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Contents
require File.expand_path('../../../spec_helper', __FILE__)
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
ruby_version_is "" ... "1.8.8" do
it "raises a LocalJumpError when passed no block" do
lambda { @set.classify }.should raise_error(LocalJumpError)
end
end
ruby_version_is "1.8.8" do
it "returns an Enumerator when passed no block" do
enum = @set.classify
enum.should be_an_instance_of(enumerator_class)
classified = enum.each { |x| x.length }
classified.should == { 3 => Set["one", "two"], 4 => Set["four"], 5 => Set["three"] }
end
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
Version data entries
52 entries across 52 versions & 2 rubygems