test_parser_events.rb: split test_binary

* test/ripper/test_parser_events.rb (test_binary): split for each
  operators.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48151 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/ripper/test_parser_events.rb

@@ -9,13 +9,10 @@ end
 
 class TestRipper::ParserEvents < Test::Unit::TestCase
 
-  # should be enabled
   def test_event_coverage
-    dispatched = Ripper::PARSER_EVENTS.map {|event,*| event }
-    dispatched.each do |e|
-      assert_equal true, respond_to?("test_#{e}", true),
-                   "event not tested: #{e.inspect}"
-    end
+    dispatched = Ripper::PARSER_EVENTS
+    tested = self.class.instance_methods(false).grep(/\Atest_(\w+)/) {$1.intern}
+    assert_empty dispatched-tested
   end
 
   def parse(str, nm = nil, &bl)
@@ -249,9 +246,8 @@ class TestRipper::ParserEvents < Test::Unit::TestCase
     assert_equal true, thru_begin
   end
 
-  def test_binary
-    thru_binary = nil
-    %w"and or + - * / % ** | ^ & <=> > >= < <= == === != =~ !~ << >> && ||".each do |op|
+  %w"and or + - * / % ** | ^ & <=> > >= < <= == === != =~ !~ << >> && ||".each do |op|
+    define_method("test_binary(#{op})") do
       thru_binary = false
       parse("a #{op} b", :on_binary) {thru_binary = true}
       assert_equal true, thru_binary