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, 9 insertions, 7 deletions

diff --git a/spec/ruby/core/string/shared/chars.rb b/spec/ruby/core/string/shared/chars.rb
index c8716521bd..9c7a4deb8b 100644
--- a/spec/ruby/core/string/shared/chars.rb
+++ b/spec/ruby/core/string/shared/chars.rb
@@ -64,15 +64,17 @@ describe :string_chars, shared: true do
     ]
   end
 
-  it "taints resulting strings when self is tainted" do
-    str = "hello"
+  ruby_version_is ''...'2.7' do
+    it "taints resulting strings when self is tainted" do
+      str = "hello"
 
-    str.send(@method) do |x|
-      x.tainted?.should == false
-    end
+      str.send(@method) do |x|
+        x.tainted?.should == false
+      end
 
-    str.dup.taint.send(@method) do |x|
-      x.tainted?.should == true
+      str.dup.taint.send(@method) do |x|
+        x.tainted?.should == true
+      end
     end
   end
 end