File: reverse_each_spec.rb

package info (click to toggle)
jruby 1.7.26-1%2Bdeb9u1
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 84,572 kB
  • sloc: ruby: 669,910; java: 253,056; xml: 35,152; ansic: 9,187; yacc: 7,267; cpp: 5,244; sh: 1,036; makefile: 345; jsp: 48; tcl: 40
file content (25 lines) | stat: -rw-r--r-- 855 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)

ruby_version_is "1.8.7" do
  describe "Enumerable#reverse_each" do
    it "traverses enum in reverse order and pass each element to block" do
      a=[]
      EnumerableSpecs::Numerous.new.reverse_each { |i| a << i }
      a.should == [4, 1, 6, 3, 5, 2]
    end

    it "returns an Enumerator if no block given" do
      enum = EnumerableSpecs::Numerous.new.reverse_each
      enum.should be_an_instance_of(enumerator_class)
      enum.to_a.should == [4, 1, 6, 3, 5, 2]
    end

    it "gathers whole arrays as elements when each yields multiple" do
      multi = EnumerableSpecs::YieldsMulti.new
      yielded = []
      multi.reverse_each {|e| yielded << e }
      yielded.should == [[6, 7, 8, 9], [3, 4, 5], [1, 2]]
    end
  end
end