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
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
describe :enumerable_collect, :shared => true do
before :each do
ScratchPad.record []
end
it "returns a new array with the results of passing each element to block" do
entries = [0, 1, 3, 4, 5, 6]
numerous = EnumerableSpecs::Numerous.new(*entries)
numerous.send(@method) { |i| i % 2 }.should == [0, 1, 1, 0, 1, 0]
numerous.send(@method) { |i| i }.should == entries
end
ruby_version_is "1.8.7" do
it "passes through the values yielded by #each_with_index" do
[:a, :b].each_with_index.send(@method) { |x, i| ScratchPad << [x, i]; nil }
ScratchPad.recorded.should == [[:a, 0], [:b, 1]]
end
end
ruby_version_is ""..."1.9" do
it "gathers whole arrays as elements when each yields multiple" do
multi = EnumerableSpecs::YieldsMulti.new
multi.send(@method) {|e| e}.should == [[1,2],[3,4,5],[6,7,8,9]]
end
it "returns to_a when no block given" do
EnumerableSpecs::Numerous.new.send(@method).should == [2, 5, 3, 6, 1, 4]
end
end
ruby_version_is "1.9" do
it "gathers initial args as elements when each yields multiple" do
multi = EnumerableSpecs::YieldsMulti.new
multi.send(@method) {|e| e}.should == [1,3,6]
end
it "returns an enumerator when no block given" do
enum = EnumerableSpecs::Numerous.new.send(@method)
enum.should be_an_instance_of(enumerator_class)
enum.each { |i| -i }.should == [-2, -5, -3, -6, -1, -4]
end
end
end
|
