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Contents
# encoding: utf-8
require File.dirname(File.join(__rhoGetCurrentDir(), __FILE__)) + '/../../spec_helper'
require File.dirname(File.join(__rhoGetCurrentDir(), __FILE__)) + '/fixtures/classes'
describe "IO#putc" do
before :each do
@filename = tmp "IO_putc_file_#{$$}"
@io = File.open @filename, 'w'
@io.sync = true
end
after :each do
@io.close
File.unlink @filename
end
it "raises IOError on closed stream" do
lambda { IOSpecs.closed_file.putc('a') }.should raise_error(IOError)
end
it "writes the first byte of a String" do
@io.putc "foo"
File.read(@filename).should == 'f'
end
it "writes the first byte of an object's string representation" do
o = Object.new
def o.to_int() 261 end # \005
@io.putc o
File.read(@filename).should == "\005"
end
it "writes Numerics that fit in a C char" do
@io.putc(-128)
@io.putc 0
@io.putc 255
File.read(@filename).should == "\200\000\377"
end
it "write the first byte of Numerics that don't fit in a C char" do
@io.putc(-129)
@io.putc 256
File.read(@filename).should == "\177\000"
end
end
Version data entries
83 entries across 83 versions & 1 rubygems