From 871e9d175e07e364802f00c945cec56ef42084df Mon Sep 17 00:00:00 2001
From: matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 3 Mar 2010 09:44:44 +0000
Subject: * hash.c (rb_hash_select_bang): add #select! and keep_if to Hash.

* hash.c (env_select_bang): ..and to ENV.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@26803 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_hash.rb | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'test/ruby/test_hash.rb')

diff --git a/test/ruby/test_hash.rb b/test/ruby/test_hash.rb
index 79ce095733..519da6e451 100644
--- a/test/ruby/test_hash.rb
+++ b/test/ruby/test_hash.rb
@@ -290,6 +290,13 @@ class TestHash < Test::Unit::TestCase
     assert_equal(base.size, n)
   end
 
+  def test_delete_if
+    h = {1=>2,3=>4,5=>6}
+    assert_equal({3=>4,5=>6}, h.keep_if {|k, v| k + v >= 7 })
+    h = {1=>2,3=>4,5=>6}
+    assert_equal({1=>2,3=>4,5=>6}, h.keep_if{true})
+  end
+
   def test_dup
     for taint in [ false, true ]
       for untrust in [ false, true ]
@@ -736,6 +743,14 @@ class TestHash < Test::Unit::TestCase
     assert_equal({3=>4,5=>6}, {1=>2,3=>4,5=>6}.select {|k, v| k + v >= 7 })
   end
 
+  def test_select!
+    h = {1=>2,3=>4,5=>6}
+    assert_equal(h, h.select! {|k, v| k + v >= 7 })
+    assert_equal({3=>4,5=>6}, h)
+    h = {1=>2,3=>4,5=>6}
+    assert_equal(nil, h.select!{true})
+  end
+
   def test_clear2
     assert_equal({}, {1=>2,3=>4,5=>6}.clear)
     h = {1=>2,3=>4,5=>6}
-- 
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