From 7ad29955a6afbe8ce03eeee376be2bfa792cd198 Mon Sep 17 00:00:00 2001
From: yugui <yugui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 3 May 2011 09:31:13 +0000
Subject: [PATCH] * test/date/test_date.rb (TestDate#test_coerce):   test for
 [ruby-core:35127].

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31414 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog              |  5 +++++
 test/date/test_date.rb | 21 +++++++++++++++++++++
 2 files changed, 26 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index 53db59943c..626e5efd02 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Tue May  3 18:23:57 2011  Yuki Sonoda (Yugui)  <yugui@yugui.jp>
+
+	* test/date/test_date.rb (TestDate#test_coerce):
+	  test for [ruby-core:35127].
+
 Tue May  3 04:27:53 2011  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* thread.c (rb_thread_select): preserve errno if no error
diff --git a/test/date/test_date.rb b/test/date/test_date.rb
index 86790e4cde..2c30e6483b 100644
--- a/test/date/test_date.rb
+++ b/test/date/test_date.rb
@@ -113,6 +113,27 @@ class TestDate < Test::Unit::TestCase
     assert_equal(d2, dt2)
   end
 
+  def test_coerce
+    bug4375 = '[ruby-core:35127]'
+    d = Date.jd(0)
+    d2 = Date.jd(1)
+    others = [1, d2, Date::Infinity.new, nil, Object.new]
+    assert_nothing_raised(bug4375) {
+      others.each do |o|
+        case o
+        when d
+          flunk("expected not to match")
+        end
+      end
+    }
+    assert_nothing_raised(bug4375) {
+      case d
+      when *others
+        flunk("expected not to match")
+      end
+    }
+  end
+
   def test_hash
     h = {}
     h[Date.new(1999,5,23)] = 0