Clean warnings: unused variables.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28398 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

5 files changed, 7 insertions, 6 deletions

diff --git a/test/ripper/test_parser_events.rb b/test/ripper/test_parser_events.rb
index 2ac623f76d..5d76941411 100644
--- a/test/ripper/test_parser_events.rb
+++ b/test/ripper/test_parser_events.rb
@@ -1097,8 +1097,8 @@ class TestRipper::ParserEvents < Test::Unit::TestCase
     assert_equal("[fcall(proc,[],&block([],[void()]))]", parse("proc{|;y|}"))
     if defined?(Process::RLIMIT_AS)
       assert_in_out_err(["-I#{File.dirname(__FILE__)}", "-rdummyparser"],
-                        'Process.setrlimit(Process::RLIMIT_AS,102400); puts DummyParser.new("proc{|;y|}").parse',
-                        ["[fcall(proc,[],&block([],[void()]))]"], [], '[ruby-dev:39423]')
+                        'Process.setrlimit(Process::RLIMIT_AS,102400); puts DummyParser.new("proc{|;y|!y}").parse',
+                        ["[fcall(proc,[],&block([],[unary(!,ref(y))]))]"], [], '[ruby-dev:39423]')
     end
   end
 
diff --git a/test/ruby/test_objectspace.rb b/test/ruby/test_objectspace.rb
index 571c725986..24731a7a50 100644
--- a/test/ruby/test_objectspace.rb
+++ b/test/ruby/test_objectspace.rb
@@ -61,6 +61,7 @@ End
       ObjectSpace.define_finalizer(a) { p :ok }
       b = a.dup
       ObjectSpace.define_finalizer(a) { p :ok }
+      !b
     END
     assert_raise(ArgumentError) { ObjectSpace.define_finalizer([], Object.new) }
   end
diff --git a/test/ruby/test_rubyoptions.rb b/test/ruby/test_rubyoptions.rb
index 65e692ecc0..5befa465a3 100644
--- a/test/ruby/test_rubyoptions.rb
+++ b/test/ruby/test_rubyoptions.rb
@@ -182,7 +182,7 @@ class TestRubyOptions < Test::Unit::TestCase
   end
 
   def test_syntax_check
-    assert_in_out_err(%w(-c -e a=1+1), "", ["Syntax OK"], [])
+    assert_in_out_err(%w(-c -e a=1+1 -e !a), "", ["Syntax OK"], [])
   end
 
   def test_invalid_option
diff --git a/test/ruby/test_thread.rb b/test/ruby/test_thread.rb
index 3c10cce3c3..0322448c71 100644
--- a/test/ruby/test_thread.rb
+++ b/test/ruby/test_thread.rb
@@ -231,7 +231,7 @@ class TestThread < Test::Unit::TestCase
       t1 = Thread.new { sleep }
       Thread.pass
       t2 = Thread.new { loop { } }
-      t3 = Thread.new { }.join
+      Thread.new { }.join
       p [Thread.current, t1, t2].map{|t| t.object_id }.sort
       p Thread.list.map{|t| t.object_id }.sort
     INPUT
diff --git a/test/test_mathn.rb b/test/test_mathn.rb
index d36985378b..f511adb7d5 100644
--- a/test/test_mathn.rb
+++ b/test/test_mathn.rb
@@ -4,7 +4,7 @@ require_relative 'ruby/envutil'
 # mathn redefines too much. It must be isolated to child processes.
 class TestMathn < Test::Unit::TestCase
   def test_power
-    assert_in_out_err ['-r', 'mathn', '-e', 'a=1**2'], "", [], [], '[ruby-core:25740]'
-    assert_in_out_err ['-r', 'mathn', '-e', 'a=(1<<126)**2'], "", [], [], '[ruby-core:25740]'
+    assert_in_out_err ['-r', 'mathn', '-e', 'a=1**2;!a'], "", [], [], '[ruby-core:25740]'
+    assert_in_out_err ['-r', 'mathn', '-e', 'a=(1<<126)**2;!a'], "", [], [], '[ruby-core:25740]'
   end
 end