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, 19 insertions, 17 deletions

diff --git a/spec/ruby/core/array/delete_spec.rb b/spec/ruby/core/array/delete_spec.rb
index c55f4ad672..41e211e660 100644
--- a/spec/ruby/core/array/delete_spec.rb
+++ b/spec/ruby/core/array/delete_spec.rb
@@ -44,23 +44,25 @@ describe "Array#delete" do
     -> { [1, 2, 3].freeze.delete(1) }.should raise_error(frozen_error_class)
   end
 
-  it "keeps tainted status" do
-    a = [1, 2]
-    a.taint
-    a.tainted?.should be_true
-    a.delete(2)
-    a.tainted?.should be_true
-    a.delete(1) # now empty
-    a.tainted?.should be_true
-  end
+  ruby_version_is ''...'2.7' do
+    it "keeps tainted status" do
+      a = [1, 2]
+      a.taint
+      a.tainted?.should be_true
+      a.delete(2)
+      a.tainted?.should be_true
+      a.delete(1) # now empty
+      a.tainted?.should be_true
+    end
 
-  it "keeps untrusted status" do
-    a = [1, 2]
-    a.untrust
-    a.untrusted?.should be_true
-    a.delete(2)
-    a.untrusted?.should be_true
-    a.delete(1) # now empty
-    a.untrusted?.should be_true
+    it "keeps untrusted status" do
+      a = [1, 2]
+      a.untrust
+      a.untrusted?.should be_true
+      a.delete(2)
+      a.untrusted?.should be_true
+      a.delete(1) # now empty
+      a.untrusted?.should be_true
+    end
   end
 end