From a55265132b37c6fb8ac15a96b44e64a64bcd4c45 Mon Sep 17 00:00:00 2001 From: Nicholas Seckar Date: Sat, 24 Jun 2006 16:42:48 +0000 Subject: Add Enumerable#index_by git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@4491 5ecf4fe2-1ee6-0310-87b1-e25e094e27de --- activesupport/test/core_ext/enumerable_test.rb | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'activesupport/test/core_ext') 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 -- cgit v1.2.3