From dc215dcd9f96620b7c06a25a741d13b19c2f130b Mon Sep 17 00:00:00 2001
From: marcandre <marcandre@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 23 Oct 2013 15:10:48 +0000
Subject: * array.c: Add Array#to_h [Feature #7292]

* enum.c: Add Enumerable#to_h

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43401 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_array.rb | 15 +++++++++++++++
 test/ruby/test_enum.rb  | 27 +++++++++++++++++++++++++++
 2 files changed, 42 insertions(+)

(limited to 'test/ruby')

diff --git a/test/ruby/test_array.rb b/test/ruby/test_array.rb
index f4faa9bedc..d7e1c365dd 100644
--- a/test/ruby/test_array.rb
+++ b/test/ruby/test_array.rb
@@ -1456,6 +1456,21 @@ class TestArray < Test::Unit::TestCase
     $, = nil
   end
 
+  def test_to_h
+    kvp = Object.new
+    def kvp.to_ary
+      [:obtained, :via_to_ary]
+    end
+    array = [
+      [:key, :value],
+      [:ignore_me],
+      [:ignore, :me, :too],
+      :ignore_me,
+      kvp,
+    ]
+    assert_equal({key: :value, obtained: :via_to_ary}, array.to_h)
+  end
+
   def test_uniq
     a = []
     b = a.uniq
diff --git a/test/ruby/test_enum.rb b/test/ruby/test_enum.rb
index ea873a4069..b86ae274d1 100644
--- a/test/ruby/test_enum.rb
+++ b/test/ruby/test_enum.rb
@@ -103,6 +103,33 @@ class TestEnumerable < Test::Unit::TestCase
     assert_equal([1, 2, 3, 1, 2], @obj.to_a)
   end
 
+  def test_to_h
+    assert_equal({}, @obj.to_h)
+    obj = Object.new
+    def obj.each(*args)
+      yield args
+      yield [:key, :value]
+      yield [:ignore_me]
+      yield [:ignore, :me, :too]
+      yield :other_key, :other_value
+      yield :ignore_me
+      yield :ignore, :me, :too
+      yield
+      kvp = Object.new
+      def kvp.to_ary
+        [:obtained, :via_to_ary]
+      end
+      yield kvp
+    end
+    obj.extend Enumerable
+    assert_equal({
+      :hello => :world,
+      :key => :value,
+      :other_key => :other_value,
+      :obtained => :via_to_ary,
+    }, obj.to_h(:hello, :world))
+  end
+
   def test_inject
     assert_equal(12, @obj.inject {|z, x| z * x })
     assert_equal(48, @obj.inject {|z, x| z * 2 + x })
-- 
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