test_warnings.patch

diff --git a/test/expression/test_base.rb b/test/expression/test_base.rb
index 21d22d0..27b253f 100644
--- a/test/expression/test_base.rb
+++ b/test/expression/test_base.rb
@@ -65,7 +65,7 @@ class ExpressionBase < Test::Unit::TestCase
     assert_equal '@0+12', root.coded_offset
 
     # All top level offsets
-    checks = [
+    [
       [ '@0+1', '^'         ],
       [ '@1+2', 'a*'        ],
       [ '@3+8', '(b+(c?))'  ],
diff --git a/test/expression/test_conditionals.rb b/test/expression/test_conditionals.rb
index 508d89f..ced5c91 100644
--- a/test/expression/test_conditionals.rb
+++ b/test/expression/test_conditionals.rb
@@ -32,7 +32,6 @@ class ExpressionConditionals < Test::Unit::TestCase
   def test_expression_conditional_level_one
     condition = @cond_1.condition
     branch_1  = @cond_1.branches.first
-    branch_2  = @cond_1.branches.last
 
     # Condition
     assert_equal true,  is_conditional_condition?(condition)
diff --git a/test/lexer/test_conditionals.rb b/test/lexer/test_conditionals.rb
index ccb4afd..cc1c7d2 100644
--- a/test/lexer/test_conditionals.rb
+++ b/test/lexer/test_conditionals.rb
@@ -31,7 +31,7 @@ class LexerConditionals < Test::Unit::TestCase
     regexp = /((?<A>a)(?<B>(?(<A>)b|((?(<B>)[e-g]|[h-j])))))/
     tokens = RL.lex(regexp)
 
-    expected = [
+    [
       [ 0, :group,       :capture,          '(',       0,  1, 0, 0, 0],
       [ 1, :group,       :named,            '(?<A>',   1,  6, 1, 0, 0],
 
@@ -70,7 +70,7 @@ class LexerConditionals < Test::Unit::TestCase
     regexp = /(a(b(c)))(?(1)(?(2)(?(3)d|e))|(?(3)(?(2)f|g)|(?(1)f|g)))/
     tokens = RL.lex(regexp)
 
-    expected = [
+    [
       [ 9, :conditional, :open,       '(?',    9, 11, 0, 0, 0],
       [10, :conditional, :condition,  '(1)',  11, 14, 0, 0, 1],
 
diff --git a/test/parser/test_quantifiers.rb b/test/parser/test_quantifiers.rb
index 872bb9e..facf16f 100644
--- a/test/parser/test_quantifiers.rb
+++ b/test/parser/test_quantifiers.rb
@@ -46,7 +46,7 @@ class TestRegexpParserQuantifiers < Test::Unit::TestCase
     assert_equal true,          exp.quantified?
     assert_equal :zero_or_more, exp.quantifier.token
     assert_equal 0,             exp.quantifier.min
-    assert_equal -1,            exp.quantifier.max
+    assert_equal(-1,            exp.quantifier.max)
     assert_equal :greedy,       exp.quantifier.mode
   end
 
@@ -57,7 +57,7 @@ class TestRegexpParserQuantifiers < Test::Unit::TestCase
     assert_equal true,          exp.quantified?
     assert_equal :zero_or_more, exp.quantifier.token
     assert_equal 0,             exp.quantifier.min
-    assert_equal -1,            exp.quantifier.max
+    assert_equal(-1,            exp.quantifier.max)
     assert_equal :reluctant,    exp.quantifier.mode
     assert_equal true,          exp.reluctant?
   end
@@ -69,7 +69,7 @@ class TestRegexpParserQuantifiers < Test::Unit::TestCase
     assert_equal true,          exp.quantified?
     assert_equal :zero_or_more, exp.quantifier.token
     assert_equal 0,             exp.quantifier.min
-    assert_equal -1,            exp.quantifier.max
+    assert_equal(-1,            exp.quantifier.max)
     assert_equal :possessive,   exp.quantifier.mode
     assert_equal true,          exp.possessive?
   end
@@ -82,7 +82,7 @@ class TestRegexpParserQuantifiers < Test::Unit::TestCase
     assert_equal true,          exp.quantified?
     assert_equal :one_or_more,  exp.quantifier.token
     assert_equal 1,             exp.quantifier.min
-    assert_equal -1,            exp.quantifier.max
+    assert_equal(-1,            exp.quantifier.max)
     assert_equal :greedy,       exp.quantifier.mode
   end
 
@@ -93,7 +93,7 @@ class TestRegexpParserQuantifiers < Test::Unit::TestCase
     assert_equal true,          exp.quantified?
     assert_equal :one_or_more,  exp.quantifier.token
     assert_equal 1,             exp.quantifier.min
-    assert_equal -1,            exp.quantifier.max
+    assert_equal(-1,            exp.quantifier.max)
     assert_equal :reluctant,    exp.quantifier.mode
     assert_equal true,          exp.reluctant?
   end
@@ -105,7 +105,7 @@ class TestRegexpParserQuantifiers < Test::Unit::TestCase
     assert_equal true,          exp.quantified?
     assert_equal :one_or_more,  exp.quantifier.token
     assert_equal 1,             exp.quantifier.min
-    assert_equal -1,            exp.quantifier.max
+    assert_equal(-1,            exp.quantifier.max)
     assert_equal :possessive,   exp.quantifier.mode
     assert_equal true,          exp.possessive?
   end
@@ -154,7 +154,7 @@ class TestRegexpParserQuantifiers < Test::Unit::TestCase
     assert_equal true,      exp.quantified?
     assert_equal :interval, exp.quantifier.token
     assert_equal 2,         exp.quantifier.min
-    assert_equal -1,        exp.quantifier.max
+    assert_equal(-1,        exp.quantifier.max)
     assert_equal :greedy,   exp.quantifier.mode
   end
 
@@ -166,7 +166,7 @@ class TestRegexpParserQuantifiers < Test::Unit::TestCase
     assert_equal :interval,   exp.quantifier.token
     assert_equal '{2,}?',     exp.quantifier.text
     assert_equal 2,           exp.quantifier.min
-    assert_equal -1,          exp.quantifier.max
+    assert_equal(-1,          exp.quantifier.max)
     assert_equal :reluctant,  exp.quantifier.mode
     assert_equal true,        exp.reluctant?
   end
@@ -179,7 +179,7 @@ class TestRegexpParserQuantifiers < Test::Unit::TestCase
     assert_equal :interval,   exp.quantifier.token
     assert_equal '{3,}+',     exp.quantifier.text
     assert_equal 3,           exp.quantifier.min
-    assert_equal -1,          exp.quantifier.max
+    assert_equal(-1,          exp.quantifier.max)
     assert_equal :possessive, exp.quantifier.mode
     assert_equal true,        exp.possessive?
   end
diff --git a/test/parser/test_sets.rb b/test/parser/test_sets.rb
index 7a68965..9b60e60 100644
--- a/test/parser/test_sets.rb
+++ b/test/parser/test_sets.rb
@@ -11,7 +11,7 @@ class TestParserSets < Test::Unit::TestCase
 
     assert_equal true,  exp.quantified?
     assert_equal 1,     exp.quantifier.min
-    assert_equal -1,    exp.quantifier.max
+    assert_equal(-1,    exp.quantifier.max)
   end
 
   def test_parse_set_posix_class
diff --git a/test/scanner/test_escapes.rb b/test/scanner/test_escapes.rb
index 753690a..2c9d962 100644
--- a/test/scanner/test_escapes.rb
+++ b/test/scanner/test_escapes.rb
@@ -13,7 +13,7 @@ class ScannerEscapes < Test::Unit::TestCase
     /c\tt/            => [1, :escape,  :tab,              '\t',             1,  3],
     /c\vt/            => [1, :escape,  :vertical_tab,     '\v',             1,  3],
 
-    /c\qt/            => [1, :escape,  :literal,          '\q',             1,  3],
+    'c\qt'            => [1, :escape,  :literal,          '\q',             1,  3],
 
     'a\012c'          => [1, :escape,  :octal,            '\012',           1,  5],
     'a\0124'          => [1, :escape,  :octal,            '\012',           1,  5],
diff --git a/test/syntax/ruby/test_1.9.3.rb b/test/syntax/ruby/test_1.9.3.rb
index 4d73153..b858893 100644
--- a/test/syntax/ruby/test_1.9.3.rb
+++ b/test/syntax/ruby/test_1.9.3.rb
@@ -20,8 +20,6 @@ class TestSyntaxRuby_V193 < Test::Unit::TestCase
   }
 
   tests.each do |method, types|
-    expected = method == :excludes ? false : true
-
     types.each do |type, tokens|
       tokens.each do |token|
         define_method "test_syntax_ruby_v193_#{method}_#{type}_#{token}" do