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