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describe :argf_each_char, shared: true do
before :each do
@file1_name = fixture __FILE__, "file1.txt"
@file2_name = fixture __FILE__, "file2.txt"
@chars = []
File.read(@file1_name).each_char { |c| @chars << c }
File.read(@file2_name).each_char { |c| @chars << c }
end
it "yields each char of all streams to the passed block" do
argf [@file1_name, @file2_name] do
chars = []
@argf.send(@method) { |c| chars << c }
chars.should == @chars
end
end
it "returns self when passed a block" do
argf [@file1_name, @file2_name] do
@argf.send(@method) {}.should equal(@argf)
end
end
it "returns an Enumerator when passed no block" do
argf [@file1_name, @file2_name] do
enum = @argf.send(@method)
enum.should be_an_instance_of(Enumerator)
chars = []
enum.each { |c| chars << c }
chars.should == @chars
end
end
describe "when no block is given" do
it "returns an Enumerator" do
argf [@file1_name, @file2_name] do
enum = @argf.send(@method)
enum.should be_an_instance_of(Enumerator)
chars = []
enum.each { |c| chars << c }
chars.should == @chars
end
end
describe "returned Enumerator" do
describe "size" do
it "should return nil" do
argf [@file1_name, @file2_name] do
@argf.send(@method).size.should == nil
end
end
end
end
end
end
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