From a1ad7b51f578dfd5f28f5c11957f03027c03e81b Mon Sep 17 00:00:00 2001
From: normal <normal@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 14 Oct 2014 21:52:56 +0000
Subject: [PATCH] test/ruby/test_optimization.rb: redefinition tests for String

* test/ruby/test_optimization.rb (test_string_eq_neq): new test
  (test_string_ltlt): ditto

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47921 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog                      |  5 +++++
 test/ruby/test_optimization.rb | 19 +++++++++++++++++++
 2 files changed, 24 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index 1cec597f5c..1cf391c8dd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Wed Oct 15 06:51:13 2014  Eric Wong  <e@80x24.org>
+
+	* test/ruby/test_optimization.rb (test_string_eq_neq): new test
+	  (test_string_ltlt): ditto
+
 Wed Oct 15 06:50:29 2014  Eric Wong  <e@80x24.org>
 
 	* test/ruby/test_optimization.rb (test_hash_aset_with):
diff --git a/test/ruby/test_optimization.rb b/test/ruby/test_optimization.rb
index 40b1cbaa7b..2f9c0f6d22 100644
--- a/test/ruby/test_optimization.rb
+++ b/test/ruby/test_optimization.rb
@@ -116,6 +116,25 @@ class TestRubyOptimization < Test::Unit::TestCase
     assert_redefine_method('String', 'freeze', 'assert_nil "foo".freeze')
   end
 
+  def test_string_eq_neq
+    %w(== !=).each do |m|
+      assert_redefine_method('String', m, <<-end)
+        assert_equal :b, ("a" #{m} "b").to_sym
+        b = 'b'
+        assert_equal :b, ("a" #{m} b).to_sym
+        assert_equal :b, (b #{m} "b").to_sym
+      end
+    end
+  end
+
+  def test_string_ltlt
+    assert_equal "", "" << ""
+    assert_equal "x", "x" << ""
+    assert_equal "x", "" << "x"
+    assert_equal "ab", "a" << "b"
+    assert_redefine_method('String', '<<', 'assert_equal "b", "a" << "b"')
+  end
+
   def test_array_plus
     assert_equal [1,2], [1]+[2]
     assert_redefine_method('Array', '+', 'assert_equal [2], [1]+[2]')