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
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
require_relative '../../enumerable/shared/enumeratorized'
describe :keep_if, shared: true do
it "deletes elements for which the block returns a false value" do
array = [1, 2, 3, 4, 5]
array.send(@method) {|item| item > 3 }.should equal(array)
array.should == [4, 5]
end
it "returns an enumerator if no block is given" do
[1, 2, 3].send(@method).should be_an_instance_of(Enumerator)
end
it "updates the receiver after all blocks" do
a = [1, 2, 3]
a.send(@method) do |e|
a.length.should == 3
false
end
a.length.should == 0
end
before :all do
@object = [1,2,3]
end
it_should_behave_like :enumeratorized_with_origin_size
describe "on frozen objects" do
before :each do
@origin = [true, false]
@frozen = @origin.dup.freeze
end
it "returns an Enumerator if no block is given" do
@frozen.send(@method).should be_an_instance_of(Enumerator)
end
describe "with truthy block" do
it "keeps elements after any exception" do
-> { @frozen.send(@method) { true } }.should raise_error(Exception)
@frozen.should == @origin
end
it "raises a FrozenError" do
-> { @frozen.send(@method) { true } }.should raise_error(FrozenError)
end
end
describe "with falsy block" do
it "keeps elements after any exception" do
-> { @frozen.send(@method) { false } }.should raise_error(Exception)
@frozen.should == @origin
end
it "raises a FrozenError" do
-> { @frozen.send(@method) { false } }.should raise_error(FrozenError)
end
end
end
end
|
