Sha256: 20a236e2f7539efbb99ea40fdb08e3060303181fed70a2fc00b7cfc51c6f1ef1
Contents?: true
Size: 998 Bytes
Versions: 39
Compression:
Stored size: 998 Bytes
Contents
require 'test_helper'
class EnumeratorTest < Test::Unit::TestCase
context "Enumerator" do
context "#with_object" do
should "conform to doc" do
animals = %w(cat dog wombat).to_enum
hash = animals.with_object({}).each do |item, memo|
memo[item] = item.upcase.reverse
end
assert_equal({"cat"=>"TAC", "dog"=>"GOD", "wombat"=>"TABMOW"}, hash)
end
end
context "#new" do
should "should accept block" do
enum = Enumerator.new do |yielder|
yielder.yield "This syntax is"
yielder.yield "cool!"
end
assert enum.is_a?(Enumerator)
2.times do
assert_equal ["This syntax is", "cool!"], enum.to_a
end
end
end
context "#next" do
should "conform to doc" do
enum = [10, 20].to_enum
assert_equal 10, enum.next
assert_equal 20, enum.next
assert_raise(StopIteration){ enum.next}
end
end
end
end
Version data entries
39 entries across 39 versions & 2 rubygems