test_parser_events.rb: results of list literals

* test/ripper/test_parser_events.rb (test_qwords_add),
  (test_qsymbols_add, test_symbols_add, test_words_add): more
  assertions for results of list literals.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60891 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/ripper/dummyparser.rb

@@ -24,6 +24,16 @@ class Node
     end
     list
   end
+
+  class Sym < self
+    def initialize(name)
+      @name = name
+    end
+
+    def to_s
+      ":#{@name}"
+    end
+  end
 end
 
 class NodeList
@@ -218,6 +228,22 @@ class DummyParser < Ripper
     words.push word
   end
 
+  def on_symbols_new
+    NodeList.new
+  end
+
+  def on_symbols_add(symbols, symbol)
+    symbols.push Node::Sym.new(symbol)
+  end
+
+  def on_qsymbols_new
+    NodeList.new
+  end
+
+  def on_qsymbols_add(symbols, symbol)
+    symbols.push Node::Sym.new(symbol)
+  end
+
   def on_mlhs_new
     NodeList.new
   end

test/ripper/test_parser_events.rb

@@ -1014,20 +1014,23 @@ class TestRipper::ParserEvents < Test::Unit::TestCase
 
   def test_qwords_add
     thru_qwords_add = false
-    parse('%w[a]', :on_qwords_add) {thru_qwords_add = true}
+    tree = parse('%w[a]', :on_qwords_add) {thru_qwords_add = true}
     assert_equal true, thru_qwords_add
+    assert_equal '[array([a])]', tree
   end
 
   def test_qsymbols_add
     thru_qsymbols_add = false
-    parse('%i[a]', :on_qsymbols_add) {thru_qsymbols_add = true}
+    tree = parse('%i[a]', :on_qsymbols_add) {thru_qsymbols_add = true}
     assert_equal true, thru_qsymbols_add
+    assert_equal '[array([:a])]', tree
   end
 
   def test_symbols_add
     thru_symbols_add = false
-    parse('%I[a]', :on_symbols_add) {thru_symbols_add = true}
+    tree = parse('%I[a]', :on_symbols_add) {thru_symbols_add = true}
     assert_equal true, thru_symbols_add
+    assert_equal '[array([:a])]', tree
   end
 
   def test_qwords_new
@@ -1377,8 +1380,9 @@ class TestRipper::ParserEvents < Test::Unit::TestCase
 
   def test_words_add
     thru_words_add = false
-    parse('%W[a]', :on_words_add) {thru_words_add = true}
+    tree = parse('%W[a]', :on_words_add) {thru_words_add = true}
     assert_equal true, thru_words_add
+    assert_equal '[array([a])]', tree
   end
 
   def test_words_new