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Contents
# -*- encoding: utf-8 -*-
require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)
require File.expand_path('../shared/pos', __FILE__)
describe "IO#sysseek" do
it_behaves_like :io_set_pos, :seek
end
if System.get_property('platform') != 'ANDROID'
describe "IO#sysseek" do
before :each do
@io = IOSpecs.io_fixture "lines.txt"
end
after :each do
@io.close unless @io.closed?
end
it "moves the read position relative to the current position with SEEK_CUR" do
@io.sysseek(10, IO::SEEK_CUR)
@io.readline.should == "igne une.\n"
end
it "raises an error when called after buffered reads" do
@io.readline
lambda { @io.sysseek(-5, IO::SEEK_CUR) }.should raise_error(IOError)
end
#it "moves the read position relative to the start with SEEK_SET" do
# @io.sysseek(43, IO::SEEK_SET)
# @io.readline.should == "Aquí está la línea tres.\n"
#end
it "moves the read position relative to the end with SEEK_END" do
@io.sysseek(1, IO::SEEK_END)
# this is the safest way of checking the EOF when
# sys-* methods are invoked
lambda { @io.sysread(1) }.should raise_error(EOFError)
@io.sysseek(-25, IO::SEEK_END)
#@io.sysread(7).should == "cinco.\n"
end
end
end
Version data entries
52 entries across 52 versions & 2 rubygems