require_relative '../../spec_helper' require_relative '../enumerable/shared/enumeratorized' describe "Range#each" do it "passes each element to the given block by using #succ" do a = [] (-5..5).each { |i| a << i } a.should == [-5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5] a = [] ('A'..'D').each { |i| a << i } a.should == ['A','B','C','D'] a = [] ('A'...'D').each { |i| a << i } a.should == ['A','B','C'] a = [] (0xfffd...0xffff).each { |i| a << i } a.should == [0xfffd, 0xfffe] y = mock('y') x = mock('x') x.should_receive(:<=>).with(y).any_number_of_times.and_return(-1) x.should_receive(:<=>).with(x).any_number_of_times.and_return(0) x.should_receive(:succ).any_number_of_times.and_return(y) y.should_receive(:<=>).with(x).any_number_of_times.and_return(1) y.should_receive(:<=>).with(y).any_number_of_times.and_return(0) a = [] (x..y).each { |i| a << i } a.should == [x, y] end it "raises a TypeError if the first element does not respond to #succ" do lambda { (0.5..2.4).each { |i| i } }.should raise_error(TypeError) b = mock('x') (a = mock('1')).should_receive(:<=>).with(b).and_return(1) lambda { (a..b).each { |i| i } }.should raise_error(TypeError) end it "returns self" do range = 1..10 range.each{}.should equal(range) end it "returns an enumerator when no block given" do enum = (1..3).each enum.should be_an_instance_of(Enumerator) enum.to_a.should == [1, 2, 3] end it "raises a TypeError if the first element is a Time object" do t = Time.now lambda { (t..t+1).each { |i| i } }.should raise_error(TypeError) end it "passes each Symbol element by using #succ" do (:aa..:ac).each.to_a.should == [:aa, :ab, :ac] (:aa...:ac).each.to_a.should == [:aa, :ab] end it_behaves_like :enumeratorized_with_origin_size, :each, (1..3) end