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43 lines
965 B
Ruby
43 lines
965 B
Ruby
describe :stringio_getc, shared: true 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 "increases self's position by one" do
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@io.send(@method)
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@io.pos.should eql(1)
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@io.send(@method)
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@io.pos.should eql(2)
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@io.send(@method)
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@io.pos.should eql(3)
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end
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it "returns nil when called at the end of self" do
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@io.pos = 7
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@io.send(@method).should be_nil
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@io.send(@method).should be_nil
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@io.send(@method).should be_nil
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end
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it "does not increase self's position when called at the end of file" do
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@io.pos = 7
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@io.send(@method)
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@io.pos.should eql(7)
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@io.send(@method)
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@io.pos.should eql(7)
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end
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end
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describe :stringio_getc_not_readable, shared: true do
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it "raises an IOError" do
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io = StringIO.new("xyz", "w")
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-> { io.send(@method) }.should raise_error(IOError)
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io = StringIO.new("xyz")
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io.close_read
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-> { io.send(@method) }.should raise_error(IOError)
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end
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end
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