blob: ec600c91d64d005eec63452917c11de3954f0228 (
plain)
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
|
require_relative '../../spec_helper'
require 'set'
describe "Set#classify" do
before :each do
@set = Set["one", "two", "three", "four"]
end
it "yields each Object in self" do
res = []
@set.classify { |x| res << x }
res.sort.should == ["one", "two", "three", "four"].sort
end
it "returns an Enumerator when passed no block" do
enum = @set.classify
enum.should be_an_instance_of(Enumerator)
classified = enum.each { |x| x.length }
classified.should == { 3 => Set["one", "two"], 4 => Set["four"], 5 => Set["three"] }
end
it "classifies the Objects in self based on the block's return value" do
classified = @set.classify { |x| x.length }
classified.should == { 3 => Set["one", "two"], 4 => Set["four"], 5 => Set["three"] }
end
end
|
