From 0361414ae328c10de8ed778e826d8244ba0aa63a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jos=C3=A9=20Valim=20and=20Mikel=20Lindsaar?= Date: Sun, 24 Jan 2010 23:28:52 +0100 Subject: Add uniq_by and uniq_by! to Array. --- activesupport/test/core_ext/array_ext_test.rb | 26 +++++++++++++++++++++++--- 1 file changed, 23 insertions(+), 3 deletions(-) (limited to 'activesupport/test') diff --git a/activesupport/test/core_ext/array_ext_test.rb b/activesupport/test/core_ext/array_ext_test.rb index f5f91ddd80..6f3b28682a 100644 --- a/activesupport/test/core_ext/array_ext_test.rb +++ b/activesupport/test/core_ext/array_ext_test.rb @@ -51,9 +51,7 @@ class ArrayExtToParamTests < Test::Unit::TestCase end end -class ArrayExtToSentenceTests < Test::Unit::TestCase - include ActiveSupport::Testing::Deprecation - +class ArrayExtToSentenceTests < ActiveSupport::TestCase def test_plain_array_to_sentence assert_equal "", [].to_sentence assert_equal "one", ['one'].to_sentence @@ -320,6 +318,28 @@ class ArrayExtractOptionsTests < Test::Unit::TestCase end end +class ArrayUniqByTests < Test::Unit::TestCase + def test_uniq_by + assert_equal [1,2], [1,2,3,4].uniq_by { |i| i.odd? } + assert_equal [1,2], [1,2,3,4].uniq_by(&:even?) + assert_equal (-5..0).to_a, (-5..5).to_a.uniq_by{ |i| i**2 } + end + + def test_uniq_by! + a = [1,2,3,4] + a.uniq_by! { |i| i.odd? } + assert_equal [1,2], a + + a = [1,2,3,4] + a.uniq_by! { |i| i.even? } + assert_equal [1,2], a + + a = (-5..5).to_a + a.uniq_by! { |i| i**2 } + assert_equal (-5..0).to_a, a + end +end + class ArrayExtRandomTests < Test::Unit::TestCase def test_random_element_from_array assert_nil [].rand -- cgit v1.2.3