1 files changed, 29 insertions, 2 deletions
diff --git a/test/ruby/test_literal.rb b/test/ruby/test_literal.rb
index 8732d8f0d0..cff888d4b3 100644
--- a/test/ruby/test_literal.rb
+++ b/test/ruby/test_literal.rb
@@ -39,6 +39,8 @@ class TestRubyLiteral < Test::Unit::TestCase
   end
 
   def test_string
+    verbose_bak, $VERBOSE = $VERBOSE, nil # prevent syntax warnings
+
     assert_instance_of String, ?a
     assert_equal "a", ?a
     assert_instance_of String, ?A
@@ -94,6 +96,15 @@ class TestRubyLiteral < Test::Unit::TestCase
 
     assert_equal "ab", eval("?a 'b'")
     assert_equal "a\nb", eval("<<A 'b'\na\nA")
+
+    assert_raise(SyntaxError) {eval('"\C-' "\u3042" '"')}
+    assert_raise(SyntaxError) {eval('"\C-\\' "\u3042" '"')}
+    assert_raise(SyntaxError) {eval('"\M-' "\u3042" '"')}
+    assert_raise(SyntaxError) {eval('"\M-\\' "\u3042" '"')}
+
+    assert_equal "\x09 \xC9 \x89", eval('"\C-\111 \M-\111 \M-\C-\111"')
+  ensure
+    $VERBOSE = verbose_bak
   end
 
   def test_dstring
@@ -241,8 +252,9 @@ class TestRubyLiteral < Test::Unit::TestCase
   def test_dregexp
     assert_instance_of Regexp, /re#{'ge'}xp/
     assert_equal(/regexp/, /re#{'ge'}xp/)
-    bug3903 = '[ruby-core:32682]'
-    assert_raise(SyntaxError, bug3903) {eval('/[#{"\x80"}]/')}
+
+    # [ruby-core:32682]
+    eval('/[#{"\x80"}]/')
   end
 
   def test_array
@@ -590,6 +602,8 @@ class TestRubyLiteral < Test::Unit::TestCase
   end
 
   def test_integer
+    verbose_bak, $VERBOSE = $VERBOSE, nil # prevent syntax warnings
+
     head = ['', '0x', '0o', '0b', '0d', '-', '+']
     chars = ['0', '1', '_', '9', 'f']
     head.each {|h|
@@ -619,9 +633,14 @@ class TestRubyLiteral < Test::Unit::TestCase
         assert_syntax_error(h, /numeric literal without digits\Z/, "#{bug2407}: #{h.inspect}")
       end
     end
+
+  ensure
+    $VERBOSE = verbose_bak
   end
 
   def test_float
+    verbose_bak, $VERBOSE = $VERBOSE, nil # prevent syntax warnings
+
     head = ['', '-', '+']
     chars = ['0', '1', '_', '9', 'f', '.']
     head.each {|h|
@@ -658,6 +677,14 @@ class TestRubyLiteral < Test::Unit::TestCase
       }
     }
     assert_equal(100.0, 0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100e100)
+
+  ensure
+    $VERBOSE = verbose_bak
+  end
+
+  def test_rational_float
+    assert_equal(12, 0.12r * 100)
+    assert_equal(12, 0.1_2r * 100)
   end
 
   def test_symbol_list