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Diffstat (limited to 'spec/rubyspec/core/numeric/step_spec.rb')
| -rw-r--r-- | spec/rubyspec/core/numeric/step_spec.rb | 163 |
1 files changed, 0 insertions, 163 deletions
diff --git a/spec/rubyspec/core/numeric/step_spec.rb b/spec/rubyspec/core/numeric/step_spec.rb deleted file mode 100644 index 256c150d4e..0000000000 --- a/spec/rubyspec/core/numeric/step_spec.rb +++ /dev/null @@ -1,163 +0,0 @@ -require File.expand_path('../../../spec_helper', __FILE__) -require File.expand_path('../fixtures/classes', __FILE__) -require File.expand_path('../shared/step', __FILE__) - -describe "Numeric#step" do - - describe 'with positional args' do - it "raises an ArgumentError when step is 0" do - lambda { 1.step(5, 0) {} }.should raise_error(ArgumentError) - end - - it "raises an ArgumentError when step is 0.0" do - lambda { 1.step(2, 0.0) {} }.should raise_error(ArgumentError) - end - - before :all do - # This lambda definition limits to return the arguments it receives. - # It's needed to test numeric_step behaviour with positional arguments. - @step_args = ->(*args) { args } - end - - it_behaves_like :numeric_step, :step - - describe "when no block is given" do - it "returns an Enumerator when step is 0" do - 1.step(5, 0).should be_an_instance_of(Enumerator) - end - - it "returns an Enumerator when step is 0.0" do - 1.step(2, 0.0).should be_an_instance_of(Enumerator) - end - - describe "returned Enumerator" do - describe "size" do - it "raises an ArgumentError when step is 0" do - enum = 1.step(5, 0) - lambda { enum.size }.should raise_error(ArgumentError) - end - - it "raises an ArgumentError when step is 0.0" do - enum = 1.step(2, 0.0) - lambda { enum.size }.should raise_error(ArgumentError) - end - end - end - end - - end - - describe 'with keyword arguments' do - it "doesn't raise an error when step is 0" do - lambda { 1.step(to: 5, by: 0) { break } }.should_not raise_error - end - - it "doesn't raise an error when step is 0.0" do - lambda { 1.step(to: 2, by: 0.0) { break } }.should_not raise_error - end - - it "should loop over self when step is 0 or 0.0" do - 1.step(to: 2, by: 0.0).take(5).should eql [1.0, 1.0, 1.0, 1.0, 1.0] - 1.step(to: 2, by: 0).take(5).should eql [1, 1, 1, 1, 1] - 1.1.step(to: 2, by: 0).take(5).should eql [1.1, 1.1, 1.1, 1.1, 1.1] - end - - describe "when no block is given" do - describe "returned Enumerator" do - describe "size" do - it "should return infinity_value when limit is nil" do - 1.step(by: 42).size.should == infinity_value - end - - it "should return infinity_value when step is 0" do - 1.step(to: 5, by: 0).size.should == infinity_value - end - - it "should return infinity_value when step is 0.0" do - 1.step(to: 2, by: 0.0).size.should == infinity_value - end - - it "should return infinity_value when ascending towards a limit of Float::INFINITY" do - 1.step(to: Float::INFINITY, by: 42).size.should == infinity_value - end - - it "should return infinity_value when decending towards a limit of -Float::INFINITY" do - 1.step(to: -Float::INFINITY, by: -42).size.should == infinity_value - end - - it "should return 1 when the both limit and step are Float::INFINITY" do - 1.step(to: Float::INFINITY, by: Float::INFINITY).size.should == 1 - end - - it "should return 1 when the both limit and step are -Float::INFINITY" do - 1.step(to: -Float::INFINITY, by: -Float::INFINITY).size.should == 1 - end - end - end - end - - before :all do - # This lambda transforms a positional step method args into - # keyword arguments. - # It's needed to test numeric_step behaviour with keyword arguments. - @step_args = ->(*args) do - kw_args = {to: args[0]} - kw_args[:by] = args[1] if args.size == 2 - [kw_args] - end - end - it_behaves_like :numeric_step, :step - end - - describe 'with mixed arguments' do - it "doesn't raise an error when step is 0" do - lambda { 1.step(5, by: 0) { break } }.should_not raise_error - end - - it "doesn't raise an error when step is 0.0" do - lambda { 1.step(2, by: 0.0) { break } }.should_not raise_error - end - - it "raises a ArgumentError when limit and to are defined" do - lambda { 1.step(5, 1, to: 5) { break } }.should raise_error(ArgumentError) - end - - it "raises a ArgumentError when step and by are defined" do - lambda { 1.step(5, 1, by: 5) { break } }.should raise_error(ArgumentError) - end - - it "should loop over self when step is 0 or 0.0" do - 1.step(2, by: 0.0).take(5).should eql [1.0, 1.0, 1.0, 1.0, 1.0] - 1.step(2, by: 0).take(5).should eql [1, 1, 1, 1, 1] - 1.1.step(2, by: 0).take(5).should eql [1.1, 1.1, 1.1, 1.1, 1.1] - end - - describe "when no block is given" do - describe "returned Enumerator" do - describe "size" do - it "should return infinity_value when step is 0" do - 1.step(5, by: 0).size.should == infinity_value - end - - it "should return infinity_value when step is 0.0" do - 1.step(2, by: 0.0).size.should == infinity_value - end - end - end - end - before :all do - # This lambda definition transforms a positional step method args into - # a mix of positional and keyword arguments. - # It's needed to test numeric_step behaviour with positional mixed with - # keyword arguments. - @step_args = ->(*args) do - if args.size == 2 - [args[0], {by: args[1]}] - else - args - end - end - end - it_behaves_like :numeric_step, :step - end -end |
