diff options
Diffstat (limited to 'spec/ruby/core/enumerator/lazy/filter_map_spec.rb')
-rw-r--r-- | spec/ruby/core/enumerator/lazy/filter_map_spec.rb | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/spec/ruby/core/enumerator/lazy/filter_map_spec.rb b/spec/ruby/core/enumerator/lazy/filter_map_spec.rb new file mode 100644 index 0000000000..99dd59cebe --- /dev/null +++ b/spec/ruby/core/enumerator/lazy/filter_map_spec.rb @@ -0,0 +1,14 @@ +# -*- encoding: us-ascii -*- + +require_relative '../../../spec_helper' +require_relative 'fixtures/classes' + +describe "Enumerator::Lazy#filter_map" do + it "maps only truthy results" do + (1..Float::INFINITY).lazy.filter_map { |i| i if i.odd? }.first(4).should == [1, 3, 5, 7] + end + + it "does not map false results" do + (1..Float::INFINITY).lazy.filter_map { |i| i.odd? ? i : false }.first(4).should == [1, 3, 5, 7] + end +end |