From b6cbd08e931d68e6ed45367b45daa6f97d816627 Mon Sep 17 00:00:00 2001
From: Jack Nagel
Date: Mon, 9 Dec 2013 19:43:07 -0600
Subject: Implement hash equality for Version

---
 Library/Homebrew/test/test_versions.rb | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'Library/Homebrew/test')

diff --git a/Library/Homebrew/test/test_versions.rb b/Library/Homebrew/test/test_versions.rb
index c4fbb86f3..86092e2d4 100644
--- a/Library/Homebrew/test/test_versions.rb
+++ b/Library/Homebrew/test/test_versions.rb
@@ -65,6 +65,20 @@ class VersionComparisonTests < Test::Unit::TestCase
                   R14B02 R14B01 R14B R13B04 R13B03 R13B02-1}.reverse
     assert_equal versions, versions.sort_by { |v| version(v) }
   end
+
+  def test_hash_equality
+    v1 = version('0.1.0')
+    v2 = version('0.1.0')
+    v3 = version('0.1.1')
+
+    assert v1.eql?(v2)
+    assert v2.eql?(v1)
+    assert !v1.eql?(v3)
+    assert_equal v1.hash, v2.hash
+
+    h = { v1 => :foo }
+    assert_equal :foo, h[v2]
+  end
 end
 
 class VersionParsingTests < Test::Unit::TestCase
-- 
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