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require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)
require File.expand_path('../shared/write', __FILE__)
require File.expand_path('../shared/binwrite', __FILE__)
describe "IO#write on a file" do
before :each do
@filename = tmp("IO_syswrite_file") + $$.to_s
File.open(@filename, "w") do |file|
file.write("012345678901234567890123456789")
end
@file = File.open(@filename, "r+")
@readonly_file = File.open(@filename)
end
after :each do
@file.close
@readonly_file.close
rm_r @filename
end
# TODO: impl detail? discuss this with matz. This spec is useless. - rdavis
# I agree. I've marked it not compliant on macruby, as we don't buffer input. -pthomson
not_compliant_on :macruby do
it "writes all of the string's bytes but buffers them" do
written = @file.write("abcde")
written.should == 5
File.open(@filename) do |file|
file.read.should == "012345678901234567890123456789"
@file.fsync
file.rewind
file.read.should == "abcde5678901234567890123456789"
end
end
end
it "does not check if the file is writable if writing zero bytes" do
lambda { @readonly_file.write("") }.should_not raise_error
end
it "returns a length of 0 when writing a blank string" do
@file.write('').should == 0
end
end
ruby_version_is "1.9.3" do
describe "IO.write" do
it_behaves_like :io_binwrite, :write
it "uses encoding from given options, if provided" do
IO.write(@filename, 'hello', :encoding => 'UTF-16').should == 12
IO.binread(@filename).should == "\xFE\xFF\x00h\x00e\x00l\x00l\x00o"
end
it "uses an :open_args option" do
IO.write(@filename, 'hi', :open_args => ["w", nil, {:encoding => Encoding::UTF_32LE}]).should == 8
end
it "disregards other options if :open_args is given" do
IO.write(@filename, 'hi', 2, :mode => "r", :encoding => Encoding::UTF_32LE, :open_args => ["w"]).should == 2
File.read(@filename).should == "\0\0hi"
end
it "needs to be reviewed for spec completeness"
end
end
describe "IO#write" do
it_behaves_like :io_write, :write
end
platform_is :windows do
describe "IO#write on Windows" do
before :each do
@fname = tmp("io_write.txt")
end
after :each do
rm_r @fname
@io.close if @io and !@io.closed?
end
it "normalizes line endings in text mode" do
@io = new_io(@fname, "w")
@io.write "a\r\nb\r\nc"
@io.close
@fname.should have_data("a\nb\nc")
end
it "does not normalize line endings in binary mode" do
@io = new_io(@fname, "wb")
@io.write "a\r\nb\r\nc"
@io.close
@fname.should have_data("a\r\nb\r\nc")
end
end
end
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