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* For easier modifications of ruby/spec by MRI developers. * .gitignore: track changes under spec. * spec/mspec, spec/rubyspec: add in-tree mspec and ruby/spec. These files can therefore be updated like any other file in MRI. Instructions are provided in spec/README. [Feature #13156] [ruby-core:79246] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58595 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
36 lines
869 B
Ruby
36 lines
869 B
Ruby
require File.expand_path('../../../spec_helper', __FILE__)
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require File.expand_path('../fixtures/classes', __FILE__)
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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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lambda { @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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lambda { 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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ruby_version_is ''...'2.3' do
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lambda { io.close_write }.should raise_error(IOError)
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end
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ruby_version_is '2.3' do
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io.close_write.should == nil
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end
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end
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end
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