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c1903a9f17
pipe() uses threads and its reader thread may work before the writer writes "foob". On such case, the reader will raise error. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35396 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2344 lines
54 KiB
Ruby
2344 lines
54 KiB
Ruby
require 'test/unit'
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require 'tmpdir'
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require "fcntl"
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require 'io/nonblock'
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require 'socket'
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require 'stringio'
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require 'timeout'
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require 'tempfile'
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require 'weakref'
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require_relative 'envutil'
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class TestIO < Test::Unit::TestCase
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def have_close_on_exec?
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begin
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$stdin.close_on_exec?
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true
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rescue NotImplementedError
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false
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end
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end
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def have_nonblock?
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IO.method_defined?("nonblock=")
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end
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def pipe(wp, rp)
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re, we = nil, nil
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r, w = IO.pipe
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rt = Thread.new do
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begin
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rp.call(r)
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rescue Exception
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r.close
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re = $!
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end
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end
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wt = Thread.new do
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begin
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wp.call(w)
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rescue Exception
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w.close
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we = $!
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end
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end
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flunk("timeout") unless wt.join(10) && rt.join(10)
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ensure
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w.close unless !w || w.closed?
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r.close unless !r || r.closed?
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(wt.kill; wt.join) if wt
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(rt.kill; rt.join) if rt
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raise we if we
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raise re if re
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end
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def with_pipe
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r, w = IO.pipe
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begin
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yield r, w
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ensure
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r.close unless r.closed?
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w.close unless w.closed?
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end
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end
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def with_read_pipe(content)
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pipe(proc do |w|
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w << content
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w.close
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end, proc do |r|
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yield r
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end)
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end
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def mkcdtmpdir
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Dir.mktmpdir {|d|
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Dir.chdir(d) {
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yield
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}
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}
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end
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def trapping_usr1
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@usr1_rcvd = 0
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trap(:USR1) { @usr1_rcvd += 1 }
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yield
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ensure
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trap(:USR1, "DEFAULT")
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end
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def test_pipe
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r, w = IO.pipe
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assert_instance_of(IO, r)
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assert_instance_of(IO, w)
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[
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Thread.start{
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w.print "abc"
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w.close
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},
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Thread.start{
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assert_equal("abc", r.read)
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r.close
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}
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].each{|thr| thr.join}
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end
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def test_pipe_block
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x = nil
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ret = IO.pipe {|r, w|
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x = [r,w]
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assert_instance_of(IO, r)
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assert_instance_of(IO, w)
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[
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Thread.start do
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w.print "abc"
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w.close
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end,
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Thread.start do
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assert_equal("abc", r.read)
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end
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].each{|thr| thr.join}
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assert(!r.closed?)
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assert(w.closed?)
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:foooo
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}
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assert_equal(:foooo, ret)
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assert(x[0].closed?)
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assert(x[1].closed?)
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end
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def test_pipe_block_close
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4.times {|i|
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x = nil
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IO.pipe {|r, w|
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x = [r,w]
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r.close if (i&1) == 0
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w.close if (i&2) == 0
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}
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assert(x[0].closed?)
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assert(x[1].closed?)
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}
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end
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def test_gets_rs
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# default_rs
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pipe(proc do |w|
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w.print "aaa\nbbb\n"
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w.close
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end, proc do |r|
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assert_equal "aaa\n", r.gets
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assert_equal "bbb\n", r.gets
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assert_nil r.gets
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r.close
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end)
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# nil
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pipe(proc do |w|
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w.print "a\n\nb\n\n"
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w.close
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end, proc do |r|
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assert_equal "a\n\nb\n\n", r.gets(nil)
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assert_nil r.gets("")
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r.close
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end)
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# "\377"
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pipe(proc do |w|
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w.print "\377xyz"
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w.close
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end, proc do |r|
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r.binmode
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assert_equal("\377", r.gets("\377"), "[ruby-dev:24460]")
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r.close
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end)
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# ""
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pipe(proc do |w|
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w.print "a\n\nb\n\n"
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w.close
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end, proc do |r|
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assert_equal "a\n\n", r.gets(""), "[ruby-core:03771]"
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assert_equal "b\n\n", r.gets("")
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assert_nil r.gets("")
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r.close
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end)
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end
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def test_gets_limit_extra_arg
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pipe(proc do |w|
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w << "0123456789\n0123456789"
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w.close
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end, proc do |r|
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assert_equal("0123456789\n0", r.gets(nil, 12))
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assert_raise(TypeError) { r.gets(3,nil) }
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end)
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end
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# This test cause SEGV.
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def test_ungetc
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pipe(proc do |w|
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w.close
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end, proc do |r|
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s = "a" * 1000
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assert_raise(IOError, "[ruby-dev:31650]") { 200.times { r.ungetc s } }
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end)
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end
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def test_ungetbyte
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t = make_tempfile
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t.open
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t.binmode
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t.ungetbyte(0x41)
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assert_equal(-1, t.pos)
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assert_equal(0x41, t.getbyte)
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t.rewind
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assert_equal(0, t.pos)
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t.ungetbyte("qux")
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assert_equal(-3, t.pos)
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assert_equal("quxfoo\n", t.gets)
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assert_equal(4, t.pos)
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t.set_encoding("utf-8")
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t.ungetbyte(0x89)
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t.ungetbyte(0x8e)
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t.ungetbyte("\xe7")
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t.ungetbyte("\xe7\xb4\x85")
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assert_equal(-2, t.pos)
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assert_equal("\u7d05\u7389bar\n", t.gets)
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end
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def test_each_byte
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pipe(proc do |w|
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w << "abc def"
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w.close
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end, proc do |r|
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r.each_byte {|byte| break if byte == 32 }
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assert_equal("def", r.read, "[ruby-dev:31659]")
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end)
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end
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def test_each_byte_with_seek
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t = make_tempfile
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bug5119 = '[ruby-core:38609]'
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i = 0
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open(t.path) do |f|
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f.each_byte {i = f.pos}
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end
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assert_equal(12, i, bug5119)
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end
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def test_each_codepoint
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t = make_tempfile
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bug2959 = '[ruby-core:28650]'
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a = ""
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File.open(t, 'rt') {|f|
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f.each_codepoint {|c| a << c}
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}
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assert_equal("foo\nbar\nbaz\n", a, bug2959)
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end
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def test_rubydev33072
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t = make_tempfile
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path = t.path
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t.close!
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assert_raise(Errno::ENOENT, "[ruby-dev:33072]") do
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File.read(path, nil, nil, {})
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end
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end
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def test_copy_stream
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mkcdtmpdir {
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content = "foobar"
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File.open("src", "w") {|f| f << content }
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ret = IO.copy_stream("src", "dst")
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assert_equal(content.bytesize, ret)
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assert_equal(content, File.read("dst"))
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# overwrite by smaller file.
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content = "baz"
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File.open("src", "w") {|f| f << content }
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ret = IO.copy_stream("src", "dst")
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assert_equal(content.bytesize, ret)
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assert_equal(content, File.read("dst"))
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ret = IO.copy_stream("src", "dst", 2)
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assert_equal(2, ret)
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assert_equal(content[0,2], File.read("dst"))
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ret = IO.copy_stream("src", "dst", 0)
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assert_equal(0, ret)
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assert_equal("", File.read("dst"))
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ret = IO.copy_stream("src", "dst", nil, 1)
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assert_equal(content.bytesize-1, ret)
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assert_equal(content[1..-1], File.read("dst"))
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assert_raise(Errno::ENOENT) {
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IO.copy_stream("nodir/foo", "dst")
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}
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assert_raise(Errno::ENOENT) {
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IO.copy_stream("src", "nodir/bar")
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}
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pipe(proc do |w|
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ret = IO.copy_stream("src", w)
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assert_equal(content.bytesize, ret)
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w.close
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end, proc do |r|
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assert_equal(content, r.read)
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end)
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with_pipe {|r, w|
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w.close
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assert_raise(IOError) { IO.copy_stream("src", w) }
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}
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pipe_content = "abc"
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with_read_pipe(pipe_content) {|r|
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ret = IO.copy_stream(r, "dst")
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assert_equal(pipe_content.bytesize, ret)
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assert_equal(pipe_content, File.read("dst"))
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}
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with_read_pipe("abc") {|r1|
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assert_equal("a", r1.getc)
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pipe(proc do |w2|
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w2.sync = false
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w2 << "def"
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ret = IO.copy_stream(r1, w2)
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assert_equal(2, ret)
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w2.close
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end, proc do |r2|
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assert_equal("defbc", r2.read)
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end)
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}
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with_read_pipe("abc") {|r1|
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assert_equal("a", r1.getc)
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pipe(proc do |w2|
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w2.sync = false
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w2 << "def"
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ret = IO.copy_stream(r1, w2, 1)
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assert_equal(1, ret)
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w2.close
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end, proc do |r2|
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assert_equal("defb", r2.read)
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end)
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}
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with_read_pipe("abc") {|r1|
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assert_equal("a", r1.getc)
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pipe(proc do |w2|
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ret = IO.copy_stream(r1, w2)
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assert_equal(2, ret)
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w2.close
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end, proc do |r2|
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assert_equal("bc", r2.read)
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end)
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}
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with_read_pipe("abc") {|r1|
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assert_equal("a", r1.getc)
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pipe(proc do |w2|
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ret = IO.copy_stream(r1, w2, 1)
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assert_equal(1, ret)
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w2.close
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end, proc do |r2|
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assert_equal("b", r2.read)
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end)
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}
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with_read_pipe("abc") {|r1|
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assert_equal("a", r1.getc)
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pipe(proc do |w2|
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ret = IO.copy_stream(r1, w2, 0)
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assert_equal(0, ret)
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w2.close
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end, proc do |r2|
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assert_equal("", r2.read)
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end)
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}
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pipe(proc do |w1|
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w1 << "abc"
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w1 << "def"
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w1.close
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end, proc do |r1|
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assert_equal("a", r1.getc)
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pipe(proc do |w2|
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ret = IO.copy_stream(r1, w2)
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assert_equal(5, ret)
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w2.close
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end, proc do |r2|
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assert_equal("bcdef", r2.read)
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end)
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end)
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pipe(proc do |w|
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ret = IO.copy_stream("src", w, 1, 1)
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assert_equal(1, ret)
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w.close
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end, proc do |r|
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assert_equal(content[1,1], r.read)
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end)
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if have_nonblock?
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with_read_pipe("abc") {|r1|
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assert_equal("a", r1.getc)
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with_pipe {|r2, w2|
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begin
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w2.nonblock = true
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rescue Errno::EBADF
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skip "nonblocking IO for pipe is not implemented"
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break
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end
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s = w2.syswrite("a" * 100000)
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t = Thread.new { sleep 0.1; r2.read }
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ret = IO.copy_stream(r1, w2)
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w2.close
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assert_equal(2, ret)
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assert_equal("a" * s + "bc", t.value)
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}
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}
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end
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bigcontent = "abc" * 123456
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File.open("bigsrc", "w") {|f| f << bigcontent }
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ret = IO.copy_stream("bigsrc", "bigdst")
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assert_equal(bigcontent.bytesize, ret)
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assert_equal(bigcontent, File.read("bigdst"))
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File.unlink("bigdst")
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ret = IO.copy_stream("bigsrc", "bigdst", nil, 100)
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assert_equal(bigcontent.bytesize-100, ret)
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assert_equal(bigcontent[100..-1], File.read("bigdst"))
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File.unlink("bigdst")
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ret = IO.copy_stream("bigsrc", "bigdst", 30000, 100)
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assert_equal(30000, ret)
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assert_equal(bigcontent[100, 30000], File.read("bigdst"))
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File.open("bigsrc") {|f|
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begin
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assert_equal(0, f.pos)
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ret = IO.copy_stream(f, "bigdst", nil, 10)
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assert_equal(bigcontent.bytesize-10, ret)
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assert_equal(bigcontent[10..-1], File.read("bigdst"))
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assert_equal(0, f.pos)
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ret = IO.copy_stream(f, "bigdst", 40, 30)
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assert_equal(40, ret)
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assert_equal(bigcontent[30, 40], File.read("bigdst"))
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assert_equal(0, f.pos)
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rescue NotImplementedError
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#skip "pread(2) is not implemtented."
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end
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}
|
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|
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with_pipe {|r, w|
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w.close
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assert_raise(IOError) { IO.copy_stream("src", w) }
|
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}
|
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|
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megacontent = "abc" * 1234567
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File.open("megasrc", "w") {|f| f << megacontent }
|
|
|
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if have_nonblock?
|
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with_pipe {|r1, w1|
|
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with_pipe {|r2, w2|
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begin
|
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r1.nonblock = true
|
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w2.nonblock = true
|
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rescue Errno::EBADF
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skip "nonblocking IO for pipe is not implemented"
|
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end
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t1 = Thread.new { w1 << megacontent; w1.close }
|
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t2 = Thread.new { r2.read }
|
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ret = IO.copy_stream(r1, w2)
|
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assert_equal(megacontent.bytesize, ret)
|
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w2.close
|
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t1.join
|
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assert_equal(megacontent, t2.value)
|
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}
|
|
}
|
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end
|
|
|
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with_pipe {|r1, w1|
|
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with_pipe {|r2, w2|
|
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t1 = Thread.new { w1 << megacontent; w1.close }
|
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t2 = Thread.new { r2.read }
|
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ret = IO.copy_stream(r1, w2)
|
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assert_equal(megacontent.bytesize, ret)
|
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w2.close
|
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t1.join
|
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assert_equal(megacontent, t2.value)
|
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}
|
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}
|
|
|
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with_pipe {|r, w|
|
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t = Thread.new { r.read }
|
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ret = IO.copy_stream("megasrc", w)
|
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assert_equal(megacontent.bytesize, ret)
|
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w.close
|
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assert_equal(megacontent, t.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_socket
|
|
return unless defined? UNIXSocket
|
|
mkcdtmpdir {
|
|
|
|
content = "foobar"
|
|
File.open("src", "w") {|f| f << content }
|
|
|
|
with_socketpair {|s1, s2|
|
|
ret = IO.copy_stream("src", s1)
|
|
assert_equal(content.bytesize, ret)
|
|
s1.close
|
|
assert_equal(content, s2.read)
|
|
}
|
|
|
|
bigcontent = "abc" * 123456
|
|
File.open("bigsrc", "w") {|f| f << bigcontent }
|
|
|
|
with_socketpair {|s1, s2|
|
|
t = Thread.new { s2.read }
|
|
ret = IO.copy_stream("bigsrc", s1)
|
|
assert_equal(bigcontent.bytesize, ret)
|
|
s1.close
|
|
result = t.value
|
|
assert_equal(bigcontent, result)
|
|
}
|
|
|
|
with_socketpair {|s1, s2|
|
|
t = Thread.new { s2.read }
|
|
ret = IO.copy_stream("bigsrc", s1, 10000)
|
|
assert_equal(10000, ret)
|
|
s1.close
|
|
result = t.value
|
|
assert_equal(bigcontent[0,10000], result)
|
|
}
|
|
|
|
File.open("bigsrc") {|f|
|
|
assert_equal(0, f.pos)
|
|
with_socketpair {|s1, s2|
|
|
t = Thread.new { s2.read }
|
|
ret = IO.copy_stream(f, s1, nil, 100)
|
|
assert_equal(bigcontent.bytesize-100, ret)
|
|
assert_equal(0, f.pos)
|
|
s1.close
|
|
result = t.value
|
|
assert_equal(bigcontent[100..-1], result)
|
|
}
|
|
}
|
|
|
|
File.open("bigsrc") {|f|
|
|
assert_equal(bigcontent[0,100], f.read(100))
|
|
assert_equal(100, f.pos)
|
|
with_socketpair {|s1, s2|
|
|
t = Thread.new { s2.read }
|
|
ret = IO.copy_stream(f, s1)
|
|
assert_equal(bigcontent.bytesize-100, ret)
|
|
assert_equal(bigcontent.length, f.pos)
|
|
s1.close
|
|
result = t.value
|
|
assert_equal(bigcontent[100..-1], result)
|
|
}
|
|
}
|
|
|
|
megacontent = "abc" * 1234567
|
|
File.open("megasrc", "w") {|f| f << megacontent }
|
|
|
|
if have_nonblock?
|
|
with_socketpair {|s1, s2|
|
|
begin
|
|
s1.nonblock = true
|
|
rescue Errno::EBADF
|
|
skip "nonblocking IO for pipe is not implemented"
|
|
end
|
|
t = Thread.new { s2.read }
|
|
ret = IO.copy_stream("megasrc", s1)
|
|
assert_equal(megacontent.bytesize, ret)
|
|
s1.close
|
|
result = t.value
|
|
assert_equal(megacontent, result)
|
|
}
|
|
with_socketpair {|s1, s2|
|
|
begin
|
|
s1.nonblock = true
|
|
rescue Errno::EBADF
|
|
skip "nonblocking IO for pipe is not implemented"
|
|
end
|
|
trapping_usr1 do
|
|
nr = 30
|
|
begin
|
|
pid = fork do
|
|
s1.close
|
|
IO.select([s2])
|
|
Process.kill(:USR1, Process.ppid)
|
|
s2.read
|
|
end
|
|
s2.close
|
|
nr.times do
|
|
assert_equal megacontent.bytesize, IO.copy_stream("megasrc", s1)
|
|
end
|
|
assert_equal(1, @usr1_rcvd)
|
|
ensure
|
|
s1.close
|
|
_, status = Process.waitpid2(pid) if pid
|
|
end
|
|
assert status.success?, status.inspect
|
|
end
|
|
}
|
|
end
|
|
}
|
|
end
|
|
|
|
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
|
|
|
|
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)
|
|
t = Thread.new {
|
|
w.close
|
|
}
|
|
assert_equal("zzabcd", r.read)
|
|
t.join
|
|
}
|
|
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 safe_4
|
|
t = Thread.new do
|
|
$SAFE = 4
|
|
yield
|
|
end
|
|
unless t.join(10)
|
|
t.kill
|
|
flunk("timeout in safe_4")
|
|
end
|
|
end
|
|
|
|
def ruby(*args)
|
|
args = ['-e', '$>.write($<.read)'] if args.empty?
|
|
ruby = EnvUtil.rubybin
|
|
f = IO.popen([ruby] + args, 'r+')
|
|
yield(f)
|
|
ensure
|
|
f.close unless !f || f.closed?
|
|
end
|
|
|
|
def test_try_convert
|
|
assert_equal(STDOUT, IO.try_convert(STDOUT))
|
|
assert_equal(nil, IO.try_convert("STDOUT"))
|
|
end
|
|
|
|
def test_ungetc2
|
|
f = false
|
|
pipe(proc do |w|
|
|
Thread.pass until f
|
|
w.write("1" * 10000)
|
|
w.close
|
|
end, proc do |r|
|
|
r.ungetc("0" * 10000)
|
|
f = true
|
|
assert_equal("0" * 10000 + "1" * 10000, r.read)
|
|
end)
|
|
end
|
|
|
|
def test_write_non_writable
|
|
with_pipe do |r, w|
|
|
assert_raise(IOError) do
|
|
r.write "foobarbaz"
|
|
end
|
|
end
|
|
end
|
|
|
|
def test_dup
|
|
ruby do |f|
|
|
f2 = f.dup
|
|
f.puts "foo"
|
|
f2.puts "bar"
|
|
f.close_write
|
|
f2.close_write
|
|
assert_equal("foo\nbar\n", f.read)
|
|
assert_equal("", f2.read)
|
|
end
|
|
end
|
|
|
|
def test_dup_many
|
|
ruby('-e', <<-'End') {|f|
|
|
ok = 0
|
|
a = []
|
|
begin
|
|
loop {a << IO.pipe}
|
|
rescue Errno::EMFILE, Errno::ENFILE, Errno::ENOMEM
|
|
ok += 1
|
|
end
|
|
print "no" if ok != 1
|
|
begin
|
|
loop {a << [a[-1][0].dup, a[-1][1].dup]}
|
|
rescue Errno::EMFILE, Errno::ENFILE, Errno::ENOMEM
|
|
ok += 1
|
|
end
|
|
print "no" if ok != 2
|
|
print "ok"
|
|
End
|
|
assert_equal("ok", f.read)
|
|
}
|
|
end
|
|
|
|
def test_inspect
|
|
with_pipe do |r, w|
|
|
assert_match(/^#<IO:fd \d+>$/, r.inspect)
|
|
assert_raise(SecurityError) do
|
|
safe_4 { r.inspect }
|
|
end
|
|
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
|
|
|
|
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
|
|
end
|
|
|
|
def test_write_nonblock
|
|
skip "IO#write_nonblock is not supported on file/pipe." if /mswin|bccwin|mingw/ =~ RUBY_PLATFORM
|
|
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
|
|
skip "IO#read_nonblock is not supported on file/pipe." if /mswin|bccwin|mingw/ =~ RUBY_PLATFORM
|
|
with_pipe {|r, w|
|
|
w.write "foob"
|
|
w.close
|
|
r.read_nonblock(5, s = "01234567")
|
|
assert_equal("foob", s)
|
|
}
|
|
end
|
|
|
|
def test_read_nonblock_error
|
|
return if !have_nonblock?
|
|
skip "IO#read_nonblock is not supported on file/pipe." if /mswin|bccwin|mingw/ =~ RUBY_PLATFORM
|
|
with_pipe {|r, w|
|
|
begin
|
|
r.read_nonblock 4096
|
|
rescue Errno::EWOULDBLOCK
|
|
assert_kind_of(IO::WaitReadable, $!)
|
|
end
|
|
}
|
|
end
|
|
|
|
def test_write_nonblock_error
|
|
return if !have_nonblock?
|
|
skip "IO#write_nonblock is not supported on file/pipe." if /mswin|bccwin|mingw/ =~ RUBY_PLATFORM
|
|
with_pipe {|r, w|
|
|
begin
|
|
loop {
|
|
w.write_nonblock "a"*100000
|
|
}
|
|
rescue Errno::EWOULDBLOCK
|
|
assert_kind_of(IO::WaitWritable, $!)
|
|
end
|
|
}
|
|
end
|
|
|
|
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 }
|
|
end
|
|
end
|
|
|
|
def test_close_read_pipe
|
|
with_pipe do |r, w|
|
|
r.close_read
|
|
assert_raise(Errno::EPIPE) { w.write "foobarbaz" }
|
|
end
|
|
end
|
|
|
|
def test_close_read_security_error
|
|
with_pipe do |r, w|
|
|
assert_raise(SecurityError) do
|
|
safe_4 { r.close_read }
|
|
end
|
|
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)
|
|
end
|
|
end
|
|
|
|
def test_close_write_security_error
|
|
with_pipe do |r, w|
|
|
assert_raise(SecurityError) do
|
|
safe_4 { r.close_write }
|
|
end
|
|
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_pid
|
|
r, w = IO.pipe
|
|
assert_equal(nil, r.pid)
|
|
assert_equal(nil, w.pid)
|
|
|
|
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)
|
|
pipe.close
|
|
assert_raise(IOError) { pipe.pid }
|
|
end
|
|
|
|
def make_tempfile
|
|
t = Tempfile.new("test_io")
|
|
t.binmode
|
|
t.puts "foo"
|
|
t.puts "bar"
|
|
t.puts "baz"
|
|
t.close
|
|
t
|
|
end
|
|
|
|
def test_set_lineno
|
|
t = make_tempfile
|
|
|
|
ruby("-e", <<-SRC, t.path) do |f|
|
|
open(ARGV[0]) do |f|
|
|
p $.
|
|
f.gets; p $.
|
|
f.gets; p $.
|
|
f.lineno = 1000; p $.
|
|
f.gets; p $.
|
|
f.gets; p $.
|
|
f.rewind; p $.
|
|
f.gets; p $.
|
|
f.gets; p $.
|
|
f.gets; p $.
|
|
f.gets; p $.
|
|
end
|
|
SRC
|
|
assert_equal("0,1,2,2,1001,1001,1001,1,2,3,3", f.read.chomp.gsub("\n", ","))
|
|
end
|
|
|
|
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_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
|
|
pipe(proc do |w|
|
|
w.puts "foo"
|
|
w.puts "bar"
|
|
w.puts "baz"
|
|
w.close
|
|
end, proc do |r|
|
|
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)
|
|
end
|
|
|
|
def test_bytes
|
|
pipe(proc do |w|
|
|
w.binmode
|
|
w.puts "foo"
|
|
w.puts "bar"
|
|
w.puts "baz"
|
|
w.close
|
|
end, proc do |r|
|
|
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)
|
|
end
|
|
|
|
def test_chars
|
|
pipe(proc do |w|
|
|
w.puts "foo"
|
|
w.puts "bar"
|
|
w.puts "baz"
|
|
w.close
|
|
end, proc do |r|
|
|
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)
|
|
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
|
|
skip "IO\#close_on_exec is not implemented." unless have_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
|
|
|
|
def test_close_security_error
|
|
with_pipe do |r, w|
|
|
assert_raise(SecurityError) do
|
|
safe_4 { r.close }
|
|
end
|
|
end
|
|
end
|
|
|
|
def test_pos
|
|
t = make_tempfile
|
|
|
|
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]'
|
|
t = make_tempfile
|
|
["", "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 test_sysseek
|
|
t = make_tempfile
|
|
|
|
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
|
|
t = make_tempfile
|
|
|
|
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
|
|
t = make_tempfile
|
|
|
|
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
|
|
t = make_tempfile
|
|
|
|
assert_raise(ArgumentError) do
|
|
open(t.path, "z") { }
|
|
end
|
|
|
|
assert_raise(ArgumentError) do
|
|
open(t.path, "rr") { }
|
|
end
|
|
end
|
|
|
|
def test_sysopen
|
|
t = make_tempfile
|
|
|
|
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'
|
|
|
|
t = Tempfile.new(pre)
|
|
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
|
|
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
|
|
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
|
|
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
|
|
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_pipe
|
|
open("|" + EnvUtil.rubybin, "r+") do |f|
|
|
f.puts "puts 'foo'"
|
|
f.close_write
|
|
assert_equal("foo\n", f.read)
|
|
end
|
|
end
|
|
|
|
def test_reopen
|
|
t = make_tempfile
|
|
|
|
with_pipe do |r, w|
|
|
assert_raise(SecurityError) do
|
|
safe_4 { r.reopen(t.path) }
|
|
end
|
|
end
|
|
|
|
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_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)
|
|
|
|
t = make_tempfile
|
|
|
|
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]'
|
|
e = assert_raise(IOError, bug6054) {IO.foreach(t.path, mode:"w").next}
|
|
assert_match(/not opened for reading/, e.message, bug6054)
|
|
end
|
|
|
|
def test_s_readlines
|
|
t = make_tempfile
|
|
|
|
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
|
|
t = make_tempfile
|
|
|
|
assert_in_out_err(["-", t.path], "print while $<.gets", %w(foo bar baz), [])
|
|
end
|
|
|
|
def test_print_separators
|
|
$, = ':'
|
|
$\ = "\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_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) { $> = Object.new }
|
|
|
|
assert_in_out_err([], "$> = $stderr\nputs 'foo'", [], %w(foo))
|
|
end
|
|
|
|
def test_initialize
|
|
return unless defined?(Fcntl::F_GETFL)
|
|
|
|
t = make_tempfile
|
|
|
|
fd = IO.sysopen(t.path, "w")
|
|
assert_kind_of(Integer, fd)
|
|
%w[r r+ w+ a+].each do |mode|
|
|
assert_raise(Errno::EINVAL, "#{mode} [ruby-dev:38571]") {IO.new(fd, mode)}
|
|
end
|
|
f = IO.new(fd, "w")
|
|
f.write("FOO\n")
|
|
f.close
|
|
|
|
assert_equal("FOO\n", File.read(t.path))
|
|
end
|
|
|
|
def test_reinitialize
|
|
t = make_tempfile
|
|
f = open(t.path)
|
|
begin
|
|
assert_raise(RuntimeError) do
|
|
f.instance_eval { initialize }
|
|
end
|
|
ensure
|
|
f.close
|
|
end
|
|
end
|
|
|
|
def test_new_with_block
|
|
assert_in_out_err([], "r, w = IO.pipe; IO.new(r) {}", [], /^.+$/)
|
|
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
|
|
t = make_tempfile
|
|
|
|
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.
|
|
return if /freebsd|linux/ !~ RUBY_PLATFORM
|
|
return unless defined? File::NOFOLLOW
|
|
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
|
|
|
|
def test_tainted
|
|
t = make_tempfile
|
|
assert(File.read(t.path, 4).tainted?, '[ruby-dev:38826]')
|
|
assert(File.open(t.path) {|f| f.read(4)}.tainted?, '[ruby-dev:38826]')
|
|
end
|
|
|
|
def test_binmode_after_closed
|
|
t = make_tempfile
|
|
assert_raise(IOError) {t.binmode}
|
|
end
|
|
|
|
def test_threaded_flush
|
|
bug3585 = '[ruby-core:31348]'
|
|
src = %q{\
|
|
t = Thread.new { sleep 3 }
|
|
Thread.new {sleep 1; t.kill; p 'hi!'}
|
|
t.join
|
|
}.gsub(/^\s+/, '')
|
|
10.times.map do
|
|
Thread.start do
|
|
assert_in_out_err([], src) {|stdout, stderr|
|
|
assert_no_match(/hi.*hi/, stderr.join, bug3585)
|
|
}
|
|
end
|
|
end.each {|th| th.join}
|
|
end
|
|
|
|
def test_flush_in_finalizer1
|
|
require 'tempfile'
|
|
bug3910 = '[ruby-dev:42341]'
|
|
t = Tempfile.new("bug3910")
|
|
path = t.path
|
|
t.close
|
|
fds = []
|
|
assert_nothing_raised(TypeError, bug3910) do
|
|
500.times {
|
|
f = File.open(path, "w")
|
|
fds << f.fileno
|
|
f.print "hoge"
|
|
}
|
|
end
|
|
ensure
|
|
fds.each {|fd| IO.for_fd(fd).close rescue next}
|
|
end
|
|
|
|
def test_flush_in_finalizer2
|
|
require 'tempfile'
|
|
bug3910 = '[ruby-dev:42341]'
|
|
t = Tempfile.new("bug3910")
|
|
path = t.path
|
|
t.close
|
|
1.times do
|
|
io = open(path,"w")
|
|
io.print "hoge"
|
|
end
|
|
assert_nothing_raised(TypeError, bug3910) do
|
|
GC.start
|
|
end
|
|
end
|
|
|
|
def test_readlines_limit_0
|
|
bug4024 = '[ruby-dev:42538]'
|
|
t = make_tempfile
|
|
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]'
|
|
t = make_tempfile
|
|
open(t.path, "r") do |io|
|
|
assert_raise(ArgumentError, bug4024) do
|
|
io.each_line(0).next
|
|
end
|
|
end
|
|
end
|
|
|
|
def test_advise
|
|
tf = make_tempfile
|
|
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|
|
|
assert_equal(t.advise(adv, offset, len), nil)
|
|
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.advise(adv.to_sym, offset, len)
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
def test_invalid_advise
|
|
feature4204 = '[ruby-dev:42887]'
|
|
tf = make_tempfile
|
|
%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(NotImplementedError, feature4204) { t.advise(adv, offset, len) }
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
def test_fcntl_lock_linux
|
|
return if /x86_64-linux/ !~ RUBY_PLATFORM # A binary form of struct flock depend on platform
|
|
|
|
pad=0
|
|
Tempfile.open(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
|
|
|
|
def test_fcntl_lock_freebsd
|
|
return if /freebsd/ !~ RUBY_PLATFORM # A binary form of struct flock depend on platform
|
|
|
|
start = 12
|
|
len = 34
|
|
sysid = 0
|
|
Tempfile.open(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
|
|
|
|
def test_fcntl_dupfd
|
|
Tempfile.open(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
|
|
skip "cross thread close causes hung-up if pipe." if /mswin|bccwin|mingw/ =~ RUBY_PLATFORM
|
|
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
|
|
with_pipe do |r,w|
|
|
pid = fork do
|
|
$stdin.reopen(r)
|
|
r.close
|
|
read_thread = Thread.new do
|
|
begin
|
|
$stdin.read(1)
|
|
rescue => e
|
|
e
|
|
end
|
|
end
|
|
sleep(0.1) until read_thread.stop?
|
|
$stdin.close
|
|
read_thread.join
|
|
exit(IOError === read_thread.value)
|
|
end
|
|
assert Process.waitpid2(pid)[1].success?
|
|
end
|
|
rescue NotImplementedError
|
|
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))
|
|
end
|
|
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
|
|
file = Tempfile.new("test")
|
|
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
|
|
threads.each {|t| t.join}
|
|
assert(true, "[ruby-core:37197]")
|
|
ensure
|
|
read_file.close
|
|
write_file.close
|
|
file.close!
|
|
end
|
|
|
|
def test_warn
|
|
stderr = EnvUtil.verbose_warning do
|
|
warn "warning"
|
|
end
|
|
assert_equal("warning\n", stderr)
|
|
|
|
stderr = EnvUtil.verbose_warning do
|
|
warn
|
|
end
|
|
assert_equal("", stderr)
|
|
|
|
stderr = EnvUtil.verbose_warning do
|
|
warn "[Feature #5029]", "[ruby-core:38070]"
|
|
end
|
|
assert_equal("[Feature #5029]\n[ruby-core:38070]\n", stderr)
|
|
end
|
|
|
|
def test_cloexec
|
|
return unless defined? Fcntl::FD_CLOEXEC
|
|
open(__FILE__) {|f|
|
|
assert(f.close_on_exec?)
|
|
g = f.dup
|
|
begin
|
|
assert(g.close_on_exec?)
|
|
f.reopen(g)
|
|
assert(f.close_on_exec?)
|
|
ensure
|
|
g.close
|
|
end
|
|
g = IO.new(f.fcntl(Fcntl::F_DUPFD))
|
|
begin
|
|
assert(g.close_on_exec?)
|
|
ensure
|
|
g.close
|
|
end
|
|
}
|
|
IO.pipe {|r,w|
|
|
assert(r.close_on_exec?)
|
|
assert(w.close_on_exec?)
|
|
}
|
|
end
|
|
|
|
def test_ioctl_linux
|
|
return if /linux/ !~ RUBY_PLATFORM
|
|
|
|
assert_nothing_raised do
|
|
File.open('/dev/urandom'){|f1|
|
|
entropy_count = ""
|
|
# 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
|
|
|
|
def test_ioctl_linux2
|
|
return if /linux/ !~ RUBY_PLATFORM
|
|
return if /^i?86|^x86_64/ !~ RUBY_PLATFORM
|
|
return if File.exist?('/dev/tty')
|
|
|
|
File.open('/dev/tty') { |f|
|
|
tiocgwinsz=0x5413
|
|
winsize=""
|
|
assert_nothing_raised {
|
|
f.ioctl(tiocgwinsz, winsize)
|
|
}
|
|
}
|
|
end
|
|
|
|
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_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
|
|
skip "nonblocking mode is not supported for pipe on this platform" if /mswin|bccwin|mingw/ =~ RUBY_PLATFORM
|
|
bug6099 = '[ruby-dev:45297]'
|
|
buf = " " * 100
|
|
data = "a" * 100
|
|
with_pipe do |r,w|
|
|
r.fcntl(Fcntl::F_SETFL, Fcntl::O_NONBLOCK)
|
|
th = Thread.new {r.readpartial(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)
|
|
rescue RuntimeError # can't modify string; temporarily locked
|
|
end
|
|
end
|