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Diffstat (limited to 'activesupport/test/core_ext')
-rw-r--r-- | activesupport/test/core_ext/enumerable_test.rb | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/activesupport/test/core_ext/enumerable_test.rb b/activesupport/test/core_ext/enumerable_test.rb index 882111cd79..dada058d56 100644 --- a/activesupport/test/core_ext/enumerable_test.rb +++ b/activesupport/test/core_ext/enumerable_test.rb @@ -1,4 +1,5 @@ require 'test/unit' +require File.dirname(__FILE__) + '/../../lib/active_support/core_ext/symbol' require File.dirname(__FILE__) + '/../../lib/active_support/core_ext/enumerable' Payment = Struct.new(:price) @@ -24,4 +25,13 @@ class EnumerableTests < Test::Unit::TestCase assert_equal 30, payments.sum(&:price) assert_equal 60, payments.sum { |p| p.price * 2 } end + + def test_index_by + payments = [ Payment.new(5), Payment.new(15), Payment.new(10) ] + assert_equal( + {5 => payments[0], 15 => payments[1], 10 => payments[2]}, + payments.index_by(&:price) + ) + end + end |