Deprecate taint/trust and related methods, and make the methods no-ops

This removes the related tests, and puts the related specs behind
version guards.  This affects all code in lib, including some
libraries that may want to support older versions of Ruby.

1 files changed, 15 insertions, 0 deletions

diff --git a/test/readline/test_readline.rb b/test/readline/test_readline.rb
index f87435498c..4e82d46d91 100644
--- a/test/readline/test_readline.rb
+++ b/test/readline/test_readline.rb
@@ -41,6 +41,21 @@ module BasetestReadline
       assert_equal("> ", stdout.read(2))
       assert_equal(1, Readline::HISTORY.length)
       assert_equal("hello", Readline::HISTORY[0])
+
+      # Work around lack of SecurityError in Reline
+      # test mode with tainted prompt
+      return if kind_of?(TestRelineAsReadline)
+
+      Thread.start {
+        $SAFE = 1
+        assert_raise(SecurityError) do
+          replace_stdio(stdin.path, stdout.path) do
+            Readline.readline("> ".taint)
+          end
+        end
+      }.join
+    ensure
+      $SAFE = 0
     end
   end