From 0827c3848a771748a60cc6a7a08889eb8503b9f5 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 5 Mar 2012 16:17:29 +0000
Subject: assert_valid_syntax

* test/ruby/test_syntax.rb (assert_valid_syntax): new assertion to
  validate syntax.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@34910 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_syntax.rb | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

(limited to 'test/ruby')

diff --git a/test/ruby/test_syntax.rb b/test/ruby/test_syntax.rb
index 8afb2b7837..fde8dca308 100644
--- a/test/ruby/test_syntax.rb
+++ b/test/ruby/test_syntax.rb
@@ -1,21 +1,24 @@
 require 'test/unit'
 
 class TestSyntax < Test::Unit::TestCase
-  def valid_syntax?(code, fname)
+  def assert_valid_syntax(code, fname, mesg = fname)
     code = code.dup.force_encoding("ascii-8bit")
     code.sub!(/\A(?:\xef\xbb\xbf)?(\s*\#.*$)*(\n)?/n) {
       "#$&#{"\n" if $1 && !$2}BEGIN{throw tag, :ok}\n"
     }
     code.force_encoding("us-ascii")
-    catch {|tag| eval(code, binding, fname, 0)}
-  rescue SyntaxError
-    false
+    verbose, $VERBOSE = $VERBOSE, nil
+    assert_nothing_raised(SyntaxError, mesg) do
+      assert_equal(:ok, catch {|tag| eval(code, binding, fname, 0)}, mesg)
+    end
+  ensure
+    $VERBOSE = verbose
   end
 
   def test_syntax
     assert_nothing_raised(Exception) do
       for script in Dir[File.expand_path("../../../{lib,sample,ext,test}/**/*.rb", __FILE__)].sort
-        assert(valid_syntax?(IO::read(script), script), script)
+        assert_valid_syntax(IO::read(script), script)
       end
     end
   end
@@ -56,9 +59,7 @@ class TestSyntax < Test::Unit::TestCase
     bug = '[ruby-dev:45292]'
     ["", "a", "a, b"].product(["", ";x", [";", "x"]]) do |params|
       params = ["|", *params, "|"].join("\n")
-      assert_nothing_raised(SyntaxError, NameError, "#{bug} #{params.inspect}") do
-        eval("1.times{#{params}}")
-      end
+      assert_valid_syntax("1.times{#{params}}", __FILE__, "#{bug} #{params.inspect}")
     end
   end
 
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