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# -*- encoding: ascii-8bit -*-
describe :io_putc, :shared => true do
after :each do
@io.close unless @io.closed?
@io_object = nil
rm_r @name
end
describe "with a Fixnum argument" do
it "writes one character as a String" do
@io.should_receive(:write).with("A")
@io_object.send(@method, 65).should == 65
end
it "writes the low byte as a String" do
@io.should_receive(:write).with("A")
@io_object.send(@method, 0x2441).should == 0x2441
end
end
describe "with a String argument" do
it "writes one character" do
@io.should_receive(:write).with("B")
@io_object.send(@method, "B").should == "B"
end
it "writes the first character" do
@io.should_receive(:write).with("R")
@io_object.send(@method, "Ruby").should == "Ruby"
end
end
it "calls #to_int to convert an object to a Integer" do
obj = mock("kernel putc")
obj.should_receive(:to_int).and_return(65)
@io.should_receive(:write).with("A")
@io_object.send(@method, obj).should == obj
end
it "raises IOError on a closed stream" do
@io.close
lambda { @io_object.send(@method, "a") }.should raise_error(IOError)
end
it "raises an TypeError when passed nil" do
lambda { @io_object.send(@method, nil) }.should raise_error(TypeError)
end
it "raises an TypeError when passed false" do
lambda { @io_object.send(@method, false) }.should raise_error(TypeError)
end
it "raises an TypeError when passed true" do
lambda { @io_object.send(@method, true) }.should raise_error(TypeError)
end
end
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