFL)
f = IO.for_fd(fd)
else
f = IO.for_fd(fd, 0666)
end
f.write("FOO\n")
f.close
fd = IO.sysopen(t.path, "r")
assert_kind_of(Integer, fd)
f = IO.for_fd(fd)
assert_equal("FOO\n", f.read)
f.close
}
end
def try_fdopen(fd, autoclose = true, level = 50)
if level > 0
begin
1.times {return try_fdopen(fd, autoclose, level - 1)}
ensure
GC.start
end
else
WeakRef.new(IO.for_fd(fd, autoclose: autoclose))
end
end
def test_autoclose
feature2250 = '[ruby-core:26222]'
pre = 'ft2250'
Dir.mktmpdir {|d|
t = open("#{d}/#{pre}", "w")
f = IO.for_fd(t.fileno)
assert_equal(true, f.autoclose?)
f.autoclose = false
assert_equal(false, f.autoclose?)
f.close
assert_nothing_raised(Errno::EBADF, feature2250) {t.close}
t = open("#{d}/#{pre}", "w")
f = IO.for_fd(t.fileno, autoclose: false)
assert_equal(false, f.autoclose?)
f.autoclose = true
assert_equal(true, f.autoclose?)
f.close
assert_raise(Errno::EBADF, feature2250) {t.close}
}
end
def test_autoclose_true_closed_by_finalizer
# http://ci.rvm.jp/results/trunk-mjit@silicon-docker/1465760
# http://ci.rvm.jp/results/trunk-mjit@silicon-docker/1469765
skip 'this randomly fails with MJIT' if RubyVM::MJIT.enabled?
feature2250 = '[ruby-core:26222]'
pre = 'ft2250'
t = Tempfile.new(pre)
w = try_fdopen(t.fileno)
begin
w.close
begin
t.close
rescue Errno::EBADF
end
skip "expect IO object was GC'ed but not recycled yet"
rescue WeakRef::RefError
assert_raise(Errno::EBADF, feature2250) {t.close}
end
ensure
t&.close!
end
def test_autoclose_false_closed_by_finalizer
feature2250 = '[ruby-core:26222]'
pre = 'ft2250'
t = Tempfile.new(pre)
w = try_fdopen(t.fileno, false)
begin
w.close
t.close
skip "expect IO object was GC'ed but not recycled yet"
rescue WeakRef::RefError
assert_nothing_raised(Errno::EBADF, feature2250) {t.close}
end
ensure
t.close!
end
def test_open_redirect
o = Object.new
def o.to_open; self; end
assert_equal(o, open(o))
o2 = nil
open(o) do |f|
o2 = f
end
assert_equal(o, o2)
end
def test_open_redirect_keyword
o = Object.new
def o.to_open(**kw); kw; end
assert_equal({:a=>1}, open(o, a: 1))
w = /The last argument is used as the keyword parameter.*for `(to_)?open'/m
redefined = nil
w.singleton_class.define_method(:===) do |s|
match = super(s)
redefined = !$1
match
end
assert_warn(w) do
assert_equal({:a=>1}, open(o, {a: 1}))
end
class << o
remove_method(:to_open)
end
def o.to_open(kw); kw; end
assert_equal({:a=>1}, open(o, a: 1))
unless redefined
assert_equal({:a=>1}, open(o, {a: 1}))
end
end
def test_open_pipe
open("|" + EnvUtil.rubybin, "r+") do |f|
f.puts "puts 'foo'"
f.close_write
assert_equal("foo\n", f.read)
end
end
def test_read_command
assert_equal("foo\n", IO.read("|echo foo"))
assert_raise(Errno::ENOENT, Errno::EINVAL) do
File.read("|#{EnvUtil.rubybin} -e puts")
end
assert_raise(Errno::ENOENT, Errno::EINVAL) do
File.binread("|#{EnvUtil.rubybin} -e puts")
end
assert_raise(Errno::ENOENT, Errno::EINVAL) do
Class.new(IO).read("|#{EnvUtil.rubybin} -e puts")
end
assert_raise(Errno::ENOENT, Errno::EINVAL) do
Class.new(IO).binread("|#{EnvUtil.rubybin} -e puts")
end
assert_raise(Errno::ESPIPE) do
IO.read("|echo foo", 1, 1)
end
end
def test_reopen
make_tempfile {|t|
open(__FILE__) do |f|
f.gets
assert_nothing_raised {
f.reopen(t.path)
assert_equal("foo\n", f.gets)
}
end
open(__FILE__) do |f|
f.gets
f2 = open(t.path)
begin
f2.gets
assert_nothing_raised {
f.reopen(f2)
assert_equal("bar\n", f.gets, '[ruby-core:24240]')
}
ensure
f2.close
end
end
open(__FILE__) do |f|
f2 = open(t.path)
begin
f.reopen(f2)
assert_equal("foo\n", f.gets)
assert_equal("bar\n", f.gets)
f.reopen(f2)
assert_equal("baz\n", f.gets, '[ruby-dev:39479]')
ensure
f2.close
end
end
}
end
def test_reopen_inherit
mkcdtmpdir {
system(EnvUtil.rubybin, '-e', <<-"End")
f = open("out", "w")
STDOUT.reopen(f)
STDERR.reopen(f)
system(#{EnvUtil.rubybin.dump}, '-e', 'STDOUT.print "out"')
system(#{EnvUtil.rubybin.dump}, '-e', 'STDERR.print "err"')
End
assert_equal("outerr", File.read("out"))
}
end
def test_reopen_stdio
mkcdtmpdir {
fname = 'bug11319'
File.write(fname, 'hello')
system(EnvUtil.rubybin, '-e', "STDOUT.reopen('#{fname}', 'w+')")
assert_equal('', File.read(fname))
}
end
def test_reopen_mode
feature7067 = '[ruby-core:47694]'
make_tempfile {|t|
open(__FILE__) do |f|
assert_nothing_raised {
f.reopen(t.path, "r")
assert_equal("foo\n", f.gets)
}
end
open(__FILE__) do |f|
assert_nothing_raised(feature7067) {
f.reopen(t.path, File::RDONLY)
assert_equal("foo\n", f.gets)
}
end
}
end
def test_reopen_opt
feature7103 = '[ruby-core:47806]'
make_tempfile {|t|
open(__FILE__) do |f|
assert_nothing_raised(feature7103) {
f.reopen(t.path, "r", binmode: true)
}
assert_equal("foo\n", f.gets)
end
open(__FILE__) do |f|
assert_nothing_raised(feature7103) {
f.reopen(t.path, autoclose: false)
}
assert_equal("foo\n", f.gets)
end
}
end
def make_tempfile_for_encoding
t = make_tempfile
open(t.path, "rb+:utf-8") {|f| f.puts "\u7d05\u7389bar\n"}
if block_given?
yield t
else
t
end
ensure
t&.close(true) if block_given?
end
def test_reopen_encoding
make_tempfile_for_encoding {|t|
open(__FILE__) {|f|
f.reopen(t.path, "r:utf-8")
s = f.gets
assert_equal(Encoding::UTF_8, s.encoding)
assert_equal("\u7d05\u7389bar\n", s)
}
open(__FILE__) {|f|
f.reopen(t.path, "r:UTF-8:EUC-JP")
s = f.gets
assert_equal(Encoding::EUC_JP, s.encoding)
assert_equal("\xB9\xC8\xB6\xCCbar\n".force_encoding(Encoding::EUC_JP), s)
}
}
end
def test_reopen_opt_encoding
feature7103 = '[ruby-core:47806]'
make_tempfile_for_encoding {|t|
open(__FILE__) {|f|
assert_nothing_raised(feature7103) {f.reopen(t.path, encoding: "ASCII-8BIT")}
s = f.gets
assert_equal(Encoding::ASCII_8BIT, s.encoding)
assert_equal("\xe7\xb4\x85\xe7\x8e\x89bar\n", s)
}
open(__FILE__) {|f|
assert_nothing_raised(feature7103) {f.reopen(t.path, encoding: "UTF-8:EUC-JP")}
s = f.gets
assert_equal(Encoding::EUC_JP, s.encoding)
assert_equal("\xB9\xC8\xB6\xCCbar\n".force_encoding(Encoding::EUC_JP), s)
}
}
end
bug11320 = '[ruby-core:69780] [Bug #11320]'
["UTF-8", "EUC-JP", "Shift_JIS"].each do |enc|
define_method("test_reopen_nonascii(#{enc})") do
mkcdtmpdir do
fname = "\u{30eb 30d3 30fc}".encode(enc)
File.write(fname, '')
assert_file.exist?(fname)
stdin = $stdin.dup
begin
assert_nothing_raised(Errno::ENOENT, "#{bug11320}: #{enc}") {
$stdin.reopen(fname, 'r')
}
ensure
$stdin.reopen(stdin)
stdin.close
end
end
end
end
def test_foreach
a = []
IO.foreach("|" + EnvUtil.rubybin + " -e 'puts :foo; puts :bar; puts :baz'") {|x| a << x }
assert_equal(["foo\n", "bar\n", "baz\n"], a)
a = []
IO.foreach("|" + EnvUtil.rubybin + " -e 'puts :zot'", :open_args => ["r"]) {|x| a << x }
assert_equal(["zot\n"], a)
make_tempfile {|t|
a = []
IO.foreach(t.path) {|x| a << x }
assert_equal(["foo\n", "bar\n", "baz\n"], a)
a = []
IO.foreach(t.path, :mode => "r") {|x| a << x }
assert_equal(["foo\n", "bar\n", "baz\n"], a)
a = []
IO.foreach(t.path, :open_args => []) {|x| a << x }
assert_equal(["foo\n", "bar\n", "baz\n"], a)
a = []
IO.foreach(t.path, :open_args => ["r"]) {|x| a << x }
assert_equal(["foo\n", "bar\n", "baz\n"], a)
a = []
IO.foreach(t.path, "b") {|x| a << x }
assert_equal(["foo\nb", "ar\nb", "az\n"], a)
a = []
IO.foreach(t.path, 3) {|x| a << x }
assert_equal(["foo", "\n", "bar", "\n", "baz", "\n"], a)
a = []
IO.foreach(t.path, "b", 3) {|x| a << x }
assert_equal(["foo", "\nb", "ar\n", "b", "az\n"], a)
bug = '[ruby-dev:31525]'
assert_raise(ArgumentError, bug) {IO.foreach}
a = nil
assert_nothing_raised(ArgumentError, bug) {a = IO.foreach(t.path).to_a}
assert_equal(["foo\n", "bar\n", "baz\n"], a, bug)
bug6054 = '[ruby-dev:45267]'
assert_raise_with_message(IOError, /not opened for reading/, bug6054) do
IO.foreach(t.path, mode:"w").next
end
}
end
def test_s_readlines
make_tempfile {|t|
assert_equal(["foo\n", "bar\n", "baz\n"], IO.readlines(t.path))
assert_equal(["foo\nb", "ar\nb", "az\n"], IO.readlines(t.path, "b"))
assert_equal(["fo", "o\n", "ba", "r\n", "ba", "z\n"], IO.readlines(t.path, 2))
assert_equal(["fo", "o\n", "b", "ar", "\nb", "az", "\n"], IO.readlines(t.path, "b", 2))
}
end
def test_printf
pipe(proc do |w|
printf(w, "foo %s baz\n", "bar")
w.close_write
end, proc do |r|
assert_equal("foo bar baz\n", r.read)
end)
end
def test_print
make_tempfile {|t|
assert_in_out_err(["-", t.path],
"print while $<.gets",
%w(foo bar baz), [])
}
end
def test_print_separators
EnvUtil.suppress_warning {$, = ':'}
$\ = "\n"
pipe(proc do |w|
w.print('a')
w.print('a','b','c')
w.close
end, proc do |r|
assert_equal("a\n", r.gets)
assert_equal("a:b:c\n", r.gets)
assert_nil r.gets
r.close
end)
ensure
$, = nil
$\ = nil
end
def test_putc
pipe(proc do |w|
w.putc "A"
w.putc "BC"
w.putc 68
w.close_write
end, proc do |r|
assert_equal("ABD", r.read)
end)
assert_in_out_err([], "putc 65", %w(A), [])
end
def test_puts_recursive_array
a = ["foo"]
a << a
pipe(proc do |w|
w.puts a
w.close
end, proc do |r|
assert_equal("foo\n[...]\n", r.read)
end)
end
def test_puts_parallel
skip "not portable"
pipe(proc do |w|
threads = []
100.times do
threads << Thread.new { w.puts "hey" }
end
threads.each(&:join)
w.close
end, proc do |r|
assert_equal("hey\n" * 100, r.read)
end)
end
def test_puts_old_write
capture = String.new
def capture.write(str)
self << str
end
capture.clear
assert_warning(/[.#]write is outdated/) do
stdout, $stdout = $stdout, capture
puts "hey"
ensure
$stdout = stdout
end
assert_equal("hey\n", capture)
end
def test_display
pipe(proc do |w|
"foo".display(w)
w.close
end, proc do |r|
assert_equal("foo", r.read)
end)
assert_in_out_err([], "'foo'.display", %w(foo), [])
end
def test_set_stdout
assert_raise(TypeError) { $> = Object.new }
assert_in_out_err([], "$> = $stderr\nputs 'foo'", [], %w(foo))
assert_separately(%w[-Eutf-8], "#{<<~"begin;"}\n#{<<~"end;"}")
begin;
alias $\u{6a19 6e96 51fa 529b} $stdout
x = eval("class X\u{307b 3052}; self; end".encode("euc-jp"))
assert_raise_with_message(TypeError, /\\$\u{6a19 6e96 51fa 529b} must.*, X\u{307b 3052} given/) do
$\u{6a19 6e96 51fa 529b} = x.new
end
end;
end
def test_initialize
return unless defined?(Fcntl::F_GETFL)
make_tempfile {|t|
fd = IO.sysopen(t.path, "w")
assert_kind_of(Integer, fd)
%w[r r+ w+ a+].each do |mode|
assert_raise(Errno::EINVAL, "#{mode} [ruby-dev:38571]") {IO.new(fd, mode)}
end
f = IO.new(fd, "w")
f.write("FOO\n")
f.close
assert_equal("FOO\n", File.read(t.path))
}
end
def test_reinitialize
make_tempfile {|t|
f = open(t.path)
begin
assert_raise(RuntimeError) do
f.instance_eval { initialize }
end
ensure
f.close
end
}
end
def test_new_with_block
assert_in_out_err([], "r, w = IO.pipe; r.autoclose=false; IO.new(r.fileno) {}.close", [], /^.+$/)
n = "IO\u{5165 51fa 529b}"
c = eval("class #{n} < IO; self; end")
IO.pipe do |r, w|
assert_warning(/#{n}/) {
r.autoclose=false
io = c.new(r.fileno) {}
io.close
}
end
end
def test_readline2
assert_in_out_err(["-e", <<-SRC], "foo\nbar\nbaz\n", %w(foo bar baz end), [])
puts readline
puts readline
puts readline
begin
puts readline
rescue EOFError
puts "end"
end
SRC
end
def test_readlines
assert_in_out_err(["-e", "p readlines"], "foo\nbar\nbaz\n",
["[\"foo\\n\", \"bar\\n\", \"baz\\n\"]"], [])
end
def test_s_read
make_tempfile {|t|
assert_equal("foo\nbar\nbaz\n", File.read(t.path))
assert_equal("foo\nba", File.read(t.path, 6))
assert_equal("bar\n", File.read(t.path, 4, 4))
}
end
def test_uninitialized
assert_raise(IOError) { IO.allocate.print "" }
end
def test_nofollow
# O_NOFOLLOW is not standard.
mkcdtmpdir {
open("file", "w") {|f| f << "content" }
begin
File.symlink("file", "slnk")
rescue NotImplementedError
return
end
assert_raise(Errno::EMLINK, Errno::ELOOP) {
open("slnk", File::RDONLY|File::NOFOLLOW) {}
}
assert_raise(Errno::EMLINK, Errno::ELOOP) {
File.foreach("slnk", :open_args=>[File::RDONLY|File::NOFOLLOW]) {}
}
}
end if /freebsd|linux/ =~ RUBY_PLATFORM and defined? File::NOFOLLOW
def test_binmode_after_closed
make_tempfile {|t|
assert_raise(IOError) {t.binmode}
}
end
def test_DATA_binmode
assert_separately([], <<-SRC)
assert_not_predicate(DATA, :binmode?)
__END__
SRC
end
def test_threaded_flush
bug3585 = '[ruby-core:31348]'
src = "#{<<~"begin;"}\n#{<<~'end;'}"
begin;
t = Thread.new { sleep 3 }
Thread.new {sleep 1; t.kill; p 'hi!'}
t.join
end;
10.times.map do
Thread.start do
assert_in_out_err([], src, timeout: 20) {|stdout, stderr|
assert_no_match(/hi.*hi/, stderr.join, bug3585)
}
end
end.each {|th| th.join}
end
def test_flush_in_finalizer1
bug3910 = '[ruby-dev:42341]'
tmp = Tempfile.open("bug3910") {|t|
path = t.path
t.close
fds = []
assert_nothing_raised(TypeError, bug3910) do
500.times {
f = File.open(path, "w")
f.instance_variable_set(:@test_flush_in_finalizer1, true)
fds << f.fileno
f.print "hoge"
}
end
t
}
ensure
ObjectSpace.each_object(File) {|f|
if f.instance_variables.include?(:@test_flush_in_finalizer1)
f.close
end
}
tmp.close!
end
def test_flush_in_finalizer2
bug3910 = '[ruby-dev:42341]'
Tempfile.open("bug3910") {|t|
path = t.path
t.close
begin
1.times do
io = open(path,"w")
io.instance_variable_set(:@test_flush_in_finalizer2, true)
io.print "hoge"
end
assert_nothing_raised(TypeError, bug3910) do
GC.start
end
ensure
ObjectSpace.each_object(File) {|f|
if f.instance_variables.include?(:@test_flush_in_finalizer2)
f.close
end
}
end
t.close!
}
end
def test_readlines_limit_0
bug4024 = '[ruby-dev:42538]'
make_tempfile {|t|
open(t.path, "r") do |io|
assert_raise(ArgumentError, bug4024) do
io.readlines(0)
end
end
}
end
def test_each_line_limit_0
bug4024 = '[ruby-dev:42538]'
make_tempfile {|t|
open(t.path, "r") do |io|
assert_raise(ArgumentError, bug4024) do
io.each_line(0).next
end
end
}
end
def os_and_fs(path)
uname = Etc.uname
os = "#{uname[:sysname]} #{uname[:release]}"
fs = nil
if uname[:sysname] == 'Linux'
# [ruby-dev:45703] Old Linux's fadvise() doesn't work on tmpfs.
mount = `mount`
mountpoints = []
mount.scan(/ on (\S+) type (\S+) /) {
mountpoints << [$1, $2]
}
mountpoints.sort_by {|mountpoint, fstype| mountpoint.length }.reverse_each {|mountpoint, fstype|
if path == mountpoint
fs = fstype
break
end
mountpoint += "/" if %r{/\z} !~ mountpoint
if path.start_with?(mountpoint)
fs = fstype
break
end
}
end
if fs
"#{fs} on #{os}"
else
os
end
end
def test_advise
make_tempfile {|tf|
assert_raise(ArgumentError, "no arguments") { tf.advise }
%w{normal random sequential willneed dontneed noreuse}.map(&:to_sym).each do |adv|
[[0,0], [0, 20], [400, 2]].each do |offset, len|
open(tf.path) do |t|
ret = assert_nothing_raised(lambda { os_and_fs(tf.path) }) {
begin
t.advise(adv, offset, len)
rescue Errno::EINVAL => e
if /linux/ =~ RUBY_PLATFORM && (Etc.uname[:release].split('.').map(&:to_i) <=> [3,6]) < 0
next # [ruby-core:65355] tmpfs is not supported
else
raise e
end
end
}
assert_nil(ret)
assert_raise(ArgumentError, "superfluous arguments") do
t.advise(adv, offset, len, offset)
end
assert_raise(TypeError, "wrong type for first argument") do
t.advise(adv.to_s, offset, len)
end
assert_raise(TypeError, "wrong type for last argument") do
t.advise(adv, offset, Array(len))
end
assert_raise(RangeError, "last argument too big") do
t.advise(adv, offset, 9999e99)
end
end
assert_raise(IOError, "closed file") do
make_tempfile {|tf2|
tf2.advise(adv.to_sym, offset, len)
}
end
end
end
}
end
def test_invalid_advise
feature4204 = '[ruby-dev:42887]'
make_tempfile {|tf|
%W{Normal rand glark will_need zzzzzzzzzzzz \u2609}.map(&:to_sym).each do |adv|
[[0,0], [0, 20], [400, 2]].each do |offset, len|
open(tf.path) do |t|
assert_raise_with_message(NotImplementedError, /#{Regexp.quote(adv.inspect)}/, feature4204) { t.advise(adv, offset, len) }
end
end
end
}
end
def test_fcntl_lock_linux
pad = 0
Tempfile.create(self.class.name) do |f|
r, w = IO.pipe
pid = fork do
r.close
lock = [Fcntl::F_WRLCK, IO::SEEK_SET, pad, 12, 34, 0].pack("s!s!i!L!L!i!")
f.fcntl Fcntl::F_SETLKW, lock
w.syswrite "."
sleep
end
w.close
assert_equal ".", r.read(1)
r.close
pad = 0
getlock = [Fcntl::F_WRLCK, 0, pad, 0, 0, 0].pack("s!s!i!L!L!i!")
f.fcntl Fcntl::F_GETLK, getlock
ptype, whence, pad, start, len, lockpid = getlock.unpack("s!s!i!L!L!i!")
assert_equal(ptype, Fcntl::F_WRLCK)
assert_equal(whence, IO::SEEK_SET)
assert_equal(start, 12)
assert_equal(len, 34)
assert_equal(pid, lockpid)
Process.kill :TERM, pid
Process.waitpid2(pid)
end
end if /x86_64-linux/ =~ RUBY_PLATFORM and # A binary form of struct flock depend on platform
[nil].pack("p").bytesize == 8 # unless x32 platform.
def test_fcntl_lock_freebsd
start = 12
len = 34
sysid = 0
Tempfile.create(self.class.name) do |f|
r, w = IO.pipe
pid = fork do
r.close
lock = [start, len, 0, Fcntl::F_WRLCK, IO::SEEK_SET, sysid].pack("qqis!s!i!")
f.fcntl Fcntl::F_SETLKW, lock
w.syswrite "."
sleep
end
w.close
assert_equal ".", r.read(1)
r.close
getlock = [0, 0, 0, Fcntl::F_WRLCK, 0, 0].pack("qqis!s!i!")
f.fcntl Fcntl::F_GETLK, getlock
start, len, lockpid, ptype, whence, sysid = getlock.unpack("qqis!s!i!")
assert_equal(ptype, Fcntl::F_WRLCK)
assert_equal(whence, IO::SEEK_SET)
assert_equal(start, 12)
assert_equal(len, 34)
assert_equal(pid, lockpid)
Process.kill :TERM, pid
Process.waitpid2(pid)
end
end if /freebsd/ =~ RUBY_PLATFORM # A binary form of struct flock depend on platform
def test_fcntl_dupfd
Tempfile.create(self.class.name) do |f|
fd = f.fcntl(Fcntl::F_DUPFD, 63)
begin
assert_operator(fd, :>=, 63)
ensure
IO.for_fd(fd).close
end
end
end
def test_cross_thread_close_fd
with_pipe do |r,w|
read_thread = Thread.new do
begin
r.read(1)
rescue => e
e
end
end
sleep(0.1) until read_thread.stop?
r.close
read_thread.join
assert_kind_of(IOError, read_thread.value)
end
end
def test_cross_thread_close_stdio
assert_separately([], <<-'end;')
IO.pipe do |r,w|
$stdin.reopen(r)
r.close
read_thread = Thread.new do
begin
$stdin.read(1)
rescue IOError => e
e
end
end
sleep(0.1) until read_thread.stop?
$stdin.close
assert_kind_of(IOError, read_thread.value)
end
end;
end
def test_single_exception_on_close
a = []
t = []
10.times do
r, w = IO.pipe
a << [r, w]
t << Thread.new do
while r.gets
end rescue IOError
Thread.current.pending_interrupt?
end
end
a.each do |r, w|
w.write(-"\n")
w.close
r.close
end
t.each do |th|
assert_equal false, th.value, '[ruby-core:81581] [Bug #13632]'
end
end
def test_open_mode
feature4742 = "[ruby-core:36338]"
bug6055 = '[ruby-dev:45268]'
mkcdtmpdir do
assert_not_nil(f = File.open('symbolic', 'w'))
f.close
assert_not_nil(f = File.open('numeric', File::WRONLY|File::TRUNC|File::CREAT))
f.close
assert_not_nil(f = File.open('hash-symbolic', :mode => 'w'))
f.close
assert_not_nil(f = File.open('hash-numeric', :mode => File::WRONLY|File::TRUNC|File::CREAT), feature4742)
f.close
assert_nothing_raised(bug6055) {f = File.open('hash-symbolic', binmode: true)}
f.close
end
end
def test_s_write
mkcdtmpdir do
path = "test_s_write"
File.write(path, "foo\nbar\nbaz")
assert_equal("foo\nbar\nbaz", File.read(path))
File.write(path, "FOO", 0)
assert_equal("FOO\nbar\nbaz", File.read(path))
File.write(path, "BAR")
assert_equal("BAR", File.read(path))
File.write(path, "\u{3042}", mode: "w", encoding: "EUC-JP")
assert_equal("\u{3042}".encode("EUC-JP"), File.read(path, encoding: "EUC-JP"))
File.delete path
assert_equal(6, File.write(path, 'string', 2))
File.delete path
assert_raise(Errno::EINVAL) { File.write('nonexisting','string', -2) }
assert_equal(6, File.write(path, 'string'))
assert_equal(3, File.write(path, 'sub', 1))
assert_equal("ssubng", File.read(path))
File.delete path
assert_equal(3, File.write(path, "foo", encoding: "UTF-8"))
File.delete path
assert_equal(3, File.write(path, "foo", 0, encoding: "UTF-8"))
assert_equal("foo", File.read(path))
assert_equal(1, File.write(path, "f", 1, encoding: "UTF-8"))
assert_equal("ffo", File.read(path))
File.delete path
assert_equal(1, File.write(path, "f", 1, encoding: "UTF-8"))
assert_equal("\00f", File.read(path))
assert_equal(1, File.write(path, "f", 0, encoding: "UTF-8"))
assert_equal("ff", File.read(path))
assert_raise(TypeError) {
assert_warn(/The last argument is split into positional and keyword parameters/) do
File.write(path, "foo", Object.new => Object.new)
end
}
end
end
def test_s_binread_does_not_leak_with_invalid_offset
assert_raise(Errno::EINVAL) { IO.binread(__FILE__, 0, -1) }
end
def test_s_binwrite
mkcdtmpdir do
path = "test_s_binwrite"
File.binwrite(path, "foo\nbar\nbaz")
assert_equal("foo\nbar\nbaz", File.read(path))
File.binwrite(path, "FOO", 0)
assert_equal("FOO\nbar\nbaz", File.read(path))
File.binwrite(path, "BAR")
assert_equal("BAR", File.read(path))
File.binwrite(path, "\u{3042}")
assert_equal("\u{3042}".force_encoding("ASCII-8BIT"), File.binread(path))
File.delete path
assert_equal(6, File.binwrite(path, 'string', 2))
File.delete path
assert_equal(6, File.binwrite(path, 'string'))
assert_equal(3, File.binwrite(path, 'sub', 1))
assert_equal("ssubng", File.binread(path))
assert_equal(6, File.size(path))
assert_raise(Errno::EINVAL) { File.binwrite('nonexisting', 'string', -2) }
assert_nothing_raised(TypeError) { File.binwrite(path, "string", mode: "w", encoding: "EUC-JP") }
end
end
def test_race_between_read
Tempfile.create("test") {|file|
begin
path = file.path
file.close
write_file = File.open(path, "wt")
read_file = File.open(path, "rt")
threads = []
10.times do |i|
threads << Thread.new {write_file.print(i)}
threads << Thread.new {read_file.read}
end
assert_join_threads(threads)
assert(true, "[ruby-core:37197]")
ensure
read_file.close
write_file.close
end
}
end
def test_warn
assert_warning "warning\n" do
warn "warning"
end
assert_warning '' do
warn
end
assert_warning "[Feature #5029]\n[ruby-core:38070]\n" do
warn "[Feature #5029]", "[ruby-core:38070]"
end
end
def test_cloexec
return unless defined? Fcntl::FD_CLOEXEC
open(__FILE__) {|f|
assert_predicate(f, :close_on_exec?)
g = f.dup
begin
assert_predicate(g, :close_on_exec?)
f.reopen(g)
assert_predicate(f, :close_on_exec?)
ensure
g.close
end
g = IO.new(f.fcntl(Fcntl::F_DUPFD))
begin
assert_predicate(g, :close_on_exec?)
ensure
g.close
end
}
IO.pipe {|r,w|
assert_predicate(r, :close_on_exec?)
assert_predicate(w, :close_on_exec?)
}
end
def test_ioctl_linux
# Alpha, mips, sparc and ppc have an another ioctl request number scheme.
# So, hardcoded 0x80045200 may fail.
assert_nothing_raised do
File.open('/dev/urandom'){|f1|
entropy_count = ""
# RNDGETENTCNT(0x80045200) mean "get entropy count".
f1.ioctl(0x80045200, entropy_count)
}
end
buf = ''
assert_nothing_raised do
fionread = 0x541B
File.open(__FILE__){|f1|
f1.ioctl(fionread, buf)
}
end
assert_equal(File.size(__FILE__), buf.unpack('i!')[0])
end if /^(?:i.?86|x86_64)-linux/ =~ RUBY_PLATFORM
def test_ioctl_linux2
return unless STDIN.tty? # stdin is not a terminal
begin
f = File.open('/dev/tty')
rescue Errno::ENOENT, Errno::ENXIO => e
skip e.message
else
tiocgwinsz=0x5413
winsize=""
assert_nothing_raised {
f.ioctl(tiocgwinsz, winsize)
}
ensure
f&.close
end
end if /^(?:i.?86|x86_64)-linux/ =~ RUBY_PLATFORM
def test_setpos
mkcdtmpdir {
File.open("tmp.txt", "wb") {|f|
f.puts "a"
f.puts "bc"
f.puts "def"
}
pos1 = pos2 = pos3 = nil
File.open("tmp.txt", "rb") {|f|
assert_equal("a\n", f.gets)
pos1 = f.pos
assert_equal("bc\n", f.gets)
pos2 = f.pos
assert_equal("def\n", f.gets)
pos3 = f.pos
assert_equal(nil, f.gets)
}
File.open("tmp.txt", "rb") {|f|
f.pos = pos1
assert_equal("bc\n", f.gets)
assert_equal("def\n", f.gets)
assert_equal(nil, f.gets)
}
File.open("tmp.txt", "rb") {|f|
f.pos = pos2
assert_equal("def\n", f.gets)
assert_equal(nil, f.gets)
}
File.open("tmp.txt", "rb") {|f|
f.pos = pos3
assert_equal(nil, f.gets)
}
File.open("tmp.txt", "rb") {|f|
f.pos = File.size("tmp.txt")
s = "not empty string "
assert_equal("", f.read(0,s))
}
}
end
def test_std_fileno
assert_equal(0, STDIN.fileno)
assert_equal(1, STDOUT.fileno)
assert_equal(2, STDERR.fileno)
assert_equal(0, $stdin.fileno)
assert_equal(1, $stdout.fileno)
assert_equal(2, $stderr.fileno)
end
def test_frozen_fileno
bug9865 = '[ruby-dev:48241] [Bug #9865]'
with_pipe do |r,w|
fd = r.fileno
assert_equal(fd, r.freeze.fileno, bug9865)
end
end
def test_frozen_autoclose
with_pipe do |r,w|
assert_equal(true, r.freeze.autoclose?)
end
end
def test_sysread_locktmp
bug6099 = '[ruby-dev:45297]'
buf = " " * 100
data = "a" * 100
with_pipe do |r,w|
th = Thread.new {r.sysread(100, buf)}
Thread.pass until th.stop?
buf.replace("")
assert_empty(buf, bug6099)
w.write(data)
Thread.pass while th.alive?
th.join
end
assert_equal(data, buf, bug6099)
end
def test_readpartial_locktmp
bug6099 = '[ruby-dev:45297]'
buf = " " * 100
data = "a" * 100
th = nil
with_pipe do |r,w|
r.nonblock = true
th = Thread.new {r.readpartial(100, buf)}
Thread.pass until th.stop?
assert_equal 100, buf.bytesize
msg = /can't modify string; temporarily locked/
assert_raise_with_message(RuntimeError, msg) do
buf.replace("")
end
assert_predicate(th, :alive?)
w.write(data)
th.join
end
assert_equal(data, buf, bug6099)
end
def test_advise_pipe
# we don't know if other platforms have a real posix_fadvise()
with_pipe do |r,w|
# Linux 2.6.15 and earlier returned EINVAL instead of ESPIPE
assert_raise(Errno::ESPIPE, Errno::EINVAL) {
r.advise(:willneed) or skip "fadvise(2) is not implemented"
}
assert_raise(Errno::ESPIPE, Errno::EINVAL) {
w.advise(:willneed) or skip "fadvise(2) is not implemented"
}
end
end if /linux/ =~ RUBY_PLATFORM
def assert_buffer_not_raise_shared_string_error
bug6764 = '[ruby-core:46586]'
bug9847 = '[ruby-core:62643] [Bug #9847]'
size = 28
data = [*"a".."z", *"A".."Z"].shuffle.join("")
t = Tempfile.new("test_io")
t.write(data)
t.close
w = []
assert_nothing_raised(RuntimeError, bug6764) do
buf = ''
File.open(t.path, "r") do |r|
while yield(r, size, buf)
w << buf.dup
end
end
end
assert_equal(data, w.join(""), bug9847)
ensure
t.close!
end
def test_read_buffer_not_raise_shared_string_error
assert_buffer_not_raise_shared_string_error do |r, size, buf|
r.read(size, buf)
end
end
def test_sysread_buffer_not_raise_shared_string_error
assert_buffer_not_raise_shared_string_error do |r, size, buf|
begin
r.sysread(size, buf)
rescue EOFError
nil
end
end
end
def test_readpartial_buffer_not_raise_shared_string_error
assert_buffer_not_raise_shared_string_error do |r, size, buf|
begin
r.readpartial(size, buf)
rescue EOFError
nil
end
end
end
def test_puts_recursive_ary
bug5986 = '[ruby-core:42444]'
c = Class.new {
def to_ary
[self]
end
}
s = StringIO.new
s.puts(c.new)
assert_equal("[...]\n", s.string, bug5986)
end
def test_io_select_with_many_files
bug8080 = '[ruby-core:53349]'
assert_normal_exit %q{
require "tempfile"
# Unfortunately, ruby doesn't export FD_SETSIZE. then we assume it's 1024.
fd_setsize = 1024
# try to raise RLIM_NOFILE to >FD_SETSIZE
begin
Process.setrlimit(Process::RLIMIT_NOFILE, fd_setsize+20)
rescue Errno::EPERM
exit 0
end
tempfiles = []
(0..fd_setsize+1).map {|i|
tempfiles << Tempfile.open("test_io_select_with_many_files")
}
IO.select(tempfiles)
}, bug8080, timeout: 100
end if defined?(Process::RLIMIT_NOFILE)
def test_read_32bit_boundary
bug8431 = '[ruby-core:55098] [Bug #8431]'
make_tempfile {|t|
assert_separately(["-", bug8431, t.path], <<-"end;")
msg = ARGV.shift
f = open(ARGV[0], "rb")
f.seek(0xffff_ffff)
assert_nil(f.read(1), msg)
end;
}
end if /mswin|mingw/ =~ RUBY_PLATFORM
def test_write_32bit_boundary
bug8431 = '[ruby-core:55098] [Bug #8431]'
make_tempfile {|t|
def t.close(unlink_now = false)
# TODO: Tempfile should deal with this delay on Windows?
# NOTE: re-opening with O_TEMPORARY does not work.
path = self.path
ret = super
if unlink_now
begin
File.unlink(path)
rescue Errno::ENOENT
rescue Errno::EACCES
sleep(2)
retry
end
end
ret
end
begin
assert_separately(["-", bug8431, t.path], <<-"end;", timeout: 30)
msg = ARGV.shift
f = open(ARGV[0], "wb")
f.seek(0xffff_ffff)
begin
# this will consume very long time or fail by ENOSPC on a
# filesystem which sparse file is not supported
f.write('1')
pos = f.tell
rescue Errno::ENOSPC
skip "non-sparse file system"
rescue SystemCallError
else
assert_equal(0x1_0000_0000, pos, msg)
end
end;
rescue Timeout::Error
skip "Timeout because of slow file writing"
end
}
end if /mswin|mingw/ =~ RUBY_PLATFORM
def test_read_unlocktmp_ensure
bug8669 = '[ruby-core:56121] [Bug #8669]'
str = ""
IO.pipe {|r,|
t = Thread.new {
assert_raise(RuntimeError) {
r.read(nil, str)
}
}
sleep 0.1 until t.stop?
t.raise
sleep 0.1 while t.alive?
assert_nothing_raised(RuntimeError, bug8669) { str.clear }
t.join
}
end if /cygwin/ !~ RUBY_PLATFORM
def test_readpartial_unlocktmp_ensure
bug8669 = '[ruby-core:56121] [Bug #8669]'
str = ""
IO.pipe {|r, w|
t = Thread.new {
assert_raise(RuntimeError) {
r.readpartial(4096, str)
}
}
sleep 0.1 until t.stop?
t.raise
sleep 0.1 while t.alive?
assert_nothing_raised(RuntimeError, bug8669) { str.clear }
t.join
}
end if /cygwin/ !~ RUBY_PLATFORM
def test_readpartial_bad_args
IO.pipe do |r, w|
w.write '.'
buf = String.new
assert_raise(ArgumentError) { r.readpartial(1, buf, exception: false) }
assert_raise(TypeError) { r.readpartial(1, exception: false) }
assert_equal [[r],[],[]], IO.select([r], nil, nil, 1)
assert_equal '.', r.readpartial(1)
end
end
def test_sysread_unlocktmp_ensure
bug8669 = '[ruby-core:56121] [Bug #8669]'
str = ""
IO.pipe {|r, w|
t = Thread.new {
assert_raise(RuntimeError) {
r.sysread(4096, str)
}
}
sleep 0.1 until t.stop?
t.raise
sleep 0.1 while t.alive?
assert_nothing_raised(RuntimeError, bug8669) { str.clear }
t.join
}
end if /cygwin/ !~ RUBY_PLATFORM
def test_exception_at_close
bug10153 = '[ruby-core:64463] [Bug #10153] exception in close at the end of block'
assert_raise(Errno::EBADF, bug10153) do
IO.pipe do |r, w|
assert_nothing_raised {IO.open(w.fileno) {}}
end
end
end
def test_close_twice
open(__FILE__) {|f|
assert_equal(nil, f.close)
assert_equal(nil, f.close)
}
end
def test_close_uninitialized
io = IO.allocate
assert_raise(IOError) { io.close }
end
def test_open_fifo_does_not_block_other_threads
mkcdtmpdir {
File.mkfifo("fifo")
assert_separately([], <<-'EOS')
t1 = Thread.new {
open("fifo", "r") {|r|
r.read
}
}
t2 = Thread.new {
open("fifo", "w") {|w|
w.write "foo"
}
}
t1_value, _ = assert_join_threads([t1, t2])
assert_equal("foo", t1_value)
EOS
}
end if /mswin|mingw|bccwin|cygwin/ !~ RUBY_PLATFORM
def test_open_flag
make_tempfile do |t|
assert_raise(Errno::EEXIST){ open(t.path, File::WRONLY|File::CREAT, flags: File::EXCL){} }
assert_raise(Errno::EEXIST){ open(t.path, 'w', flags: File::EXCL){} }
assert_raise(Errno::EEXIST){ open(t.path, mode: 'w', flags: File::EXCL){} }
end
end
def test_open_flag_binary
make_tempfile do |t|
open(t.path, File::RDONLY, flags: File::BINARY) do |f|
assert_equal true, f.binmode?
end
open(t.path, 'r', flags: File::BINARY) do |f|
assert_equal true, f.binmode?
end
open(t.path, mode: 'r', flags: File::BINARY) do |f|
assert_equal true, f.binmode?
end
end
end if File::BINARY != 0
def test_exclusive_mode
make_tempfile do |t|
assert_raise(Errno::EEXIST){ open(t.path, 'wx'){} }
assert_raise(ArgumentError){ open(t.path, 'rx'){} }
assert_raise(ArgumentError){ open(t.path, 'ax'){} }
end
end
def test_race_gets_and_close
opt = { signal: :ABRT, timeout: 200 }
assert_separately([], "#{<<-"begin;"}\n#{<<-"end;"}", **opt)
bug13076 = '[ruby-core:78845] [Bug #13076]'
begin;
10.times do |i|
a = []
t = []
10.times do
r,w = IO.pipe
a << [r,w]
t << Thread.new do
begin
while r.gets
end
rescue IOError
end
end
end
a.each do |r,w|
w.puts "hoge"
w.close
r.close
end
t.each do |th|
assert_same(th, th.join(2), bug13076)
end
end
end;
end
def test_race_closed_stream
assert_separately([], "#{<<-"begin;"}\n#{<<-"end;"}")
begin;
bug13158 = '[ruby-core:79262] [Bug #13158]'
closed = nil
q = Queue.new
IO.pipe do |r, w|
thread = Thread.new do
begin
q << true
assert_raise_with_message(IOError, /stream closed/) do
while r.gets
end
end
ensure
closed = r.closed?
end
end
q.pop
sleep 0.01 until thread.stop?
r.close
thread.join
assert_equal(true, closed, bug13158 + ': stream should be closed')
end
end;
end
if RUBY_ENGINE == "ruby" # implementation details
def test_foreach_rs_conversion
make_tempfile {|t|
a = []
rs = Struct.new(:count).new(0)
def rs.to_str; self.count += 1; "\n"; end
IO.foreach(t.path, rs) {|x| a << x }
assert_equal(["foo\n", "bar\n", "baz\n"], a)
assert_equal(1, rs.count)
}
end
def test_foreach_rs_invalid
make_tempfile {|t|
rs = Object.new
def rs.to_str; raise "invalid rs"; end
assert_raise(RuntimeError) do
IO.foreach(t.path, rs, mode:"w") {}
end
assert_equal(["foo\n", "bar\n", "baz\n"], IO.foreach(t.path).to_a)
}
end
def test_foreach_limit_conversion
make_tempfile {|t|
a = []
lim = Struct.new(:count).new(0)
def lim.to_int; self.count += 1; -1; end
IO.foreach(t.path, lim) {|x| a << x }
assert_equal(["foo\n", "bar\n", "baz\n"], a)
assert_equal(1, lim.count)
}
end
def test_foreach_limit_invalid
make_tempfile {|t|
lim = Object.new
def lim.to_int; raise "invalid limit"; end
assert_raise(RuntimeError) do
IO.foreach(t.path, lim, mode:"w") {}
end
assert_equal(["foo\n", "bar\n", "baz\n"], IO.foreach(t.path).to_a)
}
end
def test_readlines_rs_invalid
make_tempfile {|t|
rs = Object.new
def rs.to_str; raise "invalid rs"; end
assert_raise(RuntimeError) do
IO.readlines(t.path, rs, mode:"w")
end
assert_equal(["foo\n", "bar\n", "baz\n"], IO.readlines(t.path))
}
end
def test_readlines_limit_invalid
make_tempfile {|t|
lim = Object.new
def lim.to_int; raise "invalid limit"; end
assert_raise(RuntimeError) do
IO.readlines(t.path, lim, mode:"w")
end
assert_equal(["foo\n", "bar\n", "baz\n"], IO.readlines(t.path))
}
end
def test_closed_stream_in_rescue
assert_separately([], "#{<<-"begin;"}\n#{<<~"end;"}")
begin;
10.times do
assert_nothing_raised(RuntimeError, /frozen IOError/) do
IO.pipe do |r, w|
th = Thread.start {r.close}
r.gets
rescue IOError
# swallow pending exceptions
begin
sleep 0.001
rescue IOError
retry
end
ensure
th.kill.join
end
end
end
end;
end
def test_write_no_garbage
skip "multiple threads already active" if Thread.list.size > 1
res = {}
ObjectSpace.count_objects(res) # creates strings on first call
[ 'foo'.b, '*' * 24 ].each do |buf|
with_pipe do |r, w|
GC.disable
begin
before = ObjectSpace.count_objects(res)[:T_STRING]
n = w.write(buf)
s = w.syswrite(buf)
after = ObjectSpace.count_objects(res)[:T_STRING]
ensure
GC.enable
end
assert_equal before, after,
"no strings left over after write [ruby-core:78898] [Bug #13085]: #{ before } strings before write -> #{ after } strings after write"
assert_not_predicate buf, :frozen?, 'no inadvertent freeze'
assert_equal buf.bytesize, n, 'IO#write wrote expected size'
assert_equal s, n, 'IO#syswrite wrote expected size'
end
end
end
end
def test_pread
make_tempfile { |t|
open(t.path) do |f|
assert_equal("bar", f.pread(3, 4))
buf = "asdf"
assert_equal("bar", f.pread(3, 4, buf))
assert_equal("bar", buf)
assert_raise(EOFError) { f.pread(1, f.size) }
end
}
end if IO.method_defined?(:pread)
def test_pwrite
make_tempfile { |t|
open(t.path, IO::RDWR) do |f|
assert_equal(3, f.pwrite("ooo", 4))
assert_equal("ooo", f.pread(3, 4))
end
}
end if IO.method_defined?(:pread) and IO.method_defined?(:pwrite)
def test_select_exceptfds
if Etc.uname[:sysname] == 'SunOS'
str = 'h'.freeze #(???) Only 1 byte with MSG_OOB on Solaris
else
str = 'hello'.freeze
end
TCPServer.open('localhost', 0) do |svr|
con = TCPSocket.new('localhost', svr.addr[1])
acc = svr.accept
assert_equal str.length, con.send(str, Socket::MSG_OOB)
set = IO.select(nil, nil, [acc], 30)
assert_equal([[], [], [acc]], set, 'IO#select exceptions array OK')
acc.close
con.close
end
end if Socket.const_defined?(:MSG_OOB)
def test_recycled_fd_close
dot = -'.'
IO.pipe do |sig_rd, sig_wr|
noex = Thread.new do # everything right and never see exceptions :)
until sig_rd.wait_readable(0)
IO.pipe do |r, w|
th = Thread.new { r.read(1) }
w.write(dot)
assert_same th, th.join(15), '"good" reader timeout'
assert_equal(dot, th.value)
end
end
sig_rd.read(4)
end
1000.times do |i| # stupid things and make exceptions:
IO.pipe do |r,w|
th = Thread.new do
begin
while r.gets
end
rescue IOError => e
e
end
end
Thread.pass until th.stop?
r.close
assert_same th, th.join(30), '"bad" reader timeout'
assert_match(/stream closed/, th.value.message)
end
end
sig_wr.write 'done'
assert_same noex, noex.join(20), '"good" writer timeout'
assert_equal 'done', noex.value ,'r63216'
end
end
def test_select_leak
# avoid malloc arena explosion from glibc and jemalloc:
env = {
'MALLOC_ARENA_MAX' => '1',
'MALLOC_ARENA_TEST' => '1',
'MALLOC_CONF' => 'narenas:1',
}
assert_no_memory_leak([env], <<-"end;", <<-"end;", rss: true, timeout: 60)
r, w = IO.pipe
rset = [r]
wset = [w]
exc = StandardError.new(-"select used to leak on exception")
exc.set_backtrace([])
Thread.new { IO.select(rset, wset, nil, 0) }.join
end;
th = Thread.new do
Thread.handle_interrupt(StandardError => :on_blocking) do
begin
IO.select(rset, wset)
rescue
retry
end while true
end
end
50_000.times do
Thread.pass until th.stop?
th.raise(exc)
end
th.kill
th.join
end;
end
def test_external_encoding_index
IO.pipe {|r, w|
assert_raise(TypeError) {Marshal.dump(r)}
assert_raise(TypeError) {Marshal.dump(w)}
}
end
end
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