diff options
Diffstat (limited to 'activesupport/test/core_ext/enumerable_test.rb')
| -rw-r--r-- | activesupport/test/core_ext/enumerable_test.rb | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/activesupport/test/core_ext/enumerable_test.rb b/activesupport/test/core_ext/enumerable_test.rb index 98f3f2f242..cdfa991a34 100644 --- a/activesupport/test/core_ext/enumerable_test.rb +++ b/activesupport/test/core_ext/enumerable_test.rb @@ -8,6 +8,8 @@ class SummablePayment < Payment end class EnumerableTests < Test::Unit::TestCase + Enumerator = [].each.class + class GenericEnumerable include Enumerable def initialize(values = [1, 2, 3]) @@ -28,7 +30,8 @@ class EnumerableTests < Test::Unit::TestCase people << p end - grouped = GenericEnumerable.new(objects).group_by { |object| object.name } + enum = GenericEnumerable.new(objects) + grouped = enum.group_by { |object| object.name } grouped.each do |name, group| assert group.all? { |person| person.name == name } @@ -36,6 +39,8 @@ class EnumerableTests < Test::Unit::TestCase assert_equal objects.uniq.map(&:name), grouped.keys assert({}.merge(grouped), "Could not convert ActiveSupport::OrderedHash into Hash") + assert_equal Enumerator, enum.group_by.class + assert_equal grouped, enum.group_by.each(&:name) end def test_sums @@ -85,12 +90,18 @@ class EnumerableTests < Test::Unit::TestCase enum = GenericEnumerable.new(%w(foo bar)) result = enum.each_with_object({}) { |str, hsh| hsh[str] = str.upcase } assert_equal({'foo' => 'FOO', 'bar' => 'BAR'}, result) + assert_equal Enumerator, enum.each_with_object({}).class + result2 = enum.each_with_object({}).each{|str, hsh| hsh[str] = str.upcase} + assert_equal result, result2 end def test_index_by payments = GenericEnumerable.new([ Payment.new(5), Payment.new(15), Payment.new(10) ]) assert_equal({ 5 => Payment.new(5), 15 => Payment.new(15), 10 => Payment.new(10) }, payments.index_by { |p| p.price }) + assert_equal Enumerator, payments.index_by.class + assert_equal({ 5 => Payment.new(5), 15 => Payment.new(15), 10 => Payment.new(10) }, + payments.index_by.each { |p| p.price }) end def test_many |