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Contents
require File.dirname(File.join(__rhoGetCurrentDir(), __FILE__)) + '/../../spec_helper'
require File.dirname(File.join(__rhoGetCurrentDir(), __FILE__)) + '/fixtures/classes'
require File.dirname(File.join(__rhoGetCurrentDir(), __FILE__)) + '/shared/write'
describe "IO#write_nonblock on a file" do
before :each do
@filename = tmp("IO_syswrite_file") + $$.to_s
File.open(@filename, "w") do |file|
file.write_nonblock("012345678901234567890123456789")
end
@file = File.open(@filename, "r+")
@readonly_file = File.open(@filename)
end
after :each do
@file.close
@readonly_file.close
File.delete(@filename)
end
it "writes all of the string's bytes but does not buffer them" do
written = @file.write_nonblock("abcde")
written.should == 5
File.open(@filename) do |file|
file.sysread(10).should == "abcde56789"
file.seek(0)
@file.fsync
file.sysread(10).should == "abcde56789"
end
end
it "checks if the file is writable if writing zero bytes" do
lambda { @readonly_file.write_nonblock("") }.should raise_error
end
end
describe "IO#write_nonblock" do
it_behaves_like :io_write, :write_nonblock
end
Version data entries
83 entries across 83 versions & 1 rubygems