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require_relative '../../spec_helper'
require_relative 'fixtures/classes'
describe "IO#autoclose?" do
before :each do
@io = IOSpecs.io_fixture "lines.txt"
end
after :each do
@io.autoclose = true unless @io.closed?
@io.close unless @io.closed?
end
it "is set to true by default" do
@io.should.autoclose?
end
it "cannot be queried on a closed IO object" do
@io.close
-> { @io.autoclose? }.should raise_error(IOError, /closed stream/)
end
end
describe "IO#autoclose=" do
before :each do
@io = IOSpecs.io_fixture "lines.txt"
end
after :each do
@io.autoclose = true unless @io.closed?
@io.close unless @io.closed?
end
it "can be set to true" do
@io.autoclose = false
@io.autoclose = true
@io.should.autoclose?
end
it "can be set to false" do
@io.autoclose = true
@io.autoclose = false
@io.should_not.autoclose?
end
it "can be set to any truthy value" do
@io.autoclose = false
@io.autoclose = 42
@io.should.autoclose?
@io.autoclose = false
@io.autoclose = Object.new
@io.should.autoclose?
end
it "can be set to any falsy value" do
@io.autoclose = true
@io.autoclose = nil
@io.should_not.autoclose?
end
it "can be set multiple times" do
@io.autoclose = true
@io.should.autoclose?
@io.autoclose = false
@io.should_not.autoclose?
@io.autoclose = true
@io.should.autoclose?
end
it "cannot be set on a closed IO object" do
@io.close
-> { @io.autoclose = false }.should raise_error(IOError, /closed stream/)
end
end
|
