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1d15d5f080
* Other ruby implementations use the spec/ruby directory. [Misc #13792] [ruby-core:82287] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
44 lines
1.2 KiB
Ruby
44 lines
1.2 KiB
Ruby
# -*- encoding: utf-8 -*-
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require File.expand_path('../../../spec_helper', __FILE__)
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require File.expand_path('../fixtures/classes', __FILE__)
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require File.expand_path('../shared/pos', __FILE__)
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describe "IO#sysseek" do
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it_behaves_like :io_set_pos, :seek
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end
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describe "IO#sysseek" do
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before :each do
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@io = IOSpecs.io_fixture "lines.txt"
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end
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after :each do
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@io.close unless @io.closed?
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end
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it "moves the read position relative to the current position with SEEK_CUR" do
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@io.sysseek(10, IO::SEEK_CUR)
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@io.readline.should == "igne une.\n"
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end
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it "raises an error when called after buffered reads" do
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@io.readline
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lambda { @io.sysseek(-5, IO::SEEK_CUR) }.should raise_error(IOError)
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end
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it "moves the read position relative to the start with SEEK_SET" do
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@io.sysseek(43, IO::SEEK_SET)
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@io.readline.should == "Aquí está la línea tres.\n"
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end
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it "moves the read position relative to the end with SEEK_END" do
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@io.sysseek(1, IO::SEEK_END)
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# this is the safest way of checking the EOF when
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# sys-* methods are invoked
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lambda { @io.sysread(1) }.should raise_error(EOFError)
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@io.sysseek(-25, IO::SEEK_END)
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@io.sysread(7).should == "cinco.\n"
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end
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end
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