Suppress void context warnings in verbose mode

test/ruby/test_ast.rb

@@ -130,6 +130,12 @@ class TestAst < Test::Unit::TestCase
     end
   end
 
+  private def parse(src)
+    EnvUtil.suppress_warning {
+      RubyVM::AbstractSyntaxTree.parse(src)
+    }
+  end
+
   def test_allocate
     assert_raise(TypeError) {RubyVM::AbstractSyntaxTree::Node.allocate}
   end
@@ -144,19 +150,19 @@ class TestAst < Test::Unit::TestCase
 
   def test_column_with_long_heredoc_identifier
     term = "A"*257
-    ast = RubyVM::AbstractSyntaxTree.parse("<<-#{term}\n""ddddddd\n#{term}\n")
+    ast = parse("<<-#{term}\n""ddddddd\n#{term}\n")
     node = ast.children[2]
     assert_equal(:STR, node.type)
     assert_equal(0, node.first_column)
   end
 
   def test_column_of_heredoc
-    node = RubyVM::AbstractSyntaxTree.parse("<<-SRC\nddddddd\nSRC\n").children[2]
+    node = parse("<<-SRC\nddddddd\nSRC\n").children[2]
     assert_equal(:STR, node.type)
     assert_equal(0, node.first_column)
     assert_equal(6, node.last_column)
 
-    node = RubyVM::AbstractSyntaxTree.parse("<<SRC\nddddddd\nSRC\n").children[2]
+    node = parse("<<SRC\nddddddd\nSRC\n").children[2]
     assert_equal(:STR, node.type)
     assert_equal(0, node.first_column)
     assert_equal(5, node.last_column)
@@ -268,7 +274,7 @@ class TestAst < Test::Unit::TestCase
   end
 
   def test_dstr
-    node = RubyVM::AbstractSyntaxTree.parse('"foo#{1}bar"')
+    node = parse('"foo#{1}bar"')
     _, _, body = *node.children
     assert_equal(:DSTR, body.type)
     head, body = body.children

test/ruby/test_require.rb

@@ -256,8 +256,8 @@ class TestRequire < Test::Unit::TestCase
   def assert_syntax_error_backtrace
     Dir.mktmpdir do |tmp|
       req = File.join(tmp, "test.rb")
-      File.write(req, "'\n")
-      e = assert_raise_with_message(SyntaxError, /unterminated/) {
+      File.write(req, ",\n")
+      e = assert_raise_with_message(SyntaxError, /unexpected/) {
         yield req
       }
       assert_not_nil(bt = e.backtrace)

test/test_pp.rb

@@ -196,9 +196,9 @@ end
 
 class PPAbstractSyntaxTree < Test::Unit::TestCase
   AST = RubyVM::AbstractSyntaxTree
-  def test_literal
-    ast = AST.parse("1")
-    expected = "(SCOPE@1:0-1:1 tbl: [] args: nil body: (LIT@1:0-1:1 1))"
+  def test_lasgn_literal
+    ast = AST.parse("_=1")
+    expected = "(SCOPE@1:0-1:3 tbl: [:_] args: nil body: (LASGN@1:0-1:3 :_ (LIT@1:2-1:3 1)))"
     assert_equal(expected, PP.singleline_pp(ast, ''.dup), ast)
   end
 end