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* io.c (copy_stream_fallback): read directly (bypassing readpartial)

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@16088 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
akr 2008-04-20 03:51:57 +00:00
parent 9579647fe1
commit a16e0c29db
3 changed files with 126 additions and 56 deletions
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47
test/ruby/test_io.rb
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@ -417,9 +417,50 @@ class TestIO < Test::Unit::TestCase
def test_copy_stream_strio_off
src = StringIO.new("abcd")
dst = StringIO.new
assert_raise(ArgumentError) {
IO.copy_stream(src, dst, 3, 1)
with_pipe {|r, w|
assert_raise(ArgumentError) {
IO.copy_stream(src, w, 3, 1)
}
}
end
def test_copy_stream_non_io
mkcdtmpdir {|d|
# filename to StringIO
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)
# StringIO to filename
src = StringIO.new("abcd")
ret = File.open("fooo", "w") {|dst|
IO.copy_stream(src, dst, 3)
}
assert_equal(3, ret)
assert_equal("abc", dst.string)
assert_equal(3, src.pos)
# 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)
}
# 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