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describe :argf_each_codepoint, shared: true do
before :each do
file1_name = fixture __FILE__, "file1.txt"
file2_name = fixture __FILE__, "file2.txt"
@filenames = [file1_name, file2_name]
@codepoints = File.read(file1_name).codepoints
@codepoints.concat File.read(file2_name).codepoints
end
it "is a public method" do
argf @filenames do
@argf.public_methods(false).should include(@method)
end
end
it "does not require arguments" do
argf @filenames do
@argf.method(@method).arity.should == 0
end
end
it "returns self when passed a block" do
argf @filenames do
@argf.send(@method) {}.should equal(@argf)
end
end
it "returns an Enumerator when passed no block" do
argf @filenames do
@argf.send(@method).should be_an_instance_of(Enumerator)
end
end
it "yields each codepoint of all streams" do
argf @filenames do
@argf.send(@method).to_a.should == @codepoints
end
end
describe "when no block is given" do
it "returns an Enumerator" do
argf @filenames do
@argf.send(@method).should be_an_instance_of(Enumerator)
end
end
describe "returned Enumerator" do
describe "size" do
it "should return nil" do
argf @filenames do
@argf.send(@method).size.should == nil
end
end
end
end
end
end
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