hsbt	2016-01-25 09:39:26 +0900 (Mon, 25 Jan 2016)

  New Revision: 53649

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=53649

  Log:
    * test/ruby/test_string.rb: added testcase for next!, succ and succ!
      [fix GH-1213] Patch by @K0mAtoru

  Modified files:
    trunk/ChangeLog
    trunk/test/ruby/test_string.rb
Index: test/ruby/test_string.rb
===================================================================
--- test/ruby/test_string.rb	(revision 53648)
+++ test/ruby/test_string.rb	(revision 53649)
@@ -995,6 +995,9 @@ class TestString < Test::Unit::TestCase https://github.com/ruby/ruby/blob/trunk/test/ruby/test_string.rb#L995
     assert_equal(S("AAAAA000"), S("ZZZZ999").next)
 
     assert_equal(S("*+"), S("**").next)
+
+    assert_equal(S("!"), S(" ").next)
+    assert_equal(S(""), S("").next)
   end
 
   def test_next!
@@ -1031,6 +1034,10 @@ class TestString < Test::Unit::TestCase https://github.com/ruby/ruby/blob/trunk/test/ruby/test_string.rb#L1034
     a = S("**")
     assert_equal(S("*+"), a.next!)
     assert_equal(S("*+"), a)
+
+    a = S(" ")
+    assert_equal(S("!"), a.next!)
+    assert_equal(S("!"), a)
   end
 
   def test_oct
@@ -1541,6 +1548,9 @@ class TestString < Test::Unit::TestCase https://github.com/ruby/ruby/blob/trunk/test/ruby/test_string.rb#L1548
     assert_equal("2000aaa", "1999zzz".succ)
     assert_equal("AAAA0000", "ZZZ9999".succ)
     assert_equal("**+", "***".succ)
+
+    assert_equal("!", " ".succ)
+    assert_equal("", "".succ)
   end
 
   def test_succ!
@@ -1582,6 +1592,14 @@ class TestString < Test::Unit::TestCase https://github.com/ruby/ruby/blob/trunk/test/ruby/test_string.rb#L1592
     assert_equal(S("No.10"), a.succ!)
     assert_equal(S("No.10"), a)
 
+    a = S(" ")
+    assert_equal(S("!"), a.succ!)
+    assert_equal(S("!"), a)
+
+    a = S("")
+    assert_equal(S(""), a.succ!)
+    assert_equal(S(""), a)
+
     assert_equal("aaaaaaaaaaaa", "zzzzzzzzzzz".succ!)
     assert_equal("aaaaaaaaaaaaaaaaaaaaaaaa", "zzzzzzzzzzzzzzzzzzzzzzz".succ!)
   end
Index: ChangeLog
===================================================================
--- ChangeLog	(revision 53648)
+++ ChangeLog	(revision 53649)
@@ -1,3 +1,8 @@ https://github.com/ruby/ruby/blob/trunk/ChangeLog#L1
+Mon Jan 25 09:38:26 2016  SHIBATA Hiroshi  <hsbt@r...>
+
+	* test/ruby/test_string.rb: added testcase for next!, succ and succ!
+	  [fix GH-1213] Patch by @K0mAtoru
+
 Mon Jan 25 09:32:25 2016  SHIBATA Hiroshi  <hsbt@r...>
 
 	* lib/webrick/httpservlet/filehandler.rb: fix documentation for namespace.

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