diff options
Diffstat (limited to 'spec/rubyspec/shared/enumerator/with_object.rb')
-rw-r--r-- | spec/rubyspec/shared/enumerator/with_object.rb | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/spec/rubyspec/shared/enumerator/with_object.rb b/spec/rubyspec/shared/enumerator/with_object.rb new file mode 100644 index 0000000000..1830736713 --- /dev/null +++ b/spec/rubyspec/shared/enumerator/with_object.rb @@ -0,0 +1,42 @@ +require File.expand_path('../../../spec_helper', __FILE__) + +describe :enum_with_object, shared: true do + before :each do + @enum = [:a, :b].to_enum + @memo = '' + @block_params = @enum.send(@method, @memo).to_a + end + + it "receives an argument" do + @enum.method(@method).arity.should == 1 + end + + context "with block" do + it "returns the given object" do + ret = @enum.send(@method, @memo) do |elm, memo| + # nothing + end + ret.should equal(@memo) + end + + context "the block parameter" do + it "passes each element to first parameter" do + @block_params[0][0].should equal(:a) + @block_params[1][0].should equal(:b) + end + + it "passes the given object to last parameter" do + @block_params[0][1].should equal(@memo) + @block_params[1][1].should equal(@memo) + end + end + end + + context "without block" do + it "returns new Enumerator" do + ret = @enum.send(@method, @memo) + ret.should be_an_instance_of(Enumerator) + ret.should_not equal(@enum) + end + end +end |