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31 lines
676 B
Ruby
31 lines
676 B
Ruby
require_relative '../../spec_helper'
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require_relative 'fixtures/classes'
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describe "StringIO#close_write" do
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before :each do
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@io = StringIO.new("example")
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end
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it "returns nil" do
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@io.close_write.should be_nil
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end
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it "prevents further writing" do
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@io.close_write
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-> { @io.write('x') }.should raise_error(IOError)
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end
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it "allows further reading" do
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@io.close_write
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@io.read(1).should == 'e'
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end
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it "raises an IOError when in read-only mode" do
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io = StringIO.new("example", "r")
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-> { io.close_write }.should raise_error(IOError)
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io = StringIO.new("example")
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io.close_write
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io.close_write.should == nil
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end
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end
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