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require 'test/unit'
require 'glib2'
$KCODE = "U"
class TestGIOChannel < Test::Unit::TestCase
TEST_FILE = "test-iochannel.txt"
TEST_SJIS_FILE = "test-iochannel-sjis.txt"
TEST_WRITE_FILE = "test-write-file.txt"
def test_open
io = GLib::IOChannel.open(TEST_FILE)
io.close
io = GLib::IOChannel.open(TEST_FILE, "r")
assert_equal("aaa\nbbb\nccc\nあああ\n", io.read)
io.close
io = GLib::IOChannel.open(TEST_WRITE_FILE, "w")
assert_raises(RuntimeError){
assert_equal("aaa\nbbb\nccc\nあああ\n", io.read)
}
io.close
GLib::IOChannel.open(TEST_FILE) {|io|
assert_equal("aaa\nbbb\nccc\nあああ\n", io.read)
}
GLib::IOChannel.open(TEST_FILE, "r") {|io|
assert_equal("aaa\nbbb\nccc\nあああ\n", io.read)
}
GLib::IOChannel.open(TEST_WRITE_FILE, "w") {|io|
assert_raises(RuntimeError){
assert_equal("aaa\nbbb\nccc\nあああ\n", io.read)
}
}
assert_raises(GLib::IOChannelError){
io.close
}
assert_raises(GLib::FileError){
GLib::IOChannel.new("foo")
}
end
def test_getc
io = GLib::IOChannel.new(TEST_FILE)
["a", "b", "c", "あ"].each do |v|
3.times do
assert_equal(v.unpack("U")[0], io.getc)
end
assert_equal("\n"[0], io.getc)
end
assert_equal(nil, io.getc)
io.close
end
def test_each_char
text = "aaa\nbbb\nccc\nあああ\n".split(//)
io = GLib::IOChannel.new(TEST_FILE)
i = 0
io.each_char {|ch|
assert_equal(text[i].unpack("U")[0], ch)
i += 1
}
io.close
end
def test_readchar
io = GLib::IOChannel.new(TEST_FILE)
text = "aaa\nbbb\nccc\nあああ\n".split(//)
text.each do |v|
assert_equal(v.unpack("U")[0], io.readchar)
end
assert_raises(EOFError) {
io.readchar
}
io.close
end
def test_gets
io = GLib::IOChannel.new(TEST_FILE)
assert_equal("aaa\n", io.gets)
assert_equal("bbb\n", io.gets)
assert_equal("ccc\n", io.gets)
assert_equal("あああ\n", io.gets)
assert_equal(nil, io.gets)
io.close
io = GLib::IOChannel.new(TEST_FILE)
assert_equal("aaa\nbbb\n", io.gets("bbb\n"))
assert_equal("ccc\nあああ\n", io.gets("bbb\n"))
assert_equal(nil, io.gets("bbb\n"))
io.close
end
def test_readline
io = GLib::IOChannel.new(TEST_FILE)
assert_equal("aaa\n", io.readline)
assert_equal("bbb\n", io.readline)
assert_equal("ccc\n", io.readline)
assert_equal("あああ\n", io.readline)
assert_raises(EOFError) {
io.readline
}
io.close
io = GLib::IOChannel.new(TEST_FILE)
assert_equal("aaa\nbbb\n", io.readline("bbb\n"))
assert_equal("ccc\nあああ\n", io.readline("bbb\n"))
assert_raises(EOFError) {
io.readline("bbb\n")
}
io.close
end
def test_each_line
lines = ["aaa\n", "bbb\n", "ccc\n", "あああ\n"]
io = GLib::IOChannel.new(TEST_FILE)
i = 0
io.each {|line|
assert_equal(lines[i], line)
i += 1
}
io.close
io = GLib::IOChannel.new(TEST_FILE)
assert_raises(RuntimeError) {
io.each {|line|
raise "test"
}
}
io.close
io = GLib::IOChannel.new(TEST_FILE)
i = 0
io.each_line {|line|
assert_equal(lines[i], line)
i += 1
}
io.close
#Test for Enumerable
GLib::IOChannel.open(TEST_FILE) {|io|
io.each_with_index {|line, i|
assert_equal(lines[i], line)
}
}
assert_raises(ArgumentError){
io.each
}
end
def test_read
io = GLib::IOChannel.new(TEST_FILE)
assert_equal("aaa\nbbb\nccc\nあああ\n", io.read)
io.close
io = GLib::IOChannel.new(TEST_FILE)
assert_equal("aaa\nbbb\nccc\nあああ\n", io.read(100))
io.close
io = GLib::IOChannel.new(TEST_FILE)
assert_equal("aaa\nbbb\n", io.read(8))
assert_equal("ccc\n", io.read(4))
assert_equal("あああ\n", io.read(10))
assert_equal("", io.read(10))
assert_equal("", io.read(10))
io.close
end
def test_seek
text = "aaa\nbbb\nccc\nあああ\n"
io = GLib::IOChannel.new(TEST_FILE)
io.seek(5)
assert_equal(text[5], io.getc)
io.seek(6, GLib::IOChannel::SEEK_SET)
assert_equal(text[6], io.getc)
io.seek(1, GLib::IOChannel::SEEK_CUR)
assert_equal(text[8], io.getc)
io.pos = 0
assert_equal(text[0], io.getc)
io.set_pos(2)
assert_equal(text[2], io.getc)
io.close
end
def test_write
io = GLib::IOChannel.new(TEST_WRITE_FILE, "w")
io.write("a\n")
io.write("あいう\n")
io.printf("a%sa\n", "a")
io.print("a", 100, "a\n")
io.puts("b", 200, "b")
io.putc("c")
io.putc("c".unpack("U")[0])
io.putc("cc".unpack("U")[0])
io.putc("あ".unpack("U")[0])
io.putc("あ")
io.putc("あい") #Ignore 2nd char
io.putc("aあ") #Ignore 2nd char
io.close
# check them
io = GLib::IOChannel.new(TEST_WRITE_FILE, "r")
assert_equal("a\n", io.gets)
assert_equal("あいう\n", io.gets)
assert_equal("aaa\n", io.gets)
assert_equal("a100a\n", io.gets)
assert_equal("b\n", io.gets)
assert_equal("200\n", io.gets)
assert_equal("b\n", io.gets)
assert_equal("c".unpack("U")[0], io.getc)
assert_equal("c".unpack("U")[0], io.getc)
assert_equal("c".unpack("U")[0], io.getc)
assert_equal("あ".unpack("U")[0], io.getc)
assert_equal("あ".unpack("U")[0], io.getc)
assert_equal("あ".unpack("U")[0], io.getc)
assert_equal("a".unpack("U")[0], io.getc)
io.close
end
def test_encoding
io = GLib::IOChannel.new(TEST_FILE)
assert_equal("UTF-8", io.encoding)
io.encoding = "Shift_JIS"
assert_equal("Shift_JIS", io.encoding)
assert_raises(GLib::ConvertError) {
io.read
}
io.close
io = GLib::IOChannel.new(TEST_SJIS_FILE)
io.encoding = "Shift_JIS"
assert_equal("Shift_JIS", io.encoding)
assert_equal("aaa\nbbb\nccc\nあああ\n", io.read)
io.close
end
def test_error
assert_raises(GLib::FileError) {
# No such file or directory
GLib::IOChannel.new("foo")
}
end
end
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