diff options
Diffstat (limited to 'spec/rubyspec/core/enumerator/lazy/zip_spec.rb')
-rw-r--r-- | spec/rubyspec/core/enumerator/lazy/zip_spec.rb | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/spec/rubyspec/core/enumerator/lazy/zip_spec.rb b/spec/rubyspec/core/enumerator/lazy/zip_spec.rb deleted file mode 100644 index 9c728364ce..0000000000 --- a/spec/rubyspec/core/enumerator/lazy/zip_spec.rb +++ /dev/null @@ -1,74 +0,0 @@ -# -*- encoding: us-ascii -*- - -require File.expand_path('../../../../spec_helper', __FILE__) -require File.expand_path('../fixtures/classes', __FILE__) - -describe "Enumerator::Lazy#zip" do - before :each do - @yieldsmixed = EnumeratorLazySpecs::YieldsMixed.new.to_enum.lazy - @eventsmixed = EnumeratorLazySpecs::EventsMixed.new.to_enum.lazy - ScratchPad.record [] - end - - after :each do - ScratchPad.clear - end - - it "returns a new instance of Enumerator::Lazy" do - ret = @yieldsmixed.zip [] - ret.should be_an_instance_of(Enumerator::Lazy) - ret.should_not equal(@yieldsmixed) - end - - it "keeps size" do - Enumerator::Lazy.new(Object.new, 100) {}.zip([], []).size.should == 100 - end - - describe "when the returned lazy enumerator is evaluated by Enumerable#first" do - it "stops after specified times" do - (0..Float::INFINITY).lazy.zip([4, 5], [8]).first(2).should == [[0, 4, 8], [1, 5, nil]] - - @eventsmixed.zip([0, 1]).first(1) - ScratchPad.recorded.should == [:before_yield] - end - end - - it "calls the block with a gathered array when yield with multiple arguments" do - yields = @yieldsmixed.zip(EnumeratorLazySpecs::YieldsMixed.new.to_enum).force - yields.should == [EnumeratorLazySpecs::YieldsMixed.gathered_yields, - EnumeratorLazySpecs::YieldsMixed.gathered_yields].transpose - end - - it "returns a Lazy when no arguments given" do - @yieldsmixed.zip.should be_an_instance_of(Enumerator::Lazy) - end - - it "raises a TypeError if arguments contain non-list object" do - lambda { @yieldsmixed.zip [], Object.new, [] }.should raise_error(TypeError) - end - - describe "on a nested Lazy" do - it "keeps size" do - Enumerator::Lazy.new(Object.new, 100) {}.map {}.zip([], []).size.should == 100 - end - - it "behaves as Enumerable#zip when given a block" do - lazy_yields = [] - lazy_ret = @yieldsmixed.zip(EnumeratorLazySpecs::YieldsMixed.new.to_enum) { |lists| lazy_yields << lists } - enum_yields = [] - enum_ret = EnumeratorLazySpecs::YieldsMixed.new.to_enum.zip(EnumeratorLazySpecs::YieldsMixed.new.to_enum) { |lists| enum_yields << lists } - - lazy_yields.should == enum_yields - lazy_ret.should == enum_ret - end - - describe "when the returned lazy enumerator is evaluated by Enumerable#first" do - it "stops after specified times" do - (0..Float::INFINITY).lazy.map(&:succ).zip([4, 5], [8]).first(2).should == [[1, 4, 8], [2, 5, nil]] - - @eventsmixed.zip([0, 1]).zip([0, 1]).first(1) - ScratchPad.recorded.should == [:before_yield] - end - end - end -end |