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ruby--ruby/test/ruby/test_argf.rb
2022-07-07 11:33:07 +09:00

1143 lines
29 KiB
Ruby

# frozen_string_literal: false
require 'test/unit'
require 'timeout'
require 'tmpdir'
require 'tempfile'
require 'fileutils'
class TestArgf < Test::Unit::TestCase
def setup
@tmpdir = Dir.mktmpdir
@tmp_count = 0
@t1 = make_tempfile0("argf-foo")
@t1.binmode
@t1.puts "1"
@t1.puts "2"
@t1.close
@t2 = make_tempfile0("argf-bar")
@t2.binmode
@t2.puts "3"
@t2.puts "4"
@t2.close
@t3 = make_tempfile0("argf-baz")
@t3.binmode
@t3.puts "5"
@t3.puts "6"
@t3.close
end
def teardown
FileUtils.rmtree(@tmpdir)
end
def make_tempfile0(basename)
@tmp_count += 1
open("#{@tmpdir}/#{basename}-#{@tmp_count}", "w")
end
def make_tempfile(basename = "argf-qux")
t = make_tempfile0(basename)
t.puts "foo"
t.puts "bar"
t.puts "baz"
t.close
t
end
def ruby(*args, external_encoding: Encoding::UTF_8)
args = ['-e', '$>.write($<.read)'] if args.empty?
ruby = EnvUtil.rubybin
f = IO.popen([ruby] + args, 'r+', external_encoding: external_encoding)
yield(f)
ensure
f.close unless !f || f.closed?
end
def no_safe_rename
/cygwin|mswin|mingw|bccwin/ =~ RUBY_PLATFORM
end
def assert_src_expected(src, args = nil, line: caller_locations(1, 1)[0].lineno+1)
args ||= [@t1.path, @t2.path, @t3.path]
expected = src.split(/^/)
ruby('-e', src, *args) do |f|
expected.each_with_index do |e, i|
/#=> *(.*)/ =~ e or next
a = f.gets
assert_not_nil(a, "[ruby-dev:34445]: remained")
assert_equal($1, a.chomp, "[ruby-dev:34445]: line #{line+i}")
end
end
end
def test_argf
assert_src_expected("#{<<~"{#"}\n#{<<~'};'}")
{#
a = ARGF
b = a.dup
p [a.gets.chomp, a.lineno, b.gets.chomp, b.lineno] #=> ["1", 1, "1", 1]
p [a.gets.chomp, a.lineno, b.gets.chomp, b.lineno] #=> ["2", 2, "2", 2]
a.rewind
b.rewind
p [a.gets.chomp, a.lineno, b.gets.chomp, b.lineno] #=> ["1", 1, "1", 1]
p [a.gets.chomp, a.lineno, b.gets.chomp, b.lineno] #=> ["2", 2, "2", 2]
p [a.gets.chomp, a.lineno, b.gets.chomp, b.lineno] #=> ["3", 3, "3", 3]
p [a.gets.chomp, a.lineno, b.gets.chomp, b.lineno] #=> ["4", 4, "4", 4]
p [a.gets.chomp, a.lineno, b.gets.chomp, b.lineno] #=> ["5", 5, "5", 5]
a.rewind
b.rewind
p [a.gets.chomp, a.lineno, b.gets.chomp, b.lineno] #=> ["5", 5, "5", 5]
p [a.gets.chomp, a.lineno, b.gets.chomp, b.lineno] #=> ["6", 6, "6", 6]
};
end
def test_lineno
assert_src_expected("#{<<~"{#"}\n#{<<~'};'}")
{#
a = ARGF
a.gets; p($.) #=> 1
a.gets; p($.) #=> 2
a.gets; p($.) #=> 3
a.rewind; p($.) #=> 3
a.gets; p($.) #=> 3
a.gets; p($.) #=> 4
a.rewind; p($.) #=> 4
a.gets; p($.) #=> 3
a.lineno = 1000; p($.) #=> 1000
a.gets; p($.) #=> 1001
a.gets; p($.) #=> 1002
$. = 2000
a.gets; p($.) #=> 2001
a.gets; p($.) #=> 2001
};
end
def test_lineno2
assert_src_expected("#{<<~"{#"}\n#{<<~'};'}")
{#
a = ARGF.dup
a.gets; p($.) #=> 1
a.gets; p($.) #=> 2
a.gets; p($.) #=> 1
a.rewind; p($.) #=> 1
a.gets; p($.) #=> 1
a.gets; p($.) #=> 2
a.gets; p($.) #=> 1
a.lineno = 1000; p($.) #=> 1
a.gets; p($.) #=> 2
a.gets; p($.) #=> 2
$. = 2000
a.gets; p($.) #=> 2000
a.gets; p($.) #=> 2000
};
end
def test_lineno3
expected = %w"1 1 1 2 2 2 3 3 1 4 4 2"
assert_in_out_err(["-", @t1.path, @t2.path],
"#{<<~"{#"}\n#{<<~'};'}", expected, [], "[ruby-core:25205]")
{#
ARGF.each do |line|
puts [$., ARGF.lineno, ARGF.file.lineno]
end
};
end
def test_lineno_after_shebang
expected = %w"1 1 1 2 2 2 3 3 1 4 4 2"
assert_in_out_err(["--enable=gems", "-", @t1.path, @t2.path], "#{<<~"{#"}\n#{<<~'};'}", expected)
#!/usr/bin/env ruby
{#
ARGF.each do |line|
puts [$., ARGF.lineno, ARGF.file.lineno]
end
};
end
def test_new_lineno_each
f = ARGF.class.new(@t1.path, @t2.path, @t3.path)
result = []
f.each {|line| result << [f.lineno, line]; break if result.size == 3}
assert_equal(3, f.lineno)
assert_equal((1..3).map {|i| [i, "#{i}\n"]}, result)
f.rewind
assert_equal(2, f.lineno)
ensure
f.close
end
def test_new_lineno_each_char
f = ARGF.class.new(@t1.path, @t2.path, @t3.path)
f.each_char.to_a
assert_equal(0, f.lineno)
ensure
f.close
end
def test_inplace
assert_in_out_err(["-", @t1.path, @t2.path, @t3.path],
"#{<<~"{#"}\n#{<<~'};'}")
{#
ARGF.inplace_mode = '.bak'
while line = ARGF.gets
puts line.chomp + '.new'
end
};
assert_equal("1.new\n2.new\n", File.read(@t1.path))
assert_equal("3.new\n4.new\n", File.read(@t2.path))
assert_equal("5.new\n6.new\n", File.read(@t3.path))
assert_equal("1\n2\n", File.read(@t1.path + ".bak"))
assert_equal("3\n4\n", File.read(@t2.path + ".bak"))
assert_equal("5\n6\n", File.read(@t3.path + ".bak"))
end
def test_inplace2
assert_in_out_err(["-", @t1.path, @t2.path, @t3.path],
"#{<<~"{#"}\n#{<<~'};'}")
{#
ARGF.inplace_mode = '.bak'
puts ARGF.gets.chomp + '.new'
puts ARGF.gets.chomp + '.new'
p ARGF.inplace_mode
ARGF.inplace_mode = nil
puts ARGF.gets.chomp + '.new'
puts ARGF.gets.chomp + '.new'
p ARGF.inplace_mode
ARGF.inplace_mode = '.bak'
puts ARGF.gets.chomp + '.new'
p ARGF.inplace_mode
ARGF.inplace_mode = nil
puts ARGF.gets.chomp + '.new'
};
assert_equal("1.new\n2.new\n\".bak\"\n3.new\n4.new\nnil\n", File.read(@t1.path))
assert_equal("3\n4\n", File.read(@t2.path))
assert_equal("5.new\n\".bak\"\n6.new\n", File.read(@t3.path))
assert_equal("1\n2\n", File.read(@t1.path + ".bak"))
assert_equal(false, File.file?(@t2.path + ".bak"))
assert_equal("5\n6\n", File.read(@t3.path + ".bak"))
end
def test_inplace3
assert_in_out_err(["-i.bak", "-", @t1.path, @t2.path, @t3.path],
"#{<<~"{#"}\n#{<<~'};'}")
{#
puts ARGF.gets.chomp + '.new'
puts ARGF.gets.chomp + '.new'
p $-i
$-i = nil
puts ARGF.gets.chomp + '.new'
puts ARGF.gets.chomp + '.new'
p $-i
$-i = '.bak'
puts ARGF.gets.chomp + '.new'
p $-i
$-i = nil
puts ARGF.gets.chomp + '.new'
};
assert_equal("1.new\n2.new\n\".bak\"\n3.new\n4.new\nnil\n", File.read(@t1.path))
assert_equal("3\n4\n", File.read(@t2.path))
assert_equal("5.new\n\".bak\"\n6.new\n", File.read(@t3.path))
assert_equal("1\n2\n", File.read(@t1.path + ".bak"))
assert_equal(false, File.file?(@t2.path + ".bak"))
assert_equal("5\n6\n", File.read(@t3.path + ".bak"))
end
def test_inplace_rename_impossible
t = make_tempfile
assert_in_out_err(["-", t.path], "#{<<~"{#"}\n#{<<~'};'}") do |r, e|
{#
ARGF.inplace_mode = '/\\\\:'
while line = ARGF.gets
puts line.chomp + '.new'
end
};
assert_match(/Can't rename .* to .*: .*. skipping file/, e.first) #'
assert_equal([], r)
assert_equal("foo\nbar\nbaz\n", File.read(t.path))
end
base = "argf-\u{30c6 30b9 30c8}"
name = "#{@tmpdir}/#{base}"
File.write(name, "foo")
argf = ARGF.class.new(name)
argf.inplace_mode = '/\\:'
assert_warning(/#{base}/) {argf.gets}
end
def test_inplace_nonascii
ext = Encoding.default_external or
omit "no default external encoding"
t = nil
["\u{3042}", "\u{e9}"].any? do |n|
t = make_tempfile(n.encode(ext))
rescue Encoding::UndefinedConversionError
end
t or omit "no name to test"
assert_in_out_err(["-i.bak", "-", t.path],
"#{<<~"{#"}\n#{<<~'};'}")
{#
puts ARGF.gets.chomp + '.new'
puts ARGF.gets.chomp + '.new'
puts ARGF.gets.chomp + '.new'
};
assert_equal("foo.new\n""bar.new\n""baz.new\n", File.read(t.path))
assert_equal("foo\n""bar\n""baz\n", File.read(t.path + ".bak"))
end
def test_inplace_no_backup
t = make_tempfile
assert_in_out_err(["-", t.path], "#{<<~"{#"}\n#{<<~'};'}") do |r, e|
{#
ARGF.inplace_mode = ''
while line = ARGF.gets
puts line.chomp + '.new'
end
};
if no_safe_rename
assert_match(/Can't do inplace edit without backup/, e.join) #'
else
assert_equal([], e)
assert_equal([], r)
assert_equal("foo.new\nbar.new\nbaz.new\n", File.read(t.path))
end
end
end
def test_inplace_dup
t = make_tempfile
assert_in_out_err(["-", t.path], "#{<<~"{#"}\n#{<<~'};'}", [], [])
{#
ARGF.inplace_mode = '.bak'
f = ARGF.dup
while line = f.gets
puts line.chomp + '.new'
end
};
assert_equal("foo.new\nbar.new\nbaz.new\n", File.read(t.path))
end
def test_inplace_stdin
assert_in_out_err(["-", "-"], "#{<<~"{#"}\n#{<<~'};'}", [], /Can't do inplace edit for stdio; skipping/)
{#
ARGF.inplace_mode = '.bak'
f = ARGF.dup
while line = f.gets
puts line.chomp + '.new'
end
};
end
def test_inplace_stdin2
assert_in_out_err(["-"], "#{<<~"{#"}\n#{<<~'};'}", [], /Can't do inplace edit for stdio/)
{#
ARGF.inplace_mode = '.bak'
while line = ARGF.gets
puts line.chomp + '.new'
end
};
end
def test_inplace_invalid_backup
assert_raise(ArgumentError, '[ruby-dev:50272] [Bug #13960]') {
ARGF.inplace_mode = "a\0"
}
end
def test_inplace_to_path
base = "argf-test"
name = "#{@tmpdir}/#{base}"
File.write(name, "foo")
stdout = $stdout
argf = ARGF.class.new(Struct.new(:to_path).new(name))
begin
result = argf.gets
ensure
$stdout = stdout
argf.close
end
assert_equal("foo", result)
end
def test_inplace_ascii_incompatible_path
base = "argf-\u{30c6 30b9 30c8}"
name = "#{@tmpdir}/#{base}"
File.write(name, "foo")
stdout = $stdout
argf = ARGF.class.new(name.encode(Encoding::UTF_16LE))
assert_raise(Encoding::CompatibilityError) do
argf.gets
end
ensure
$stdout = stdout
end
def test_inplace_suffix_encoding
base = "argf-\u{30c6 30b9 30c8}"
name = "#{@tmpdir}/#{base}"
suffix = "-bak"
File.write(name, "foo")
stdout = $stdout
argf = ARGF.class.new(name)
argf.inplace_mode = suffix.encode(Encoding::UTF_16LE)
begin
argf.each do |s|
puts "+"+s
end
ensure
$stdout.close unless $stdout == stdout
$stdout = stdout
end
assert_file.exist?(name)
assert_equal("+foo\n", File.read(name))
assert_file.not_exist?(name+"-")
assert_file.exist?(name+suffix)
assert_equal("foo", File.read(name+suffix))
end
def test_inplace_bug_17117
assert_in_out_err(["-", @t1.path], "#{<<~"{#"}#{<<~'};'}")
{#
#!/usr/bin/ruby -pi.bak
BEGIN {
GC.start
arr = []
1000000.times { |x| arr << "fooo#{x}" }
}
puts "hello"
};
assert_equal("hello\n1\nhello\n2\n", File.read(@t1.path))
assert_equal("1\n2\n", File.read("#{@t1.path}.bak"))
end
def test_encoding
ruby('-e', "#{<<~"{#"}\n#{<<~'};'}", @t1.path, @t2.path, @t3.path) do |f|
{#
p ARGF.external_encoding.is_a?(Encoding)
p ARGF.internal_encoding.is_a?(Encoding)
ARGF.gets
p ARGF.external_encoding.is_a?(Encoding)
p ARGF.internal_encoding
};
assert_equal("true\ntrue\ntrue\nnil\n", f.read)
end
end
def test_tell
ruby('-e', "#{<<~"{#"}\n#{<<~'};'}", @t1.path, @t2.path, @t3.path) do |f|
{#
begin
ARGF.binmode
loop do
p ARGF.tell
p ARGF.gets
end
rescue ArgumentError
puts "end"
end
};
a = f.read.split("\n")
[0, 2, 4, 2, 4, 2, 4].map {|i| i.to_s }.
zip((1..6).map {|i| '"' + i.to_s + '\n"' } + ["nil"]).flatten.
each do |x|
assert_equal(x, a.shift)
end
assert_equal('end', a.shift)
end
end
def test_seek
assert_src_expected("#{<<~"{#"}\n#{<<~'};'}")
{#
ARGF.seek(4)
p ARGF.gets #=> "3\n"
ARGF.seek(0, IO::SEEK_END)
p ARGF.gets #=> "5\n"
ARGF.seek(4)
p ARGF.gets #=> nil
begin
ARGF.seek(0)
rescue
puts "end" #=> end
end
};
end
def test_set_pos
assert_src_expected("#{<<~"{#"}\n#{<<~'};'}")
{#
ARGF.pos = 4
p ARGF.gets #=> "3\n"
ARGF.pos = 4
p ARGF.gets #=> "5\n"
ARGF.pos = 4
p ARGF.gets #=> nil
begin
ARGF.pos = 4
rescue
puts "end" #=> end
end
};
end
def test_rewind
assert_src_expected("#{<<~"{#"}\n#{<<~'};'}")
{#
ARGF.pos = 4
ARGF.rewind
p ARGF.gets #=> "1\n"
ARGF.pos = 4
p ARGF.gets #=> "3\n"
ARGF.pos = 4
p ARGF.gets #=> "5\n"
ARGF.pos = 4
p ARGF.gets #=> nil
begin
ARGF.rewind
rescue
puts "end" #=> end
end
};
end
def test_fileno
ruby('-e', "#{<<~"{#"}\n#{<<~'};'}", @t1.path, @t2.path, @t3.path) do |f|
{#
p ARGF.fileno
ARGF.gets
ARGF.gets
p ARGF.fileno
ARGF.gets
ARGF.gets
p ARGF.fileno
ARGF.gets
ARGF.gets
p ARGF.fileno
ARGF.gets
begin
ARGF.fileno
rescue
puts "end"
end
};
a = f.read.split("\n")
fd1, fd2, fd3, fd4, tag = a
assert_match(/^\d+$/, fd1)
assert_match(/^\d+$/, fd2)
assert_match(/^\d+$/, fd3)
assert_match(/^\d+$/, fd4)
assert_equal('end', tag)
end
end
def test_to_io
ruby('-e', "#{<<~"{#"}\n#{<<~'};'}", @t1.path, @t2.path, @t3.path) do |f|
{#
8.times do
p ARGF.to_io
ARGF.gets
end
};
a = f.read.split("\n")
f11, f12, f13, f21, f22, f31, f32, f4 = a
assert_equal(f11, f12)
assert_equal(f11, f13)
assert_equal(f21, f22)
assert_equal(f31, f32)
assert_match(/\(closed\)/, f4)
f4.sub!(/ \(closed\)/, "")
assert_equal(f31, f4)
end
end
def test_eof
ruby('-e', "#{<<~"{#"}\n#{<<~'};'}", @t1.path, @t2.path, @t3.path) do |f|
{#
begin
8.times do
p ARGF.eof?
ARGF.gets
end
rescue IOError
puts "end"
end
};
a = f.read.split("\n")
(%w(false) + (%w(false true) * 3) + %w(end)).each do |x|
assert_equal(x, a.shift)
end
end
t1 = open("#{@tmpdir}/argf-hoge", "w")
t1.binmode
t1.puts "foo"
t1.close
t2 = open("#{@tmpdir}/argf-moge", "w")
t2.binmode
t2.puts "bar"
t2.close
ruby('-e', 'STDERR.reopen(STDOUT); ARGF.gets; ARGF.skip; p ARGF.eof?', t1.path, t2.path) do |f|
assert_equal(%w(false), f.read.split(/\n/))
end
end
def test_read
ruby('-e', "p ARGF.read(8)", @t1.path, @t2.path, @t3.path) do |f|
assert_equal("\"1\\n2\\n3\\n4\\n\"\n", f.read)
end
end
def test_read2
ruby('-e', "#{<<~"{#"}\n#{<<~'};'}", @t1.path, @t2.path, @t3.path) do |f|
{#
s = ""
ARGF.read(8, s)
p s
};
assert_equal("\"1\\n2\\n3\\n4\\n\"\n", f.read)
end
end
def test_read2_with_not_empty_buffer
ruby('-e', "#{<<~"{#"}\n#{<<~'};'}", @t1.path, @t2.path, @t3.path) do |f|
{#
s = "0123456789"
ARGF.read(8, s)
p s
};
assert_equal("\"1\\n2\\n3\\n4\\n\"\n", f.read)
end
end
def test_read3
ruby('-e', "#{<<~"{#"}\n#{<<~'};'}", @t1.path, @t2.path, @t3.path) do |f|
{#
nil while ARGF.gets
p ARGF.read
p ARGF.read(0, "")
};
assert_equal("nil\n\"\"\n", f.read)
end
end
def test_readpartial
ruby('-e', "#{<<~"{#"}\n#{<<~'};'}", @t1.path, @t2.path, @t3.path) do |f|
{#
s = ""
begin
loop do
s << ARGF.readpartial(1)
t = ""; ARGF.readpartial(1, t); s << t
# not empty buffer
u = "abcdef"; ARGF.readpartial(1, u); s << u
end
rescue EOFError
puts s
end
};
assert_equal("1\n2\n3\n4\n5\n6\n", f.read)
end
end
def test_readpartial2
ruby('-e', "#{<<~"{#"}\n#{<<~'};'}") do |f|
{#
s = ""
begin
loop do
s << ARGF.readpartial(1)
t = ""; ARGF.readpartial(1, t); s << t
end
rescue EOFError
$stdout.binmode
puts s
end
};
f.binmode
f.puts("foo")
f.puts("bar")
f.puts("baz")
f.close_write
assert_equal("foo\nbar\nbaz\n", f.read)
end
end
def test_readpartial_eof_twice
ruby('-W1', '-e', "#{<<~"{#"}\n#{<<~'};'}", @t1.path) do |f|
{#
$stderr = $stdout
print ARGF.readpartial(256)
ARGF.readpartial(256) rescue p($!.class)
ARGF.readpartial(256) rescue p($!.class)
};
assert_equal("1\n2\nEOFError\nEOFError\n", f.read)
end
end
def test_getc
ruby('-e', "#{<<~"{#"}\n#{<<~'};'}", @t1.path, @t2.path, @t3.path) do |f|
{#
s = ""
while c = ARGF.getc
s << c
end
puts s
};
assert_equal("1\n2\n3\n4\n5\n6\n", f.read)
end
end
def test_getbyte
ruby('-e', "#{<<~"{#"}\n#{<<~'};'}", @t1.path, @t2.path, @t3.path) do |f|
{#
s = []
while c = ARGF.getbyte
s << c
end
p s
};
assert_equal("[49, 10, 50, 10, 51, 10, 52, 10, 53, 10, 54, 10]\n", f.read)
end
end
def test_readchar
ruby('-e', "#{<<~"{#"}\n#{<<~'};'}", @t1.path, @t2.path, @t3.path) do |f|
{#
s = ""
begin
while c = ARGF.readchar
s << c
end
rescue EOFError
puts s
end
};
assert_equal("1\n2\n3\n4\n5\n6\n", f.read)
end
end
def test_readbyte
ruby('-e', "#{<<~"{#"}\n#{<<~'};'}", @t1.path, @t2.path, @t3.path) do |f|
{#
begin
s = []
while c = ARGF.readbyte
s << c
end
rescue EOFError
p s
end
};
assert_equal("[49, 10, 50, 10, 51, 10, 52, 10, 53, 10, 54, 10]\n", f.read)
end
end
def test_each_line
ruby('-e', "#{<<~"{#"}\n#{<<~'};'}", @t1.path, @t2.path, @t3.path) do |f|
{#
s = []
ARGF.each_line {|l| s << l }
p s
};
assert_equal("[\"1\\n\", \"2\\n\", \"3\\n\", \"4\\n\", \"5\\n\", \"6\\n\"]\n", f.read)
end
end
def test_each_line_paragraph
assert_in_out_err(['-e', 'ARGF.each_line("") {|para| p para}'], "a\n\nb\n",
["\"a\\n\\n\"", "\"b\\n\""], [])
end
def test_each_line_chomp
assert_in_out_err(['-e', 'ARGF.each_line(chomp: false) {|para| p para}'], "a\nb\n",
["\"a\\n\"", "\"b\\n\""], [])
assert_in_out_err(['-e', 'ARGF.each_line(chomp: true) {|para| p para}'], "a\nb\n",
["\"a\"", "\"b\""], [])
t = make_tempfile
argf = ARGF.class.new(t.path)
lines = []
begin
argf.each_line(chomp: true) do |line|
lines << line
end
ensure
argf.close
end
assert_equal(%w[foo bar baz], lines)
end
def test_each_byte
ruby('-e', "#{<<~"{#"}\n#{<<~'};'}", @t1.path, @t2.path, @t3.path) do |f|
{#
s = []
ARGF.each_byte {|c| s << c }
p s
};
assert_equal("[49, 10, 50, 10, 51, 10, 52, 10, 53, 10, 54, 10]\n", f.read)
end
end
def test_each_char
ruby('-e', "#{<<~"{#"}\n#{<<~'};'}", @t1.path, @t2.path, @t3.path) do |f|
{#
s = ""
ARGF.each_char {|c| s << c }
puts s
};
assert_equal("1\n2\n3\n4\n5\n6\n", f.read)
end
end
def test_filename
ruby('-e', "#{<<~"{#"}\n#{<<~'};'}", @t1.path, @t2.path, @t3.path) do |f|
{#
begin
puts ARGF.filename.dump
end while ARGF.gets
puts ARGF.filename.dump
};
a = f.read.split("\n")
assert_equal(@t1.path.dump, a.shift)
assert_equal(@t1.path.dump, a.shift)
assert_equal(@t1.path.dump, a.shift)
assert_equal(@t2.path.dump, a.shift)
assert_equal(@t2.path.dump, a.shift)
assert_equal(@t3.path.dump, a.shift)
assert_equal(@t3.path.dump, a.shift)
assert_equal(@t3.path.dump, a.shift)
end
end
def test_filename2
ruby('-e', "#{<<~"{#"}\n#{<<~'};'}", @t1.path, @t2.path, @t3.path) do |f|
{#
begin
puts $FILENAME.dump
end while ARGF.gets
puts $FILENAME.dump
};
a = f.read.split("\n")
assert_equal(@t1.path.dump, a.shift)
assert_equal(@t1.path.dump, a.shift)
assert_equal(@t1.path.dump, a.shift)
assert_equal(@t2.path.dump, a.shift)
assert_equal(@t2.path.dump, a.shift)
assert_equal(@t3.path.dump, a.shift)
assert_equal(@t3.path.dump, a.shift)
assert_equal(@t3.path.dump, a.shift)
end
end
def test_file
ruby('-e', "#{<<~"{#"}\n#{<<~'};'}", @t1.path, @t2.path, @t3.path) do |f|
{#
begin
puts ARGF.file.path.dump
end while ARGF.gets
puts ARGF.file.path.dump
};
a = f.read.split("\n")
assert_equal(@t1.path.dump, a.shift)
assert_equal(@t1.path.dump, a.shift)
assert_equal(@t1.path.dump, a.shift)
assert_equal(@t2.path.dump, a.shift)
assert_equal(@t2.path.dump, a.shift)
assert_equal(@t3.path.dump, a.shift)
assert_equal(@t3.path.dump, a.shift)
assert_equal(@t3.path.dump, a.shift)
end
end
def test_binmode
bug5268 = '[ruby-core:39234]'
open(@t3.path, "wb") {|f| f.write "5\r\n6\r\n"}
ruby('-e', "ARGF.binmode; STDOUT.binmode; puts ARGF.read", @t1.path, @t2.path, @t3.path) do |f|
f.binmode
assert_equal("1\n2\n3\n4\n5\r\n6\r\n", f.read, bug5268)
end
end
def test_textmode
bug5268 = '[ruby-core:39234]'
open(@t3.path, "wb") {|f| f.write "5\r\n6\r\n"}
ruby('-e', "STDOUT.binmode; puts ARGF.read", @t1.path, @t2.path, @t3.path) do |f|
f.binmode
assert_equal("1\n2\n3\n4\n5\n6\n", f.read, bug5268)
end
end unless IO::BINARY.zero?
def test_skip
ruby('-e', "#{<<~"{#"}\n#{<<~'};'}", @t1.path, @t2.path, @t3.path) do |f|
{#
ARGF.skip
puts ARGF.gets
ARGF.skip
puts ARGF.read
};
assert_equal("1\n3\n4\n5\n6\n", f.read)
end
end
def test_skip_in_each_line
ruby('-e', "#{<<~"{#"}\n#{<<~'};'}", @t1.path, @t2.path, @t3.path) do |f|
{#
ARGF.each_line {|l| print l; ARGF.skip}
};
assert_equal("1\n3\n5\n", f.read, '[ruby-list:49185]')
end
ruby('-e', "#{<<~"{#"}\n#{<<~'};'}", @t1.path, @t2.path, @t3.path) do |f|
{#
ARGF.each_line {|l| ARGF.skip; puts [l, ARGF.gets].map {|s| s ? s.chomp : s.inspect}.join("+")}
};
assert_equal("1+3\n4+5\n6+nil\n", f.read, '[ruby-list:49185]')
end
end
def test_skip_in_each_byte
ruby('-e', "#{<<~"{#"}\n#{<<~'};'}", @t1.path, @t2.path, @t3.path) do |f|
{#
ARGF.each_byte {|l| print l; ARGF.skip}
};
assert_equal("135".unpack("C*").join(""), f.read, '[ruby-list:49185]')
end
end
def test_skip_in_each_char
[[@t1, "\u{3042}"], [@t2, "\u{3044}"], [@t3, "\u{3046}"]].each do |f, s|
File.write(f.path, s, mode: "w:utf-8")
end
ruby('-Eutf-8', '-e', "#{<<~"{#"}\n#{<<~'};'}", @t1.path, @t2.path, @t3.path) do |f|
{#
ARGF.each_char {|l| print l; ARGF.skip}
};
assert_equal("\u{3042 3044 3046}", f.read, '[ruby-list:49185]')
end
end
def test_skip_in_each_codepoint
[[@t1, "\u{3042}"], [@t2, "\u{3044}"], [@t3, "\u{3046}"]].each do |f, s|
File.write(f.path, s, mode: "w:utf-8")
end
ruby('-Eutf-8', '-Eutf-8', '-e', "#{<<~"{#"}\n#{<<~'};'}", @t1.path, @t2.path, @t3.path) do |f|
{#
ARGF.each_codepoint {|l| printf "%x:", l; ARGF.skip}
};
assert_equal("3042:3044:3046:", f.read, '[ruby-list:49185]')
end
end
def test_close
ruby('-e', "#{<<~"{#"}\n#{<<~'};'}", @t1.path, @t2.path, @t3.path) do |f|
{#
ARGF.close
puts ARGF.read
};
assert_equal("3\n4\n5\n6\n", f.read)
end
end
def test_close_replace
ruby('-e', "#{<<~"{#"}\n#{<<~'};'}") do |f|
paths = ['#{@t1.path}', '#{@t2.path}', '#{@t3.path}']
{#
ARGF.close
ARGV.replace paths
puts ARGF.read
};
assert_equal("1\n2\n3\n4\n5\n6\n", f.read)
end
end
def test_closed
ruby('-e', "#{<<~"{#"}\n#{<<~'};'}", @t1.path, @t2.path, @t3.path) do |f|
{#
3.times do
p ARGF.closed?
ARGF.gets
ARGF.gets
end
p ARGF.closed?
ARGF.gets
p ARGF.closed?
};
assert_equal("false\nfalse\nfalse\nfalse\ntrue\n", f.read)
end
end
def test_argv
ruby('-e', "p ARGF.argv; p $*", @t1.path, @t2.path, @t3.path) do |f|
assert_equal([@t1.path, @t2.path, @t3.path].inspect, f.gets.chomp)
assert_equal([@t1.path, @t2.path, @t3.path].inspect, f.gets.chomp)
end
end
def test_readlines_limit_0
bug4024 = '[ruby-dev:42538]'
t = make_tempfile
argf = ARGF.class.new(t.path)
begin
assert_raise(ArgumentError, bug4024) do
argf.readlines(0)
end
ensure
argf.close
end
end
def test_each_line_limit_0
bug4024 = '[ruby-dev:42538]'
t = make_tempfile
argf = ARGF.class.new(t.path)
begin
assert_raise(ArgumentError, bug4024) do
argf.each_line(0).next
end
ensure
argf.close
end
end
def test_unreadable
bug4274 = '[ruby-core:34446]'
paths = (1..2).map do
t = Tempfile.new("bug4274-")
path = t.path
t.close!
path
end
argf = ARGF.class.new(*paths)
paths.each do |path|
assert_raise_with_message(Errno::ENOENT, /- #{Regexp.quote(path)}\z/) {argf.gets}
end
assert_nil(argf.gets, bug4274)
end
def test_readlines_chomp
t = make_tempfile
argf = ARGF.class.new(t.path)
begin
assert_equal(%w[foo bar baz], argf.readlines(chomp: true))
ensure
argf.close
end
assert_in_out_err(['-e', 'p readlines(chomp: true)'], "a\nb\n",
["[\"a\", \"b\"]"], [])
end
def test_readline_chomp
t = make_tempfile
argf = ARGF.class.new(t.path)
begin
assert_equal("foo", argf.readline(chomp: true))
ensure
argf.close
end
assert_in_out_err(['-e', 'p readline(chomp: true)'], "a\nb\n",
["\"a\""], [])
end
def test_gets_chomp
t = make_tempfile
argf = ARGF.class.new(t.path)
begin
assert_equal("foo", argf.gets(chomp: true))
ensure
argf.close
end
assert_in_out_err(['-e', 'p gets(chomp: true)'], "a\nb\n",
["\"a\""], [])
end
def test_readlines_twice
bug5952 = '[ruby-dev:45160]'
assert_ruby_status(["-e", "2.times {STDIN.tty?; readlines}"], "", bug5952)
end
def test_each_codepoint
ruby('-W1', '-e', "#{<<~"{#"}\n#{<<~'};'}", @t1.path, @t2.path, @t3.path) do |f|
{#
print Marshal.dump(ARGF.each_codepoint.to_a)
};
assert_equal([49, 10, 50, 10, 51, 10, 52, 10, 53, 10, 54, 10], Marshal.load(f.read))
end
end
def test_read_nonblock
ruby('-e', "#{<<~"{#"}\n#{<<~'};'}") do |f|
{#
$stdout.sync = true
:wait_readable == ARGF.read_nonblock(1, "", exception: false) or
abort "did not return :wait_readable"
begin
ARGF.read_nonblock(1)
abort 'fail to raise IO::WaitReadable'
rescue IO::WaitReadable
end
puts 'starting select'
IO.select([ARGF]) == [[ARGF], [], []] or
abort 'did not awaken for readability (before byte)'
buf = ''
buf.object_id == ARGF.read_nonblock(1, buf).object_id or
abort "read destination buffer failed"
print buf
IO.select([ARGF]) == [[ARGF], [], []] or
abort 'did not awaken for readability (before EOF)'
ARGF.read_nonblock(1, buf, exception: false) == nil or
abort "EOF should return nil if exception: false"
begin
ARGF.read_nonblock(1, buf)
abort 'fail to raise IO::WaitReadable'
rescue EOFError
puts 'done with eof'
end
};
f.sync = true
assert_equal "starting select\n", f.gets
f.write('.') # wake up from IO.select
assert_equal '.', f.read(1)
f.close_write
assert_equal "done with eof\n", f.gets
end
end
def test_wrong_type
assert_separately([], "#{<<~"{#"}\n#{<<~'};'}")
{#
bug11610 = '[ruby-core:71140] [Bug #11610]'
ARGV[0] = nil
assert_raise(TypeError, bug11610) {gets}
};
end
def test_sized_read
s = "a"
[@t1, @t2, @t3].each { |t|
File.binwrite(t.path, s)
s = s.succ
}
ruby('-e', "print ARGF.read(3)", @t1.path, @t2.path, @t3.path) do |f|
assert_equal("abc", f.read)
end
argf = ARGF.class.new(@t1.path, @t2.path, @t3.path)
begin
assert_equal("abc", argf.read(3))
ensure
argf.close
end
end
end