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/marshal/dump_spec.rb b/spec/ruby/core/marshal/dump_spec.rb
index 700f090a2f..3a7a083dd8 100644
--- a/spec/ruby/core/marshal/dump_spec.rb
+++ b/spec/ruby/core/marshal/dump_spec.rb
@@ -581,27 +581,29 @@ describe "Marshal.dump" do
     -> { Marshal.dump(m) }.should raise_error(TypeError)
   end
 
-  it "returns an untainted string if object is untainted" do
-    Marshal.dump(Object.new).tainted?.should be_false
-  end
+  ruby_version_is ''...'2.7' do
+    it "returns an untainted string if object is untainted" do
+      Marshal.dump(Object.new).tainted?.should be_false
+    end
 
-  it "returns a tainted string if object is tainted" do
-    Marshal.dump(Object.new.taint).tainted?.should be_true
-  end
+    it "returns a tainted string if object is tainted" do
+      Marshal.dump(Object.new.taint).tainted?.should be_true
+    end
 
-  it "returns a tainted string if nested object is tainted" do
-    Marshal.dump([[Object.new.taint]]).tainted?.should be_true
-  end
+    it "returns a tainted string if nested object is tainted" do
+      Marshal.dump([[Object.new.taint]]).tainted?.should be_true
+    end
 
-  it "returns a trusted string if object is trusted" do
-    Marshal.dump(Object.new).untrusted?.should be_false
-  end
+    it "returns a trusted string if object is trusted" do
+      Marshal.dump(Object.new).untrusted?.should be_false
+    end
 
-  it "returns an untrusted string if object is untrusted" do
-    Marshal.dump(Object.new.untrust).untrusted?.should be_true
-  end
+    it "returns an untrusted string if object is untrusted" do
+      Marshal.dump(Object.new.untrust).untrusted?.should be_true
+    end
 
-  it "returns an untrusted string if nested object is untrusted" do
-    Marshal.dump([[Object.new.untrust]]).untrusted?.should be_true
+    it "returns an untrusted string if nested object is untrusted" do
+      Marshal.dump([[Object.new.untrust]]).untrusted?.should be_true
+    end
   end
 end